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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-03-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-04T01:45+08:00","end_at":"2026-11-04T01:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-03-3","kind":"exposure","target_id":"m33","target_name":"M33 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-03-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-04T03:10+08:00","end_at":"2026-11-04T06:45+08:00","latest_exposure_start_at":"2026-11-04T06:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":43.84,"maximum_moon_altitude_deg":35.99,"maximum_sun_altitude_deg":-21.18,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-03-6","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-04T06:45+08:00","end_at":"2026-11-04T07:02+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-03","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-03.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-03.json"},"altitude_plot":{"anchor_at":"2026-11-03T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.15,33.52,50.28,39.0,23.23,-33.48,-13.14],[5,73.29,34.41,50.96,39.56,23.13,-33.86,-14.04],[10,73.39,35.3,51.65,40.12,23.04,-34.22,-14.94],[15,73.46,36.19,52.33,40.68,22.95,-34.56,-15.84],[20,73.49,37.08,53.02,41.25,22.88,-34.88,-16.74],[25,73.49,37.98,53.71,41.82,22.81,-35.18,-17.64],[30,73.46,38.88,54.39,42.39,22.75,-35.46,-18.55],[35,73.39,39.78,55.08,42.97,22.69,-35.73,-19.45],[40,73.28,40.68,55.77,43.54,22.65,-35.97,-20.36],[45,73.14,41.58,56.46,44.12,22.61,-36.19,-21.26],[50,72.97,42.48,57.14,44.71,22.58,-36.39,-22.17],[55,72.77,43.39,57.83,45.29,22.55,-36.56,-23.08],[60,72.54,44.29,58.52,45.88,22.54,-36.72,-23.98],[65,72.28,45.2,59.2,46.47,22.53,-36.85,-24.89],[70,71.99,46.11,59.89,47.06,22.53,-36.97,-25.79],[75,71.67,47.02,60.57,47.65,22.54,-37.06,-26.69],[80,71.33,47.92,61.25,48.24,22.55,-37.12,-27.6],[85,70.96,48.83,61.92,48.83,22.58,-37.17,-28.5],[90,70.58,49.74,62.6,49.43,22.61,-37.19,-29.4],[95,70.17,50.65,63.27,50.02,22.65,-37.19,-30.3],[100,69.74,51.55,63.94,50.62,22.69,-37.17,-31.19],[105,69.3,52.46,64.6,51.22,22.75,-37.12,-32.09],[110,68.84,53.36,65.26,51.81,22.81,-37.06,-32.98],[115,68.36,54.26,65.91,52.41,22.88,-36.97,-33.87],[120,67.87,55.17,66.56,53.01,22.96,-36.86,-34.75],[125,67.37,56.06,67.2,53.6,23.04,-36.72,-35.64],[130,66.85,56.96,67.83,54.2,23.13,-36.57,-36.51],[135,66.32,57.85,68.45,54.79,23.23,-36.39,-37.39],[140,65.78,58.74,69.07,55.38,23.34,-36.19,-38.26],[145,65.23,59.63,69.67,55.98,23.45,-35.98,-39.12],[150,64.68,60.51,70.26,56.57,23.58,-35.74,-39.98],[155,64.11,61.39,70.84,57.15,23.7,-35.47,-40.83],[160,63.54,62.26,71.41,57.74,23.84,-35.19,-41.68],[165,62.96,63.13,71.95,58.32,23.99,-34.89,-42.52],[170,62.38,63.98,72.49,58.9,24.14,-34.57,-43.36],[175,61.79,64.83,73.0,59.47,24.3,-34.23,-44.18],[180,61.19,65.67,73.49,60.04,24.46,-33.87,-45.0],[185,60.59,66.5,73.96,60.61,24.63,-33.5,-45.81],[190,59.99,67.32,74.4,61.17,24.81,-33.1,-46.61],[195,59.38,68.13,74.81,61.72,25.0,-32.69,-47.4],[200,58.77,68.92,75.19,62.27,25.2,-32.26,-48.18],[205,58.16,69.7,75.54,62.82,25.4,-31.81,-48.94],[210,57.54,70.45,75.86,63.35,25.6,-31.35,-49.7],[215,56.92,71.19,76.13,63.88,25.82,-30.87,-50.44],[220,56.3,71.9,76.37,64.4,26.04,-30.37,-51.17],[225,55.68,72.59,76.56,64.91,26.27,-29.86,-51.88],[230,55.06,73.24,76.71,65.41,26.5,-29.34,-52.58],[235,54.43,73.86,76.82,65.91,26.74,-28.8,-53.26],[240,53.81,74.45,76.87,66.38,26.99,-28.24,-53.93],[245,53.19,74.99,76.88,66.85,27.25,-27.67,-54.57],[250,52.56,75.48,76.84,67.31,27.51,-27.09,-55.2],[255,51.94,75.92,76.75,67.74,27.77,-26.5,-55.8],[260,51.31,76.31,76.62,68.17,28.05,-25.89,-56.38],[265,50.69,76.63,76.44,68.58,28.32,-25.27,-56.94],[270,50.06,76.88,76.21,68.97,28.61,-24.64,-57.47],[275,49.44,77.06,75.95,69.34,28.9,-24.0,-57.98],[280,48.82,77.17,75.65,69.69,29.2,-23.35,-58.46],[285,48.2,77.2,75.31,70.03,29.5,-22.69,-58.91],[290,47.58,77.16,74.94,70.34,29.81,-22.01,-59.33],[295,46.96,77.04,74.53,70.63,30.12,-21.33,-59.72],[300,46.35,76.84,74.1,70.89,30.44,-20.64,-60.07],[305,45.74,76.58,73.64,71.13,30.77,-19.93,-60.39],[310,45.12,76.24,73.16,71.34,31.1,-19.22,-60.68],[315,44.51,75.85,72.65,71.53,31.43,-18.5,-60.93],[320,43.91,75.4,72.13,71.68,31.77,-17.78,-61.15],[325,43.3,74.89,71.58,71.81,32.12,-17.04,-61.32],[330,42.7,74.34,71.02,71.91,32.47,-16.3,-61.46],[335,42.1,73.75,70.45,71.98,32.82,-15.55,-61.55],[340,41.51,73.13,69.86,72.02,33.18,-14.79,-61.61],[345,40.91,72.46,69.26,72.03,33.55,-14.02,-61.63],[350,40.32,71.77,68.65,72.0,33.92,-13.25,-61.61],[355,39.74,71.06,68.03,71.95,34.29,-12.47,-61.54],[360,39.16,70.32,67.4,71.87,34.67,-11.69,-61.44],[365,38.58,69.56,66.76,71.75,35.05,-10.9,-61.3],[370,38.0,68.78,66.12,71.61,35.44,-10.11,-61.12],[375,37.43,67.98,65.47,71.44,35.83,-9.3,-60.9],[380,36.86,67.18,64.81,71.24,36.22,-8.5,-60.65],[385,36.3,66.35,64.15,71.02,36.62,-7.69,-60.35],[390,35.74,65.52,63.48,70.77,37.02,-6.87,-60.03],[395,35.18,64.68,62.81,70.49,37.42,-6.05,-59.67],[400,34.63,63.83,62.14,70.19,37.83,-5.23,-59.28],[405,34.09,62.97,61.46,69.87,38.25,-4.4,-58.85],[410,33.55,62.1,60.78,69.53,38.66,-3.57,-58.4],[415,33.01,61.23,60.1,69.16,39.08,-2.74,-57.91],[420,32.48,60.35,59.42,68.78,39.5,-1.9,-57.4],[425,31.95,59.47,58.74,68.38,39.92,-1.06,-56.87],[430,31.43,58.58,58.05,67.97,40.35,-0.21,-56.31],[435,30.92,57.69,57.36,67.53,40.78,0.64,-55.72],[440,30.41,56.8,56.68,67.09,41.21,1.49,-55.12],[445,29.9,55.9,55.99,66.63,41.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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-04-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-04T20:35+08:00","end_at":"2026-11-05T01:40+08:00","latest_exposure_start_at":"2026-11-05T01:25+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":17,"exposure_hours":4.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.04,"maximum_moon_altitude_deg":-26.36,"maximum_sun_altitude_deg":-19.66,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-04-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-05T01:40+08:00","end_at":"2026-11-05T01:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-04-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-05T01:50+08:00","end_at":"2026-11-05T04:10+08:00","latest_exposure_start_at":"2026-11-05T04:05+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":23,"exposure_hours":1.916667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":47.04,"maximum_moon_altitude_deg":-2.04,"maximum_sun_altitude_deg":-48.32,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-04-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-05T04:10+08:00","end_at":"2026-11-05T04:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-04-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-05T04:20+08:00","end_at":"2026-11-05T06:45+08:00","latest_exposure_start_at":"2026-11-05T06:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":8,"exposure_hours":2.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":43.39,"maximum_moon_altitude_deg":24.17,"maximum_sun_altitude_deg":-21.39,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-04-6","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-05T06:45+08:00","end_at":"2026-11-05T07:03+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-04","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-04.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-04.json"},"altitude_plot":{"anchor_at":"2026-11-04T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.26,34.22,50.82,39.44,23.15,-34.71,-13.35],[5,73.37,35.11,51.5,40.0,23.06,-35.28,-14.25],[10,73.45,36.0,52.19,40.56,22.97,-35.84,-15.14],[15,73.49,36.89,52.87,41.13,22.89,-36.38,-16.04],[20,73.5,37.79,53.56,41.7,22.82,-36.9,-16.94],[25,73.47,38.68,54.25,42.27,22.76,-37.41,-17.85],[30,73.4,39.58,54.93,42.84,22.7,-37.9,-18.75],[35,73.31,40.48,55.62,43.42,22.66,-38.37,-19.66],[40,73.18,41.39,56.31,44.0,22.62,-38.83,-20.56],[45,73.01,42.29,57.0,44.58,22.58,-39.26,-21.47],[50,72.82,43.2,57.68,45.17,22.56,-39.68,-22.37],[55,72.59,44.1,58.37,45.75,22.54,-40.08,-23.28],[60,72.33,45.01,59.06,46.34,22.53,-40.45,-24.18],[65,72.05,45.91,59.74,46.93,22.53,-40.81,-25.09],[70,71.74,46.82,60.42,47.52,22.54,-41.14,-25.99],[75,71.4,47.73,61.1,48.11,22.55,-41.45,-26.9],[80,71.04,48.64,61.78,48.71,22.57,-41.74,-27.8],[85,70.66,49.54,62.46,49.3,22.6,-42.01,-28.7],[90,70.26,50.45,63.13,49.9,22.64,-42.26,-29.6],[95,69.84,51.36,63.8,50.49,22.68,-42.48,-30.5],[100,69.4,52.26,64.46,51.09,22.74,-42.68,-31.4],[105,68.94,53.17,65.12,51.69,22.8,-42.85,-32.29],[110,68.46,54.07,65.77,52.28,22.86,-43.0,-33.19],[115,67.98,54.97,66.42,52.88,22.94,-43.13,-34.08],[120,67.47,55.87,67.06,53.48,23.02,-43.23,-34.96],[125,66.96,56.77,67.7,54.07,23.11,-43.31,-35.84],[130,66.43,57.66,68.32,54.67,23.21,-43.36,-36.72],[135,65.9,58.55,68.94,55.26,23.31,-43.39,-37.6],[140,65.35,59.44,69.54,55.85,23.43,-43.39,-38.47],[145,64.8,60.32,70.14,56.44,23.55,-43.37,-39.33],[150,64.23,61.2,70.72,57.03,23.68,-43.32,-40.2],[155,63.66,62.07,71.29,57.61,23.81,-43.25,-41.05],[160,63.09,62.94,71.84,58.19,23.95,-43.15,-41.9],[165,62.5,63.8,72.37,58.77,24.1,-43.03,-42.74],[170,61.91,64.65,72.89,59.35,24.26,-42.88,-43.58],[175,61.32,65.5,73.39,59.92,24.43,-42.71,-44.41],[180,60.72,66.33,73.86,60.49,24.6,-42.52,-45.22],[185,60.12,67.15,74.3,61.05,24.78,-42.3,-46.04],[190,59.51,67.96,74.72,61.61,24.96,-42.06,-46.84],[195,58.9,68.75,75.11,62.16,25.15,-41.8,-47.63],[200,58.29,69.53,75.47,62.7,25.35,-41.51,-48.41],[205,57.67,70.29,75.79,63.24,25.56,-41.2,-49.18],[210,57.05,71.03,76.08,63.77,25.77,-40.87,-49.94],[215,56.43,71.75,76.32,64.29,25.99,-40.52,-50.68],[220,55.81,72.44,76.53,64.81,26.22,-40.15,-51.41],[225,55.19,73.11,76.69,65.31,26.45,-39.76,-52.13],[230,54.57,73.73,76.8,65.8,26.69,-39.35,-52.83],[235,53.94,74.33,76.86,66.28,26.94,-38.92,-53.52],[240,53.32,74.88,76.88,66.75,27.19,-38.47,-54.18],[245,52.69,75.38,76.85,67.21,27.45,-38.01,-54.83],[250,52.07,75.83,76.77,67.65,27.72,-37.52,-55.46],[255,51.44,76.23,76.65,68.08,27.99,-37.02,-56.07],[260,50.82,76.57,76.48,68.49,28.26,-36.5,-56.65],[265,50.2,76.83,76.27,68.89,28.55,-35.97,-57.21],[270,49.57,77.03,76.01,69.26,28.84,-35.42,-57.75],[275,48.95,77.16,75.72,69.62,29.13,-34.85,-58.26],[280,48.33,77.2,75.38,69.96,29.43,-34.28,-58.74],[285,47.71,77.17,75.02,70.27,29.74,-33.68,-59.19],[290,47.1,77.07,74.62,70.57,30.05,-33.08,-59.62],[295,46.48,76.89,74.19,70.84,30.37,-32.46,-60.01],[300,45.87,76.64,73.74,71.08,30.7,-31.82,-60.37],[305,45.25,76.32,73.26,71.3,31.02,-31.18,-60.69],[310,44.64,75.94,72.76,71.49,31.36,-30.52,-60.98],[315,44.04,75.5,72.24,71.65,31.7,-29.85,-61.23],[320,43.43,75.01,71.7,71.79,32.04,-29.18,-61.45],[325,42.83,74.47,71.14,71.89,32.39,-28.49,-61.63],[330,42.23,73.88,70.57,71.97,32.75,-27.79,-61.76],[335,41.63,73.26,69.99,72.01,33.1,-27.08,-61.86],[340,41.04,72.61,69.39,72.03,33.47,-26.36,-61.92],[345,40.45,71.92,68.78,72.01,33.84,-25.63,-61.94],[350,39.86,71.21,68.16,71.96,34.21,-24.9,-61.91],[355,39.28,70.48,67.54,71.89,34.59,-24.16,-61.85],[360,38.7,69.72,66.9,71.78,34.97,-23.4,-61.75],[365,38.12,68.95,66.26,71.64,35.35,-22.65,-61.61],[370,37.55,68.16,65.61,71.48,35.74,-21.88,-61.42],[375,36.98,67.35,64.95,71.29,36.14,-21.11,-61.2],[380,36.42,66.53,64.29,71.07,36.53,-20.33,-60.95],[385,35.86,65.7,63.63,70.82,36.93,-19.54,-60.65],[390,35.3,64.86,62.96,70.55,37.34,-18.75,-60.32],[395,34.75,64.01,62.28,70.26,37.75,-17.95,-59.96],[400,34.2,63.15,61.61,69.94,38.16,-17.15,-59.57],[405,33.66,62.29,60.93,69.6,38.57,-16.34,-59.14],[410,33.12,61.42,60.25,69.24,38.99,-15.53,-58.68],[415,32.59,60.54,59.57,68.87,39.41,-14.71,-58.2],[420,32.06,59.66,58.88,68.47,39.83,-13.89,-57.68],[425,31.54,58.77,58.2,68.06,40.26,-13.06,-57.14],[430,31.03,57.88,57.51,67.63,40.69,-12.23,-56.58],[435,30.51,56.99,56.82,67.18,41.12,-11.4,-55.99],[440,30.01,56.09,56.14,66.73,41.55,-10.56,-55.38],[445,29.51,55.1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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-05-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-05T20:30+08:00","end_at":"2026-11-06T01:35+08:00","latest_exposure_start_at":"2026-11-06T01:20+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":17,"exposure_hours":4.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.17,"maximum_moon_altitude_deg":-38.19,"maximum_sun_altitude_deg":-18.95,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-05-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-06T01:35+08:00","end_at":"2026-11-06T01:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-05-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-06T01:45+08:00","end_at":"2026-11-06T04:35+08:00","latest_exposure_start_at":"2026-11-06T04:30+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.8,"maximum_moon_altitude_deg":-9.63,"maximum_sun_altitude_deg":-44.54,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-05-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-06T04:35+08:00","end_at":"2026-11-06T04:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-05-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-06T04:45+08:00","end_at":"2026-11-06T05:20+08:00","latest_exposure_start_at":"2026-11-06T05:05+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":1,"exposure_hours":0.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":52.97,"maximum_moon_altitude_deg":-1.87,"maximum_sun_altitude_deg":-36.84,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-05-6","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-06T05:20+08:00","end_at":"2026-11-06T05:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-05-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-06T05:25+08:00","end_at":"2026-11-06T06:45+08:00","latest_exposure_start_at":"2026-11-06T06:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":42.94,"maximum_moon_altitude_deg":12.45,"maximum_sun_altitude_deg":-21.59,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-05-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-06T06:45+08:00","end_at":"2026-11-06T07:04+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-05","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-05.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-05.json"},"altitude_plot":{"anchor_at":"2026-11-05T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.35,34.92,51.36,39.88,23.08,-34.19,-13.55],[5,73.44,35.81,52.04,40.44,22.99,-34.91,-14.44],[10,73.48,36.7,52.73,41.01,22.91,-35.62,-15.34],[15,73.5,37.6,53.41,41.58,22.84,-36.33,-16.24],[20,73.48,38.49,54.1,42.15,22.77,-37.02,-17.14],[25,73.42,39.39,54.79,42.72,22.72,-37.7,-18.04],[30,73.33,40.29,55.48,43.3,22.67,-38.37,-18.95],[35,73.21,41.19,56.16,43.88,22.62,-39.02,-19.85],[40,73.05,42.1,56.85,44.46,22.59,-39.66,-20.76],[45,72.86,43.0,57.54,45.04,22.56,-40.29,-21.66],[50,72.64,43.91,58.22,45.63,22.54,-40.9,-22.57],[55,72.39,44.81,58.91,46.21,22.53,-41.49,-23.47],[60,72.11,45.72,59.59,46.8,22.53,-42.07,-24.38],[65,71.81,46.63,60.28,47.39,22.53,-42.64,-25.29],[70,71.48,47.54,60.96,47.99,22.55,-43.18,-26.19],[75,71.12,48.44,61.64,48.58,22.57,-43.71,-27.09],[80,70.74,49.35,62.31,49.17,22.59,-44.22,-28.0],[85,70.35,50.26,62.98,49.77,22.63,-44.71,-28.9],[90,69.93,51.16,63.65,50.37,22.67,-45.19,-29.8],[95,69.49,52.07,64.32,50.96,22.72,-45.64,-30.7],[100,69.04,52.98,64.98,51.56,22.78,-46.07,-31.6],[105,68.57,53.88,65.63,52.16,22.85,-46.48,-32.49],[110,68.08,54.78,66.28,52.75,22.92,-46.86,-33.39],[115,67.58,55.68,66.93,53.35,23.0,-47.22,-34.28],[120,67.07,56.58,67.56,53.94,23.09,-47.56,-35.16],[125,66.55,57.47,68.19,54.54,23.19,-47.88,-36.05],[130,66.01,58.36,68.81,55.13,23.29,-48.17,-36.93],[135,65.47,59.25,69.41,55.72,23.4,-48.44,-37.8],[140,64.92,60.14,70.01,56.31,23.52,-48.68,-38.68],[145,64.36,61.01,70.6,56.9,23.65,-48.89,-39.54],[150,63.79,61.89,71.17,57.49,23.78,-49.08,-40.4],[155,63.21,62.76,71.72,58.07,23.92,-49.24,-41.26],[160,62.63,63.62,72.26,58.65,24.07,-49.37,-42.11],[165,62.04,64.47,72.78,59.23,24.23,-49.48,-42.96],[170,61.45,65.32,73.28,59.8,24.39,-49.56,-43.79],[175,60.85,66.15,73.76,60.37,24.56,-49.61,-44.62],[180,60.25,66.98,74.21,60.93,24.74,-49.63,-45.44],[185,59.64,67.79,74.64,61.49,24.92,-49.63,-46.26],[190,59.03,68.59,75.03,62.04,25.11,-49.59,-47.06],[195,58.42,69.37,75.4,62.59,25.31,-49.53,-47.86],[200,57.8,70.13,75.73,63.13,25.51,-49.44,-48.64],[205,57.19,70.88,76.02,63.66,25.73,-49.32,-49.41],[210,56.57,71.6,76.28,64.18,25.94,-49.18,-50.17],[215,55.95,72.3,76.49,64.7,26.17,-49.01,-50.92],[220,55.32,72.97,76.66,65.2,26.4,-48.81,-51.65],[225,54.7,73.6,76.78,65.7,26.64,-48.59,-52.37],[230,54.08,74.2,76.85,66.18,26.89,-48.34,-53.08],[235,53.45,74.76,76.88,66.65,27.14,-48.06,-53.76],[240,52.83,75.28,76.86,67.11,27.39,-47.76,-54.43],[245,52.2,75.74,76.79,67.56,27.66,-47.44,-55.09],[250,51.58,76.15,76.68,67.99,27.93,-47.09,-55.72],[255,50.95,76.5,76.52,68.41,28.2,-46.72,-56.33],[260,50.33,76.78,76.31,68.8,28.49,-46.33,-56.92],[265,49.71,77.0,76.07,69.18,28.78,-45.92,-57.48],[270,49.09,77.14,75.78,69.55,29.07,-45.48,-58.02],[275,48.46,77.2,75.46,69.89,29.37,-45.02,-58.53],[280,47.85,77.19,75.1,70.21,29.68,-44.55,-59.02],[285,47.23,77.1,74.71,70.51,29.99,-44.05,-59.47],[290,46.61,76.93,74.29,70.78,30.3,-43.54,-59.9],[295,46.0,76.7,73.84,71.03,30.63,-43.01,-60.3],[300,45.38,76.39,73.37,71.25,30.95,-42.46,-60.66],[305,44.77,76.02,72.87,71.45,31.29,-41.89,-60.98],[310,44.17,75.6,72.35,71.62,31.62,-41.31,-61.28],[315,43.56,75.11,71.82,71.76,31.97,-40.72,-61.53],[320,42.96,74.59,71.26,71.87,32.32,-40.1,-61.75],[325,42.36,74.01,70.7,71.95,32.67,-39.48,-61.93],[330,41.76,73.4,70.11,72.01,33.03,-38.84,-62.07],[335,41.17,72.75,69.52,72.03,33.39,-38.19,-62.16],[340,40.58,72.07,68.91,72.02,33.76,-37.52,-62.22],[345,39.99,71.37,68.3,71.98,34.13,-36.85,-62.24],[350,39.4,70.64,67.67,71.91,34.5,-36.16,-62.22],[355,38.82,69.88,67.04,71.81,34.89,-35.46,-62.15],[360,38.25,69.11,66.39,71.68,35.27,-34.75,-62.05],[365,37.67,68.33,65.75,71.52,35.66,-34.03,-61.91],[370,37.1,67.52,65.09,71.33,36.05,-33.3,-61.72],[375,36.54,66.71,64.43,71.12,36.45,-32.57,-61.5],[380,35.98,65.88,63.77,70.88,36.85,-31.82,-61.24],[385,35.42,65.04,63.1,70.61,37.25,-31.07,-60.95],[390,34.87,64.19,62.43,70.32,37.66,-30.3,-60.62],[395,34.32,63.34,61.75,70.01,38.07,-29.53,-60.25],[400,33.78,62.47,61.08,69.68,38.48,-28.76,-59.85],[405,33.24,61.6,60.39,69.32,38.9,-27.97,-59.42],[410,32.71,60.73,59.71,68.95,39.32,-27.18,-58.96],[415,32.18,59.85,59.03,68.56,39.74,-26.39,-58.47],[420,31.65,58.96,58.34,68.15,40.17,-25.59,-57.96],[425,31.14,58.07,57.66,67.72,40.6,-24.78,-57.42],[430,30.62,57.18,56.97,67.28,41.03,-23.97,-56.85],[435,30.12,56.28,56.28,66.83,41.46,-23.15,-56.26],[440,29.61,55.39,55.59,66.36,41.9,-22.33,-55.65],[445,29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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-06-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-07T01:35+08:00","end_at":"2026-11-07T01:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-06-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-07T01:45+08:00","end_at":"2026-11-07T04:35+08:00","latest_exposure_start_at":"2026-11-07T04:30+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.09,"maximum_moon_altitude_deg":-21.26,"maximum_sun_altitude_deg":-44.76,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-06-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-07T04:35+08:00","end_at":"2026-11-07T04:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-06-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-07T04:45+08:00","end_at":"2026-11-07T06:25+08:00","latest_exposure_start_at":"2026-11-07T06:10+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":44.8,"maximum_moon_altitude_deg":-2.42,"maximum_sun_altitude_deg":-25.41,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-06-6","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-07T06:25+08:00","end_at":"2026-11-07T06:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-06-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-07T06:30+08:00","end_at":"2026-11-07T06:50+08:00","latest_exposure_start_at":"2026-11-07T06:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":1,"exposure_hours":0.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.91,"maximum_moon_altitude_deg":1.75,"maximum_sun_altitude_deg":-20.89,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-06-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-07T06:50+08:00","end_at":"2026-11-07T07:06+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-06","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-06.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-06.json"},"altitude_plot":{"anchor_at":"2026-11-06T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.42,35.62,51.89,40.32,23.01,-32.0,-13.74],[5,73.48,36.51,52.58,40.89,22.93,-32.83,-14.64],[10,73.5,37.4,53.27,41.45,22.85,-33.65,-15.54],[15,73.48,38.3,53.95,42.02,22.79,-34.46,-16.43],[20,73.44,39.2,54.64,42.6,22.73,-35.27,-17.33],[25,73.35,40.1,55.33,43.17,22.68,-36.07,-18.24],[30,73.24,41.0,56.02,43.75,22.63,-36.86,-19.14],[35,73.09,41.9,56.7,44.33,22.6,-37.64,-20.04],[40,72.9,42.81,57.39,44.92,22.57,-38.42,-20.95],[45,72.69,43.71,58.08,45.5,22.55,-39.19,-21.85],[50,72.45,44.62,58.76,46.09,22.54,-39.94,-22.76],[55,72.17,45.53,59.45,46.68,22.53,-40.69,-23.66],[60,71.87,46.43,60.13,47.27,22.53,-41.43,-24.57],[65,71.55,47.34,60.81,47.86,22.54,-42.16,-25.48],[70,71.2,48.25,61.49,48.45,22.56,-42.88,-26.38],[75,70.83,49.16,62.17,49.05,22.59,-43.58,-27.29],[80,70.43,50.06,62.84,49.64,22.62,-44.27,-28.19],[85,70.02,50.97,63.51,50.24,22.66,-44.95,-29.09],[90,69.59,51.88,64.18,50.84,22.71,-45.62,-29.99],[95,69.13,52.78,64.84,51.43,22.77,-46.27,-30.89],[100,68.67,53.69,65.49,52.03,22.83,-46.91,-31.79],[105,68.19,54.59,66.14,52.63,22.9,-47.53,-32.69],[110,67.69,55.49,66.79,53.22,22.98,-48.13,-33.58],[115,67.18,56.39,67.43,53.82,23.07,-48.72,-34.47],[120,66.66,57.28,68.05,54.41,23.17,-49.29,-35.36],[125,66.13,58.17,68.67,55.01,23.27,-49.84,-36.24],[130,65.59,59.06,69.29,55.6,23.38,-50.37,-37.13],[135,65.04,59.95,69.88,56.19,23.5,-50.88,-38.0],[140,64.48,60.83,70.47,56.78,23.62,-51.37,-38.88],[145,63.91,61.7,71.05,57.36,23.75,-51.83,-39.74],[150,63.33,62.57,71.6,57.95,23.89,-52.28,-40.61],[155,62.75,63.43,72.15,58.53,24.04,-52.7,-41.47],[160,62.17,64.29,72.67,59.1,24.19,-53.09,-42.32],[165,61.57,65.14,73.18,59.68,24.35,-53.46,-43.16],[170,60.98,65.97,73.66,60.25,24.52,-53.8,-44.0],[175,60.38,66.8,74.12,60.81,24.7,-54.12,-44.83],[180,59.77,67.61,74.55,61.37,24.88,-54.41,-45.66],[185,59.16,68.42,74.95,61.92,25.07,-54.67,-46.47],[190,58.55,69.2,75.32,62.47,25.27,-54.9,-47.28],[195,57.93,69.97,75.66,63.01,25.47,-55.1,-48.08],[200,57.32,70.72,75.96,63.54,25.68,-55.27,-48.86],[205,56.7,71.45,76.22,64.07,25.9,-55.41,-49.64],[210,56.08,72.15,76.45,64.59,26.12,-55.51,-50.4],[215,55.46,72.83,76.62,65.09,26.35,-55.59,-51.15],[220,54.83,73.47,76.76,65.59,26.59,-55.64,-51.89],[225,54.21,74.08,76.84,66.08,26.83,-55.65,-52.61],[230,53.59,74.65,76.88,66.55,27.08,-55.63,-53.32],[235,52.96,75.17,76.87,67.02,27.34,-55.58,-54.01],[240,52.34,75.65,76.81,67.46,27.6,-55.5,-54.68],[245,51.71,76.07,76.71,67.9,27.87,-55.39,-55.33],[250,51.09,76.43,76.56,68.32,28.15,-55.25,-55.97],[255,50.46,76.73,76.36,68.72,28.43,-55.07,-56.58],[260,49.84,76.96,76.12,69.1,28.71,-54.87,-57.17],[265,49.22,77.11,75.85,69.47,29.01,-54.64,-57.74],[270,48.6,77.19,75.53,69.82,29.3,-54.37,-58.28],[275,47.98,77.2,75.18,70.14,29.61,-54.08,-58.8],[280,47.36,77.12,74.79,70.44,29.92,-53.76,-59.29],[285,46.74,76.97,74.38,70.72,30.24,-53.42,-59.75],[290,46.13,76.75,73.94,70.98,30.56,-53.05,-60.18],[295,45.52,76.46,73.47,71.21,30.88,-52.65,-60.58],[300,44.9,76.11,72.98,71.41,31.21,-52.23,-60.94],[305,44.3,75.69,72.46,71.59,31.55,-51.79,-61.27],[310,43.69,75.22,71.93,71.73,31.89,-51.32,-61.57],[315,43.09,74.7,71.38,71.85,32.24,-50.84,-61.82],[320,42.49,74.14,70.82,71.94,32.59,-50.33,-62.04],[325,41.89,73.53,70.24,72.0,32.95,-49.8,-62.22],[330,41.29,72.89,69.65,72.02,33.31,-49.25,-62.36],[335,40.7,72.22,69.04,72.02,33.68,-48.68,-62.46],[340,40.11,71.52,68.43,71.99,34.05,-48.1,-62.52],[345,39.53,70.79,67.8,71.92,34.42,-47.5,-62.54],[350,38.95,70.05,67.17,71.83,34.8,-46.88,-62.52],[355,38.37,69.28,66.53,71.71,35.19,-46.25,-62.45],[360,37.79,68.5,65.89,71.55,35.57,-45.6,-62.35],[365,37.22,67.7,65.23,71.37,35.97,-44.94,-62.21],[370,36.66,66.88,64.57,71.16,36.36,-44.27,-62.02],[375,36.1,66.06,63.91,70.93,36.76,-43.58,-61.8],[380,35.54,65.22,63.24,70.67,37.16,-42.89,-61.54],[385,34.99,64.37,62.57,70.39,37.57,-42.18,-61.24],[390,34.44,63.52,61.9,70.08,37.98,-41.46,-60.91],[395,33.89,62.66,61.22,69.75,38.39,-40.73,-60.54],[400,33.35,61.79,60.54,69.4,38.81,-39.99,-60.14],[405,32.82,60.92,59.86,69.03,39.23,-39.24,-59.7],[410,32.29,60.04,59.17,68.64,39.65,-38.48,-59.24],[415,31.77,59.15,58.49,68.24,40.08,-37.71,-58.75],[420,31.25,58.26,57.8,67.81,40.5,-36.94,-58.23],[425,30.73,57.37,57.12,67.38,40.94,-36.16,-57.69],[430,30.22,56.48,56.43,66.92,41.37,-35.37,-57.12],[435,29.72,55.58,55.74,66.46,41.8,-34.58,-56.52],[440,29.22,54.68,55.05,65.98,42.24,-33.78,-55.91],[445,2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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-07T20:22+08:00","astronomical_dawn_at":"2026-11-08T07:07+08:00","science_end_at":"2026-11-08T06:50+08:00","moon":{"illumination_at_night_start_pct":3.3,"moonless_window":["2026-11-07T20:30+08:00","2026-11-08T06:50+08:00"],"moonless_label":"20:30—次日 06:50"},"target_windows":{"Ou4":{"start_above40":"2026-11-07T20:30+08:00","end_above40":"2026-11-08T01:30+08:00","transit":"2026-11-08T20:02+08:00"},"M33 三角座星系":{"start_above40":"2026-11-07T20:30+08:00","end_above40":"2026-11-08T04:30+08:00","transit":"2026-11-08T00:28+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-07T20:30+08:00","end_above40":"2026-11-08T05:00+08:00","transit":"2026-11-07T23:47+08:00"},"心脏 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-07-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-08T01:30+08:00","end_at":"2026-11-08T01:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-07-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-08T01:40+08:00","end_at":"2026-11-08T04:30+08:00","latest_exposure_start_at":"2026-11-08T04:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.28,"maximum_moon_altitude_deg":-33.43,"maximum_sun_altitude_deg":-45.81,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-07-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-08T04:30+08:00","end_at":"2026-11-08T04:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-07-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-08T04:40+08:00","end_at":"2026-11-08T05:40+08:00","latest_exposure_start_at":"2026-11-08T05:25+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.65,"maximum_moon_altitude_deg":-21.45,"maximum_sun_altitude_deg":-33.72,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-07-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-08T05:40+08:00","end_at":"2026-11-08T05:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-07-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-08T05:50+08:00","end_at":"2026-11-08T06:50+08:00","latest_exposure_start_at":"2026-11-08T06:45+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":10,"exposure_hours":0.833333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.54,"maximum_moon_altitude_deg":-9.51,"maximum_sun_altitude_deg":-21.1,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-07-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-08T06:50+08:00","end_at":"2026-11-08T07:07+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-07","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-07.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-07.json"},"altitude_plot":{"anchor_at":"2026-11-07T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.47,36.32,52.43,40.77,22.94,-28.39,-13.93],[5,73.5,37.21,53.12,41.33,22.87,-29.27,-14.83],[10,73.49,38.11,53.81,41.9,22.8,-30.14,-15.72],[15,73.45,39.01,54.49,42.48,22.74,-31.01,-16.62],[20,73.37,39.91,55.18,43.05,22.69,-31.87,-17.52],[25,73.26,40.81,55.87,43.63,22.64,-32.74,-18.42],[30,73.12,41.71,56.56,44.21,22.6,-33.6,-19.33],[35,72.94,42.62,57.24,44.79,22.57,-34.46,-20.23],[40,72.74,43.52,57.93,45.38,22.55,-35.31,-21.13],[45,72.5,44.43,58.62,45.96,22.54,-36.16,-22.04],[50,72.23,45.33,59.3,46.55,22.53,-37.0,-22.94],[55,71.94,46.24,59.99,47.14,22.53,-37.84,-23.85],[60,71.62,47.15,60.67,47.73,22.54,-38.68,-24.76],[65,71.28,48.06,61.35,48.33,22.56,-39.51,-25.66],[70,70.91,48.96,62.02,48.92,22.58,-40.33,-26.57],[75,70.52,49.87,62.7,49.52,22.61,-41.15,-27.47],[80,70.11,50.78,63.37,50.11,22.65,-41.96,-28.38],[85,69.68,51.68,64.03,50.71,22.7,-42.77,-29.28],[90,69.23,52.59,64.7,51.3,22.76,-43.57,-30.18],[95,68.77,53.49,65.35,51.9,22.82,-44.36,-31.08],[100,68.29,54.4,66.01,52.5,22.89,-45.14,-31.98],[105,67.8,55.3,66.65,53.09,22.97,-45.91,-32.88],[110,67.29,56.19,67.29,53.69,23.05,-46.67,-33.77],[115,66.77,57.09,67.92,54.28,23.15,-47.43,-34.66],[120,66.24,57.98,68.54,54.88,23.25,-48.17,-35.55],[125,65.7,58.87,69.16,55.47,23.35,-48.9,-36.44],[130,65.15,59.76,69.76,56.06,23.47,-49.62,-37.32],[135,64.6,60.64,70.35,56.65,23.59,-50.33,-38.2],[140,64.03,61.52,70.92,57.24,23.72,-51.02,-39.07],[145,63.46,62.39,71.49,57.82,23.86,-51.7,-39.94],[150,62.88,63.25,72.03,58.4,24.01,-52.36,-40.8],[155,62.29,64.11,72.56,58.98,24.16,-53.01,-41.66],[160,61.7,64.96,73.07,59.55,24.32,-53.64,-42.52],[165,61.1,65.8,73.56,60.12,24.49,-54.26,-43.37],[170,60.5,66.62,74.02,60.69,24.66,-54.85,-44.21],[175,59.9,67.44,74.46,61.25,24.84,-55.43,-45.04],[180,59.29,68.25,74.87,61.81,25.03,-55.98,-45.86],[185,58.68,69.04,75.25,62.35,25.22,-56.51,-46.68],[190,58.07,69.81,75.59,62.9,25.43,-57.02,-47.49],[195,57.45,70.56,75.9,63.43,25.63,-57.51,-48.29],[200,56.83,71.29,76.17,63.96,25.85,-57.97,-49.08],[205,56.21,72.0,76.4,64.48,26.07,-58.4,-49.86],[210,55.59,72.68,76.59,64.99,26.3,-58.81,-50.62],[215,54.97,73.34,76.73,65.49,26.54,-59.19,-51.37],[220,54.34,73.95,76.83,65.98,26.78,-59.54,-52.11],[225,53.72,74.53,76.88,66.45,27.03,-59.85,-52.84],[230,53.09,75.06,76.88,66.92,27.28,-60.14,-53.55],[235,52.47,75.55,76.83,67.37,27.54,-60.39,-54.24],[240,51.84,75.98,76.73,67.81,27.81,-60.61,-54.92],[245,51.22,76.36,76.59,68.23,28.09,-60.8,-55.58],[250,50.6,76.67,76.41,68.64,28.37,-60.95,-56.21],[255,49.97,76.91,76.18,69.02,28.65,-61.07,-56.83],[260,49.35,77.08,75.91,69.39,28.94,-61.15,-57.43],[265,48.73,77.18,75.6,69.74,29.24,-61.19,-58.0],[270,48.11,77.2,75.26,70.07,29.54,-61.2,-58.54],[275,47.49,77.15,74.88,70.38,29.85,-61.17,-59.06],[280,46.87,77.01,74.47,70.67,30.17,-61.1,-59.56],[285,46.26,76.81,74.03,70.93,30.49,-61.0,-60.02],[290,45.65,76.53,73.57,71.16,30.81,-60.87,-60.45],[295,45.03,76.19,73.08,71.37,31.14,-60.69,-60.85],[300,44.43,75.79,72.58,71.55,31.48,-60.49,-61.22],[305,43.82,75.33,72.05,71.7,31.82,-60.25,-61.55],[310,43.22,74.82,71.5,71.83,32.17,-59.98,-61.85],[315,42.61,74.26,70.94,71.92,32.52,-59.67,-62.11],[320,42.02,73.66,70.36,71.99,32.87,-59.34,-62.33],[325,41.42,73.03,69.77,72.02,33.23,-58.97,-62.51],[330,40.83,72.37,69.17,72.02,33.6,-58.58,-62.65],[335,40.24,71.67,68.56,72.0,33.97,-58.16,-62.76],[340,39.65,70.95,67.94,71.94,34.34,-57.71,-62.82],[345,39.07,70.21,67.31,71.85,34.72,-57.24,-62.84],[350,38.49,69.45,66.67,71.73,35.1,-56.74,-62.81],[355,37.92,68.66,66.02,71.59,35.49,-56.23,-62.75],[360,37.35,67.87,65.37,71.41,35.88,-55.68,-62.64],[365,36.78,67.06,64.71,71.21,36.28,-55.12,-62.5],[370,36.22,66.23,64.05,70.98,36.68,-54.54,-62.31],[375,35.66,65.4,63.39,70.73,37.08,-53.94,-62.09],[380,35.1,64.56,62.72,70.45,37.48,-53.32,-61.83],[385,34.55,63.7,62.04,70.15,37.89,-52.68,-61.53],[390,34.01,62.84,61.37,69.82,38.31,-52.03,-61.19],[395,33.47,61.98,60.69,69.48,38.72,-51.37,-60.82],[400,32.93,61.1,60.0,69.11,39.14,-50.69,-60.42],[405,32.4,60.22,59.32,68.73,39.56,-49.99,-59.98],[410,31.88,59.34,58.64,68.32,39.99,-49.29,-59.52],[415,31.36,58.45,57.95,67.9,40.41,-48.57,-59.02],[420,30.84,57.56,57.26,67.47,40.84,-47.84,-58.5],[425,30.33,56.67,56.58,67.02,41.27,-47.1,-57.95],[430,29.83,55.77,55.89,66.56,41.71,-46.35,-57.38],[435,29.33,54.87,55.2,66.09,42.15,-45.59,-56.78],[440,28.84,53.97,54.51,65.6,42.58,-44.83,-56.16],[445,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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-08-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-09T01:25+08:00","end_at":"2026-11-09T01:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-08-5","kind":"exposure","target_id":"m33","target_name":"M33 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-09-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-10T00:00+08:00","end_at":"2026-11-10T00:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-09-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-10T01:20+08:00","end_at":"2026-11-10T01:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-09-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-10T01:30+08:00","end_at":"2026-11-10T04:20+08:00","latest_exposure_start_at":"2026-11-10T04:15+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.67,"maximum_moon_altitude_deg":-56.33,"maximum_sun_altitude_deg":-47.88,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-09-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-10T04:20+08:00","end_at":"2026-11-10T04:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-09-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-10T04:30+08:00","end_at":"2026-11-10T05:30+08:00","latest_exposure_start_at":"2026-11-10T05:15+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.91,"maximum_moon_altitude_deg":-44.85,"maximum_sun_altitude_deg":-35.91,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-09-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-10T05:30+08:00","end_at":"2026-11-10T05:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-09-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-10T05:40+08:00","end_at":"2026-11-10T06:50+08:00","latest_exposure_start_at":"2026-11-10T06:45+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":11,"exposure_hours":0.916667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.37,"maximum_moon_altitude_deg":-31.13,"maximum_sun_altitude_deg":-21.5,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-09-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-10T06:50+08:00","end_at":"2026-11-10T07:09+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-09","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-09.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-09.json"},"altitude_plot":{"anchor_at":"2026-11-09T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.5,37.73,53.51,41.66,22.83,-18.09,-14.29],[5,73.47,38.62,54.2,42.23,22.76,-18.94,-15.18],[10,73.41,39.52,54.89,42.8,22.71,-19.8,-16.08],[15,73.31,40.42,55.58,43.38,22.66,-20.65,-16.98],[20,73.19,41.33,56.26,43.96,22.62,-21.51,-17.88],[25,73.02,42.23,56.95,44.54,22.59,-22.37,-18.78],[30,72.83,43.13,57.64,45.13,22.56,-23.24,-19.68],[35,72.61,44.04,58.32,45.71,22.54,-24.1,-20.58],[40,72.35,44.95,59.01,46.3,22.53,-24.97,-21.49],[45,72.07,45.85,59.69,46.89,22.53,-25.84,-22.39],[50,71.76,46.76,60.38,47.48,22.54,-26.71,-23.3],[55,71.43,47.67,61.06,48.07,22.55,-27.58,-24.2],[60,71.07,48.57,61.73,48.67,22.57,-28.45,-25.11],[65,70.69,49.48,62.41,49.26,22.6,-29.32,-26.01],[70,70.29,50.39,63.08,49.86,22.64,-30.2,-26.92],[75,69.87,51.3,63.75,50.45,22.68,-31.07,-27.82],[80,69.43,52.2,64.41,51.05,22.73,-31.94,-28.73],[85,68.97,53.11,65.07,51.65,22.79,-32.82,-29.63],[90,68.5,54.01,65.73,52.24,22.86,-33.69,-30.53],[95,68.01,54.91,66.38,52.84,22.93,-34.57,-31.44],[100,67.51,55.81,67.02,53.44,23.01,-35.45,-32.33],[105,67.0,56.71,67.65,54.03,23.1,-36.32,-33.23],[110,66.47,57.6,68.28,54.62,23.2,-37.19,-34.13],[115,65.93,58.49,68.9,55.22,23.31,-38.07,-35.02],[120,65.39,59.38,69.5,55.81,23.42,-38.94,-35.91],[125,64.84,60.26,70.1,56.4,23.54,-39.81,-36.8],[130,64.27,61.14,70.68,56.99,23.67,-40.68,-37.68],[135,63.7,62.02,71.25,57.57,23.8,-41.55,-38.56],[140,63.13,62.88,71.8,58.15,23.94,-42.42,-39.44],[145,62.54,63.74,72.34,58.73,24.09,-43.28,-40.31],[150,61.95,64.59,72.86,59.31,24.25,-44.14,-41.18],[155,61.36,65.44,73.35,59.88,24.41,-45.0,-42.04],[160,60.76,66.27,73.83,60.45,24.58,-45.86,-42.9],[165,60.16,67.09,74.27,61.01,24.76,-46.71,-43.75],[170,59.55,67.9,74.7,61.57,24.95,-47.56,-44.59],[175,58.94,68.7,75.09,62.12,25.14,-48.41,-45.43],[180,58.33,69.48,75.45,62.67,25.34,-49.25,-46.26],[185,57.71,70.24,75.77,63.2,25.54,-50.09,-47.08],[190,57.1,70.98,76.06,63.73,25.76,-50.92,-47.89],[195,56.48,71.7,76.31,64.26,25.98,-51.75,-48.7],[200,55.86,72.4,76.51,64.77,26.2,-52.57,-49.49],[205,55.23,73.06,76.68,65.27,26.44,-53.39,-50.27],[210,54.61,73.69,76.79,65.77,26.68,-54.19,-51.04],[215,53.99,74.29,76.86,66.25,26.92,-54.99,-51.8],[220,53.36,74.84,76.88,66.72,27.17,-55.79,-52.55],[225,52.74,75.35,76.85,67.18,27.43,-56.57,-53.28],[230,52.11,75.81,76.78,67.62,27.7,-57.34,-53.99],[235,51.49,76.21,76.66,68.05,27.97,-58.11,-54.69],[240,50.86,76.54,76.49,68.46,28.25,-58.86,-55.38],[245,50.24,76.82,76.28,68.86,28.53,-59.6,-56.04],[250,49.62,77.02,76.03,69.24,28.82,-60.33,-56.69],[255,48.99,77.15,75.74,69.6,29.11,-61.04,-57.31],[260,48.37,77.2,75.41,69.94,29.41,-61.74,-57.91],[265,47.76,77.18,75.04,70.25,29.72,-62.42,-58.49],[270,47.14,77.08,74.65,70.55,30.03,-63.08,-59.04],[275,46.52,76.9,74.22,70.82,30.35,-63.72,-59.57],[280,45.91,76.66,73.77,71.06,30.67,-64.34,-60.07],[285,45.3,76.34,73.29,71.28,31.0,-64.94,-60.54],[290,44.69,75.97,72.8,71.48,31.34,-65.52,-60.98],[295,44.08,75.53,72.28,71.64,31.67,-66.06,-61.39],[300,43.47,75.04,71.74,71.78,32.02,-66.58,-61.76],[305,42.87,74.5,71.18,71.89,32.37,-67.07,-62.1],[310,42.27,73.92,70.61,71.96,32.72,-67.53,-62.4],[315,41.67,73.31,70.03,72.01,33.08,-67.96,-62.67],[320,41.08,72.65,69.43,72.03,33.44,-68.34,-62.89],[325,40.49,71.97,68.82,72.01,33.81,-68.69,-63.08],[330,39.9,71.26,68.21,71.97,34.18,-69.0,-63.22],[335,39.32,70.53,67.58,71.89,34.56,-69.27,-63.33],[340,38.74,69.77,66.94,71.79,34.94,-69.5,-63.39],[345,38.16,69.0,66.3,71.65,35.33,-69.68,-63.41],[350,37.59,68.21,65.65,71.49,35.71,-69.81,-63.39],[355,37.02,67.41,65.0,71.3,36.11,-69.89,-63.33],[360,36.46,66.59,64.34,71.08,36.5,-69.93,-63.22],[365,35.9,65.76,63.67,70.84,36.91,-69.92,-63.07],[370,35.34,64.92,63.0,70.57,37.31,-69.87,-62.89],[375,34.79,64.07,62.33,70.28,37.72,-69.76,-62.66],[380,34.24,63.21,61.65,69.96,38.13,-69.61,-62.39],[385,33.7,62.35,60.98,69.63,38.54,-69.41,-62.09],[390,33.16,61.48,60.3,69.27,38.96,-69.17,-61.75],[395,32.63,60.6,59.61,68.89,39.38,-68.88,-61.38],[400,32.1,59.72,58.93,68.5,39.8,-68.56,-60.97],[405,31.58,58.83,58.24,68.09,40.23,-68.19,-60.53],[410,31.06,57.94,57.56,67.66,40.66,-67.79,-60.06],[415,30.55,57.05,56.87,67.22,41.09,-67.36,-59.56],[420,30.04,56.15,56.18,66.76,41.52,-66.89,-59.03],[425,29.54,55.26,55.49,66.29,41.96,-66.39,-58.48],[430,29.05,54.35,54.81,65.81,42.4,-65.86,-57.9],[435,28.56,53.45,54.12,65.32,42.84,-65.3,-57.3],[440,28.08,52.55,53.43,64.81,43.28,-64.72,-56.67],[445,27.6,51.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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-10-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-11T00:00+08:00","end_at":"2026-11-11T00:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-10-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-11T01:20+08:00","end_at":"2026-11-11T01:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-10-5","kind":"exposure","target_id":"m33","target_name":"M33 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-11-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-11T23:55+08:00","end_at":"2026-11-12T00:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-11-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"RGB","filters":["R","G","B"],"start_at":"2026-11-12T00:00+08:00","end_at":"2026-11-12T01:15+08:00","latest_exposure_start_at":"2026-11-12T01:10+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":12,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.74,"maximum_moon_altitude_deg":-45.01,"maximum_sun_altitude_deg":-55.81,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"R/G/B 轮流各 4 张 × 300 秒，合计 1 小时。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-11-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-12T01:15+08:00","end_at":"2026-11-12T01:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-11-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-12T01:25+08:00","end_at":"2026-11-12T04:15+08:00","latest_exposure_start_at":"2026-11-12T04:10+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.15,"maximum_moon_altitude_deg":-59.4,"maximum_sun_altitude_deg":-49.13,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-11-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-12T04:15+08:00","end_at":"2026-11-12T04:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-11-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-12T04:25+08:00","end_at":"2026-11-12T05:25+08:00","latest_exposure_start_at":"2026-11-12T05:10+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.56,"maximum_moon_altitude_deg":-64.69,"maximum_sun_altitude_deg":-37.2,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-11-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-12T05:25+08:00","end_at":"2026-11-12T05:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-11-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-12T05:35+08:00","end_at":"2026-11-12T06:55+08:00","latest_exposure_start_at":"2026-11-12T06:50+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":13,"exposure_hours":1.083333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.6,"maximum_moon_altitude_deg":-50.03,"maximum_sun_altitude_deg":-21.0,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-11-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-12T06:55+08:00","end_at":"2026-11-12T07:11+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-11","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-11.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-11.json"},"altitude_plot":{"anchor_at":"2026-11-11T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.44,39.14,54.59,42.56,22.73,-5.46,-14.63],[5,73.36,40.04,55.28,43.13,22.68,-6.19,-15.52],[10,73.24,40.94,55.97,43.71,22.63,-6.93,-16.41],[15,73.1,41.84,56.66,44.29,22.6,-7.67,-17.31],[20,72.92,42.75,57.34,44.88,22.57,-8.42,-18.21],[25,72.7,43.65,58.03,45.46,22.55,-9.18,-19.11],[30,72.46,44.56,58.72,46.05,22.54,-9.94,-20.01],[35,72.19,45.46,59.4,46.64,22.53,-10.71,-20.91],[40,71.9,46.37,60.08,47.23,22.53,-11.48,-21.81],[45,71.57,47.28,60.77,47.82,22.54,-12.25,-22.72],[50,71.22,48.19,61.44,48.41,22.56,-13.04,-23.62],[55,70.85,49.09,62.12,49.01,22.59,-13.82,-24.53],[60,70.46,50.0,62.79,49.6,22.62,-14.61,-25.43],[65,70.05,50.91,63.46,50.2,22.66,-15.41,-26.34],[70,69.62,51.82,64.13,50.79,22.71,-16.21,-27.25],[75,69.17,52.72,64.79,51.39,22.76,-17.01,-28.15],[80,68.7,53.62,65.45,51.99,22.83,-17.82,-29.06],[85,68.22,54.53,66.1,52.58,22.9,-18.63,-29.96],[90,67.72,55.43,66.74,53.18,22.98,-19.45,-30.86],[95,67.22,56.33,67.38,53.78,23.07,-20.27,-31.77],[100,66.7,57.22,68.01,54.37,23.16,-21.09,-32.67],[105,66.16,58.11,68.63,54.96,23.26,-21.92,-33.56],[110,65.62,59.0,69.24,55.56,23.37,-22.75,-34.46],[115,65.07,59.89,69.84,56.15,23.49,-23.58,-35.36],[120,64.51,60.77,70.43,56.74,23.61,-24.42,-36.25],[125,63.95,61.64,71.01,57.32,23.74,-25.26,-37.14],[130,63.37,62.51,71.57,57.91,23.88,-26.1,-38.02],[135,62.79,63.38,72.11,58.49,24.03,-26.94,-38.9],[140,62.21,64.23,72.64,59.06,24.18,-27.79,-39.78],[145,61.61,65.08,73.14,59.64,24.34,-28.64,-40.66],[150,61.02,65.92,73.63,60.21,24.51,-29.49,-41.53],[155,60.42,66.74,74.09,60.77,24.69,-30.34,-42.39],[160,59.81,67.56,74.52,61.33,24.87,-31.2,-43.25],[165,59.2,68.36,74.92,61.89,25.06,-32.05,-44.11],[170,58.59,69.15,75.3,62.43,25.25,-32.91,-44.95],[175,57.98,69.92,75.64,62.97,25.46,-33.77,-45.79],[180,57.36,70.67,75.94,63.51,25.67,-34.63,-46.63],[185,56.74,71.4,76.21,64.03,25.88,-35.49,-47.45],[190,56.12,72.1,76.43,64.55,26.11,-36.36,-48.27],[195,55.5,72.78,76.61,65.06,26.34,-37.22,-49.08],[200,54.88,73.43,76.75,65.56,26.57,-38.08,-49.88],[205,54.25,74.04,76.84,66.05,26.82,-38.95,-50.66],[210,53.63,74.61,76.88,66.52,27.06,-39.82,-51.44],[215,53.0,75.14,76.87,66.98,27.32,-40.68,-52.2],[220,52.38,75.62,76.82,67.43,27.58,-41.55,-52.95],[225,51.75,76.04,76.72,67.87,27.85,-42.42,-53.69],[230,51.13,76.41,76.57,68.29,28.13,-43.28,-54.41],[235,50.51,76.71,76.38,68.69,28.41,-44.15,-55.12],[240,49.88,76.94,76.14,69.08,28.69,-45.01,-55.81],[245,49.26,77.1,75.87,69.45,28.99,-45.88,-56.48],[250,48.64,77.19,75.55,69.79,29.28,-46.74,-57.13],[255,48.02,77.2,75.2,70.12,29.59,-47.61,-57.76],[260,47.4,77.13,74.82,70.42,29.9,-48.47,-58.37],[265,46.78,76.99,74.41,70.7,30.21,-49.33,-58.96],[270,46.17,76.77,73.97,70.96,30.53,-50.18,-59.52],[275,45.56,76.49,73.5,71.19,30.86,-51.04,-60.05],[280,44.95,76.13,73.01,71.4,31.19,-51.89,-60.56],[285,44.34,75.72,72.5,71.57,31.53,-52.74,-61.03],[290,43.73,75.26,71.97,71.72,31.87,-53.59,-61.48],[295,43.13,74.74,71.42,71.84,32.22,-54.44,-61.9],[300,42.53,74.18,70.86,71.93,32.57,-55.28,-62.28],[305,41.93,73.58,70.28,71.99,32.93,-56.11,-62.62],[310,41.33,72.94,69.69,72.02,33.29,-56.94,-62.93],[315,40.74,72.27,69.08,72.02,33.65,-57.77,-63.2],[320,40.15,71.57,68.47,71.99,34.02,-58.59,-63.43],[325,39.57,70.84,67.85,71.93,34.4,-59.4,-63.62],[330,38.99,70.1,67.22,71.84,34.78,-60.21,-63.77],[335,38.41,69.33,66.58,71.71,35.16,-61.01,-63.88],[340,37.83,68.55,65.93,71.56,35.55,-61.79,-63.95],[345,37.26,67.75,65.28,71.38,35.94,-62.58,-63.97],[350,36.7,66.94,64.62,71.18,36.33,-63.35,-63.95],[355,36.13,66.11,63.96,70.95,36.73,-64.1,-63.88],[360,35.58,65.28,63.29,70.69,37.14,-64.85,-63.78],[365,35.02,64.43,62.62,70.41,37.54,-65.58,-63.63],[370,34.47,63.58,61.94,70.1,37.95,-66.3,-63.44],[375,33.93,62.72,61.27,69.77,38.37,-67.0,-63.21],[380,33.39,61.85,60.59,69.42,38.78,-67.68,-62.95],[385,32.85,60.98,59.9,69.05,39.2,-68.34,-62.64],[390,32.33,60.1,59.22,68.67,39.62,-68.98,-62.3],[395,31.8,59.21,58.54,68.26,40.05,-69.59,-61.92],[400,31.28,58.32,57.85,67.84,40.47,-70.18,-61.51],[405,30.77,57.43,57.16,67.41,40.91,-70.74,-61.06],[410,30.26,56.54,56.48,66.96,41.34,-71.27,-60.59],[415,29.76,55.64,55.79,66.49,41.77,-71.76,-60.08],[420,29.26,54.74,55.1,66.01,42.21,-72.21,-59.55],[425,28.77,53.84,54.41,65.53,42.65,-72.62,-58.99],[430,28.28,52.93,53.73,65.03,43.09,-72.99,-58.41],[435,27.8,52.03,53.04,64.52,43.53,-73.31,-57.8],[440,27.33,51.12,52.35,64.0,43.98,-73.58,-57.17],[44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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-12-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-13T01:10+08:00","end_at":"2026-11-13T01:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-12-5","kind":"exposure","target_id":"m33","target_name":"M33 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-13-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-13T20:25+08:00","end_at":"2026-11-13T21:15+08:00","latest_exposure_start_at":"2026-11-13T21:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":2,"exposure_hours":0.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":68.43,"maximum_moon_altitude_deg":5.12,"maximum_sun_altitude_deg":-19.41,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替，每张 900 秒；按各通道未完成量补拍。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-13-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-13T21:15+08:00","end_at":"2026-11-13T21:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-13-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-13T21:20+08:00","end_at":"2026-11-14T01:05+08:00","latest_exposure_start_at":"2026-11-14T00:50+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.99,"maximum_moon_altitude_deg":-1.99,"maximum_sun_altitude_deg":-29.36,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-13-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-14T01:05+08:00","end_at":"2026-11-14T01:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-13-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-14T01:15+08:00","end_at":"2026-11-14T04:05+08:00","latest_exposure_start_at":"2026-11-14T04:00+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.54,"maximum_moon_altitude_deg":-39.83,"maximum_sun_altitude_deg":-51.16,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-13-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-14T04:05+08:00","end_at":"2026-11-14T04:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-13-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-14T04:15+08:00","end_at":"2026-11-14T05:15+08:00","latest_exposure_start_at":"2026-11-14T05:00+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.82,"maximum_moon_altitude_deg":-68.45,"maximum_sun_altitude_deg":-39.38,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-13-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-14T05:15+08:00","end_at":"2026-11-14T05:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-13-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-14T05:25+08:00","end_at":"2026-11-14T06:55+08:00","latest_exposure_start_at":"2026-11-14T06:50+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":15,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.43,"maximum_moon_altitude_deg":-65.41,"maximum_sun_altitude_deg":-21.4,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-13-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-14T06:55+08:00","end_at":"2026-11-14T07:13+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-13","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-13.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-13.json"},"altitude_plot":{"anchor_at":"2026-11-13T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.3,40.55,55.68,43.47,22.65,7.97,-14.94],[5,73.16,41.46,56.36,44.05,22.61,7.42,-15.83],[10,73.0,42.36,57.05,44.63,22.58,6.86,-16.72],[15,72.8,43.27,57.74,45.21,22.56,6.29,-17.62],[20,72.57,44.17,58.42,45.8,22.54,5.71,-18.52],[25,72.31,45.08,59.11,46.39,22.53,5.12,-19.41],[30,72.03,45.98,59.79,46.98,22.53,4.52,-20.31],[35,71.71,46.89,60.48,47.57,22.54,3.9,-21.22],[40,71.38,47.8,61.16,48.16,22.55,3.28,-22.12],[45,71.01,48.71,61.83,48.75,22.57,2.66,-23.02],[50,70.63,49.61,62.51,49.35,22.6,2.02,-23.93],[55,70.23,50.52,63.18,49.94,22.64,1.37,-24.83],[60,69.8,51.43,63.85,50.54,22.69,0.71,-25.74],[65,69.36,52.33,64.51,51.14,22.74,0.05,-26.64],[70,68.9,53.24,65.17,51.73,22.8,-0.62,-27.55],[75,68.43,54.14,65.82,52.33,22.87,-1.3,-28.45],[80,67.94,55.04,66.47,52.93,22.94,-1.99,-29.36],[85,67.43,55.94,67.11,53.52,23.03,-2.69,-30.26],[90,66.92,56.84,67.74,54.12,23.12,-3.39,-31.17],[95,66.39,57.73,68.37,54.71,23.22,-4.1,-32.07],[100,65.86,58.62,68.98,55.3,23.32,-4.82,-32.97],[105,65.31,59.51,69.59,55.9,23.44,-5.54,-33.87],[110,64.75,60.39,70.18,56.48,23.56,-6.27,-34.77],[115,64.19,61.27,70.76,57.07,23.69,-7.01,-35.66],[120,63.62,62.14,71.33,57.66,23.82,-7.75,-36.56],[125,63.04,63.01,71.88,58.24,23.96,-8.5,-37.45],[130,62.46,63.87,72.41,58.82,24.11,-9.25,-38.34],[135,61.87,64.72,72.93,59.39,24.27,-10.01,-39.22],[140,61.27,65.56,73.42,59.96,24.44,-10.78,-40.1],[145,60.67,66.39,73.89,60.53,24.61,-11.55,-40.98],[150,60.07,67.21,74.34,61.09,24.79,-12.33,-41.85],[155,59.46,68.02,74.76,61.65,24.97,-13.11,-42.72],[160,58.85,68.81,75.14,62.2,25.17,-13.89,-43.58],[165,58.24,69.59,75.5,62.74,25.37,-14.68,-44.44],[170,57.62,70.35,75.82,63.28,25.57,-15.48,-45.29],[175,57.01,71.09,76.1,63.81,25.79,-16.28,-46.13],[180,56.39,71.81,76.34,64.33,26.01,-17.08,-46.97],[185,55.76,72.5,76.54,64.84,26.24,-17.89,-47.8],[190,55.14,73.16,76.7,65.35,26.47,-18.7,-48.62],[195,54.52,73.78,76.8,65.84,26.71,-19.52,-49.43],[200,53.89,74.37,76.87,66.32,26.96,-20.33,-50.23],[205,53.27,74.92,76.88,66.79,27.21,-21.16,-51.03],[210,52.65,75.42,76.85,67.24,27.47,-21.98,-51.81],[215,52.02,75.87,76.77,67.69,27.74,-22.81,-52.58],[220,51.4,76.26,76.64,68.11,28.01,-23.64,-53.33],[225,50.77,76.59,76.46,68.52,28.29,-24.48,-54.08],[230,50.15,76.85,76.25,68.92,28.57,-25.31,-54.8],[235,49.53,77.04,75.99,69.29,28.86,-26.15,-55.52],[240,48.9,77.16,75.69,69.65,29.16,-27.0,-56.21],[245,48.28,77.2,75.36,69.98,29.46,-27.84,-56.89],[250,47.66,77.17,74.99,70.3,29.76,-28.69,-57.55],[255,47.05,77.06,74.59,70.59,30.08,-29.54,-58.19],[260,46.43,76.87,74.16,70.85,30.4,-30.39,-58.8],[265,45.82,76.62,73.7,71.1,30.72,-31.24,-59.39],[270,45.21,76.29,73.22,71.31,31.05,-32.09,-59.96],[275,44.6,75.91,72.72,71.5,31.38,-32.95,-60.5],[280,43.99,75.46,72.2,71.66,31.72,-33.81,-61.02],[285,43.38,74.97,71.66,71.8,32.07,-34.67,-61.5],[290,42.78,74.42,71.1,71.9,32.42,-35.52,-61.96],[295,42.18,73.84,70.53,71.97,32.77,-36.39,-62.38],[300,41.59,73.21,69.94,72.01,33.13,-37.25,-62.77],[305,40.99,72.56,69.34,72.03,33.5,-38.11,-63.12],[310,40.4,71.87,68.73,72.01,33.86,-38.97,-63.43],[315,39.82,71.16,68.11,71.96,34.24,-39.83,-63.71],[320,39.23,70.42,67.49,71.88,34.61,-40.7,-63.95],[325,38.65,69.66,66.85,71.77,35.0,-41.56,-64.14],[330,38.08,68.89,66.21,71.63,35.38,-42.42,-64.3],[335,37.51,68.09,65.56,71.46,35.77,-43.28,-64.41],[340,36.94,67.29,64.9,71.27,36.16,-44.14,-64.48],[345,36.37,66.47,64.24,71.05,36.56,-45.0,-64.5],[350,35.81,65.64,63.57,70.8,36.96,-45.86,-64.49],[355,35.26,64.79,62.9,70.53,37.37,-46.72,-64.42],[360,34.71,63.94,62.23,70.23,37.78,-47.58,-64.32],[365,34.16,63.09,61.56,69.91,38.19,-48.43,-64.17],[370,33.62,62.22,60.88,69.57,38.6,-49.28,-63.98],[375,33.08,61.35,60.2,69.21,39.02,-50.13,-63.75],[380,32.55,60.47,59.51,68.84,39.44,-50.98,-63.48],[385,32.02,59.59,58.83,68.44,39.87,-51.83,-63.17],[390,31.5,58.7,58.14,68.02,40.29,-52.67,-62.83],[395,30.99,57.81,57.46,67.59,40.72,-53.5,-62.45],[400,30.47,56.92,56.77,67.15,41.15,-54.34,-62.03],[405,29.97,56.02,56.08,66.69,41.59,-55.17,-61.58],[410,29.47,55.12,55.39,66.22,42.02,-55.99,-61.1],[415,28.98,54.22,54.71,65.74,42.46,-56.81,-60.59],[420,28.49,53.32,54.02,65.24,42.9,-57.62,-60.05],[425,28.01,52.42,53.33,64.74,43.34,-58.42,-59.49],[430,27.53,51.51,52.65,64.22,43.79,-59.22,-58.9],[435,27.06,50.6,51.96,63.7,44.23,-60.01,-58.29],[440,26.6,49.7,51.28,63.17,44.68,-60.79,-57.65],[445,26.14,48.79,50.59,62.63,45.12,-61.56,-57.0],[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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-14-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-15T01:00+08:00","end_at":"2026-11-15T01:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-14-5","kind":"exposure","target_id":"m33","target_name":"M33 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-15-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-15T20:25+08:00","end_at":"2026-11-15T23:20+08:00","latest_exposure_start_at":"2026-11-15T23:05+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":9,"exposure_hours":2.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":52.91,"maximum_moon_altitude_deg":19.4,"maximum_sun_altitude_deg":-19.7,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替，每张 900 秒；按各通道未完成量补拍。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-15-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-15T23:20+08:00","end_at":"2026-11-15T23:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-15-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-15T23:25+08:00","end_at":"2026-11-16T01:00+08:00","latest_exposure_start_at":"2026-11-16T00:45+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.66,"maximum_moon_altitude_deg":-2.08,"maximum_sun_altitude_deg":-51.36,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-15-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-16T01:00+08:00","end_at":"2026-11-16T01:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-15-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-16T01:10+08:00","end_at":"2026-11-16T04:00+08:00","latest_exposure_start_at":"2026-11-16T03:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.02,"maximum_moon_altitude_deg":-19.04,"maximum_sun_altitude_deg":-52.38,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-15-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-16T04:00+08:00","end_at":"2026-11-16T04:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-15-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-16T04:10+08:00","end_at":"2026-11-16T05:10+08:00","latest_exposure_start_at":"2026-11-16T04:55+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.48,"maximum_moon_altitude_deg":-49.59,"maximum_sun_altitude_deg":-40.66,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-15-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-16T05:10+08:00","end_at":"2026-11-16T05:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-15-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-16T05:20+08:00","end_at":"2026-11-16T07:00+08:00","latest_exposure_start_at":"2026-11-16T06:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":17,"exposure_hours":1.416667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.66,"maximum_moon_altitude_deg":-59.85,"maximum_sun_altitude_deg":-20.89,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-15-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-16T07:00+08:00","end_at":"2026-11-16T07:16+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-15","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-15.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-15.json"},"altitude_plot":{"anchor_at":"2026-11-15T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,73.07,41.97,56.76,44.38,22.59,21.08,-15.23],[5,72.89,42.88,57.44,44.96,22.57,20.78,-16.12],[10,72.67,43.78,58.13,45.55,22.55,20.46,-17.01],[15,72.43,44.69,58.82,46.13,22.53,20.12,-17.9],[20,72.15,45.6,59.5,46.72,22.53,19.77,-18.8],[25,71.85,46.5,60.18,47.31,22.53,19.4,-19.7],[30,71.52,47.41,60.86,47.91,22.54,19.01,-20.6],[35,71.17,48.32,61.54,48.5,22.56,18.61,-21.5],[40,70.8,49.23,62.22,49.09,22.59,18.2,-22.4],[45,70.4,50.13,62.89,49.69,22.62,17.77,-23.3],[50,69.99,51.04,63.56,50.28,22.67,17.33,-24.2],[55,69.55,51.95,64.23,50.88,22.72,16.87,-25.11],[60,69.1,52.85,64.89,51.48,22.77,16.4,-26.01],[65,68.63,53.76,65.54,52.07,22.84,15.91,-26.92],[70,68.15,54.66,66.19,52.67,22.91,15.41,-27.83],[75,67.65,55.56,66.84,53.27,22.99,14.9,-28.73],[80,67.14,56.46,67.47,53.86,23.08,14.37,-29.64],[85,66.62,57.35,68.1,54.46,23.17,13.84,-30.54],[90,66.09,58.24,68.72,55.05,23.28,13.29,-31.45],[95,65.54,59.13,69.33,55.64,23.39,12.73,-32.35],[100,64.99,60.02,69.93,56.23,23.5,12.15,-33.25],[105,64.43,60.9,70.52,56.82,23.63,11.57,-34.15],[110,63.86,61.77,71.09,57.41,23.76,10.97,-35.05],[115,63.29,62.64,71.65,57.99,23.9,10.37,-35.95],[120,62.71,63.5,72.19,58.57,24.05,9.75,-36.84],[125,62.12,64.36,72.71,59.15,24.2,9.12,-37.73],[130,61.53,65.2,73.21,59.72,24.37,8.49,-38.62],[135,60.93,66.04,73.69,60.29,24.53,7.84,-39.51],[140,60.33,66.86,74.15,60.85,24.71,7.19,-40.39],[145,59.72,67.68,74.58,61.41,24.89,6.52,-41.27],[150,59.11,68.48,74.98,61.96,25.08,5.85,-42.15],[155,58.5,69.26,75.35,62.51,25.28,5.17,-43.02],[160,57.89,70.03,75.69,63.05,25.49,4.48,-43.88],[165,57.27,70.78,75.98,63.58,25.7,3.78,-44.74],[170,56.65,71.5,76.24,64.11,25.91,3.07,-45.6],[175,56.03,72.2,76.46,64.63,26.14,2.36,-46.44],[180,55.41,72.88,76.63,65.13,26.37,1.63,-47.28],[185,54.78,73.52,76.76,65.63,26.61,0.91,-48.12],[190,54.16,74.12,76.85,66.12,26.85,0.17,-48.94],[195,53.54,74.69,76.88,66.59,27.1,-0.57,-49.76],[200,52.91,75.21,76.87,67.05,27.36,-1.32,-50.56],[205,52.29,75.68,76.81,67.5,27.62,-2.08,-51.36],[210,51.66,76.1,76.7,67.93,27.89,-2.84,-52.15],[215,51.04,76.46,76.54,68.35,28.17,-3.6,-52.92],[220,50.41,76.75,76.34,68.75,28.45,-4.38,-53.68],[225,49.79,76.97,76.1,69.13,28.73,-5.15,-54.43],[230,49.17,77.12,75.82,69.5,29.03,-5.94,-55.17],[235,48.55,77.2,75.5,69.84,29.33,-6.73,-55.89],[240,47.93,77.19,75.15,70.16,29.63,-7.52,-56.59],[245,47.31,77.11,74.76,70.47,29.94,-8.32,-57.27],[250,46.69,76.96,74.35,70.74,30.26,-9.12,-57.94],[255,46.08,76.73,73.9,71.0,30.58,-9.93,-58.58],[260,45.47,76.44,73.43,71.22,30.91,-10.74,-59.21],[265,44.86,76.08,72.94,71.42,31.24,-11.55,-59.81],[270,44.25,75.66,72.42,71.6,31.58,-12.37,-60.38],[275,43.64,75.18,71.89,71.74,31.92,-13.2,-60.93],[280,43.04,74.66,71.34,71.86,32.27,-14.02,-61.45],[285,42.44,74.09,70.77,71.94,32.62,-14.85,-61.95],[290,41.84,73.48,70.19,72.0,32.98,-15.69,-62.41],[295,41.25,72.84,69.6,72.02,33.34,-16.52,-62.84],[300,40.66,72.17,69.0,72.02,33.71,-17.36,-63.23],[305,40.07,71.46,68.38,71.98,34.08,-18.2,-63.59],[310,39.48,70.74,67.76,71.92,34.45,-19.04,-63.91],[315,38.9,69.99,67.12,71.82,34.83,-19.89,-64.2],[320,38.32,69.22,66.48,71.69,35.22,-20.74,-64.44],[325,37.75,68.43,65.83,71.54,35.6,-21.59,-64.64],[330,37.18,67.63,65.18,71.36,36.0,-22.44,-64.8],[335,36.61,66.82,64.52,71.15,36.39,-23.3,-64.92],[340,36.05,65.99,63.86,70.91,36.79,-24.15,-64.99],[345,35.5,65.16,63.19,70.65,37.19,-25.01,-65.02],[350,34.94,64.31,62.52,70.36,37.6,-25.87,-65.0],[355,34.39,63.45,61.85,70.05,38.01,-26.73,-64.94],[360,33.85,62.59,61.17,69.72,38.42,-27.59,-64.84],[365,33.31,61.72,60.49,69.37,38.84,-28.45,-64.69],[370,32.78,60.85,59.81,69.0,39.26,-29.31,-64.5],[375,32.25,59.97,59.12,68.61,39.68,-30.17,-64.27],[380,31.72,59.08,58.44,68.2,40.11,-31.03,-64.0],[385,31.21,58.19,57.75,67.78,40.54,-31.89,-63.69],[390,30.69,57.3,57.06,67.34,40.97,-32.75,-63.34],[395,30.18,56.41,56.38,66.89,41.4,-33.62,-62.96],[400,29.68,55.51,55.69,66.42,41.84,-34.48,-62.54],[405,29.19,54.61,55.0,65.94,42.27,-35.34,-62.08],[410,28.7,53.71,54.31,65.45,42.71,-36.2,-61.6],[415,28.21,52.8,53.63,64.95,43.15,-37.05,-61.09],[420,27.73,51.9,52.94,64.44,43.6,-37.91,-60.54],[425,27.26,50.99,52.25,63.92,44.04,-38.76,-59.98],[430,26.79,50.08,51.57,63.4,44.49,-39.62,-59.38],[435,26.33,49.18,50.88,62.86,44.93,-40.47,-58.77],[440,25.88,48.27,50.2,62.32,45.38,-41.32,-58.13],[445,25.43,47.36,49.52,61.77,45.83,-42.16,-57.47],[450,24.99,46.45,48.84,61.21,46.28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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-16-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-11-17T00:55+08:00","end_at":"2026-11-17T01:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-11-16-5","kind":"exposure","target_id":"m33","target_name":"M33 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-16","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-16.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-16.json"},"altitude_plot":{"anchor_at":"2026-11-16T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,72.93,42.69,57.3,44.84,22.57,27.13,-15.36],[5,72.72,43.59,57.98,45.42,22.55,26.98,-16.25],[10,72.48,44.5,58.67,46.01,22.54,26.81,-17.14],[15,72.21,45.4,59.35,46.6,22.53,26.62,-18.03],[20,71.92,46.31,60.04,47.19,22.53,26.41,-18.93],[25,71.59,47.22,60.72,47.78,22.54,26.19,-19.83],[30,71.25,48.13,61.4,48.37,22.56,25.94,-20.73],[35,70.88,49.03,62.08,48.97,22.58,25.68,-21.63],[40,70.49,49.94,62.75,49.56,22.62,25.39,-22.53],[45,70.08,50.85,63.42,50.16,22.66,25.09,-23.43],[50,69.65,51.75,64.09,50.75,22.7,24.77,-24.33],[55,69.2,52.66,64.75,51.35,22.76,24.44,-25.24],[60,68.73,53.56,65.4,51.95,22.82,24.08,-26.14],[65,68.25,54.47,66.06,52.54,22.89,23.71,-27.05],[70,67.76,55.37,66.7,53.14,22.97,23.33,-27.96],[75,67.25,56.26,67.34,53.74,23.06,22.92,-28.86],[80,66.73,57.16,67.97,54.33,23.15,22.5,-29.77],[85,66.2,58.05,68.59,54.92,23.25,22.07,-30.67],[90,65.66,58.94,69.2,55.52,23.36,21.62,-31.58],[95,65.11,59.83,69.8,56.11,23.48,21.15,-32.48],[100,64.55,60.71,70.39,56.7,23.6,20.67,-33.38],[105,63.99,61.58,70.97,57.28,23.73,20.18,-34.28],[110,63.41,62.45,71.53,57.87,23.87,19.67,-35.18],[115,62.83,63.32,72.07,58.45,24.02,19.15,-36.08],[120,62.25,64.17,72.6,59.02,24.17,18.61,-36.97],[125,61.65,65.02,73.11,59.6,24.33,18.06,-37.87],[130,61.06,65.86,73.59,60.17,24.5,17.5,-38.76],[135,60.46,66.69,74.06,60.73,24.67,16.93,-39.64],[140,59.85,67.5,74.49,61.29,24.85,16.34,-40.53],[145,59.24,68.31,74.9,61.85,25.04,15.74,-41.41],[150,58.63,69.1,75.27,62.4,25.24,15.14,-42.28],[155,58.02,69.87,75.62,62.94,25.44,14.52,-43.16],[160,57.4,70.62,75.92,63.47,25.65,13.89,-44.02],[165,56.78,71.35,76.19,64.0,25.87,13.25,-44.88],[170,56.16,72.06,76.42,64.52,26.09,12.59,-45.74],[175,55.54,72.74,76.6,65.03,26.32,11.93,-46.59],[180,54.92,73.38,76.74,65.52,26.56,11.26,-47.43],[185,54.29,74.0,76.83,66.01,26.8,10.58,-48.27],[190,53.67,74.57,76.88,66.49,27.05,9.9,-49.09],[195,53.05,75.1,76.87,66.95,27.3,9.2,-49.91],[200,52.42,75.59,76.82,67.4,27.56,8.49,-50.72],[205,51.8,76.02,76.72,67.84,27.83,7.78,-51.52],[210,51.17,76.39,76.58,68.26,28.11,7.06,-52.31],[215,50.55,76.69,76.39,68.67,28.39,6.33,-53.08],[220,49.92,76.93,76.16,69.05,28.67,5.59,-53.85],[225,49.3,77.1,75.89,69.42,28.96,4.85,-54.6],[230,48.68,77.19,75.57,69.77,29.26,4.1,-55.34],[235,48.06,77.2,75.23,70.1,29.57,3.34,-56.06],[240,47.44,77.14,74.85,70.4,29.88,2.58,-56.77],[245,46.83,77.0,74.44,70.69,30.19,1.81,-57.45],[250,46.21,76.79,74.0,70.94,30.51,1.03,-58.12],[255,45.6,76.51,73.53,71.18,30.84,0.25,-58.77],[260,44.99,76.16,73.04,71.38,31.17,-0.53,-59.4],[265,44.38,75.75,72.54,71.56,31.5,-1.33,-60.0],[270,43.77,75.29,72.01,71.71,31.85,-2.12,-60.58],[275,43.17,74.78,71.46,71.84,32.19,-2.92,-61.14],[280,42.57,74.22,70.9,71.93,32.54,-3.73,-61.66],[285,41.97,73.62,70.32,71.99,32.9,-4.54,-62.16],[290,41.37,72.98,69.73,72.02,33.26,-5.36,-62.62],[295,40.78,72.31,69.13,72.02,33.63,-6.18,-63.06],[300,40.19,71.62,68.51,71.99,34.0,-7.0,-63.46],[305,39.61,70.89,67.89,71.93,34.37,-7.82,-63.82],[310,39.03,70.15,67.26,71.84,34.75,-8.65,-64.14],[315,38.45,69.39,66.62,71.72,35.13,-9.49,-64.43],[320,37.87,68.6,65.97,71.57,35.52,-10.32,-64.68],[325,37.3,67.81,65.32,71.4,35.91,-11.16,-64.88],[330,36.73,66.99,64.66,71.19,36.31,-12.01,-65.04],[335,36.17,66.17,64.0,70.96,36.71,-12.85,-65.16],[340,35.61,65.34,63.33,70.71,37.11,-13.7,-65.24],[345,35.06,64.49,62.66,70.42,37.51,-14.55,-65.27],[350,34.51,63.64,61.99,70.12,37.92,-15.4,-65.25],[355,33.97,62.78,61.31,69.79,38.34,-16.25,-65.2],[360,33.43,61.91,60.63,69.45,38.75,-17.1,-65.09],[365,32.89,61.04,59.95,69.08,39.17,-17.96,-64.95],[370,32.36,60.16,59.27,68.69,39.59,-18.82,-64.76],[375,31.84,59.27,58.58,68.29,40.02,-19.68,-64.52],[380,31.32,58.38,57.9,67.87,40.45,-20.54,-64.25],[385,30.8,57.49,57.21,67.44,40.88,-21.4,-63.94],[390,30.29,56.6,56.52,66.99,41.31,-22.26,-63.59],[395,29.79,55.7,55.83,66.52,41.74,-23.12,-63.2],[400,29.29,54.8,55.15,66.05,42.18,-23.98,-62.78],[405,28.8,53.9,54.46,65.56,42.62,-24.85,-62.33],[410,28.31,53.0,53.77,65.06,43.06,-25.71,-61.84],[415,27.83,52.09,53.09,64.55,43.5,-26.57,-61.33],[420,27.36,51.19,52.4,64.04,43.94,-27.43,-60.78],[425,26.89,50.28,51.71,63.51,44.39,-28.29,-60.21],[430,26.43,49.37,51.03,62.98,44.84,-29.15,-59.62],[435,25.98,48.46,50.35,62.44,45.28,-30.01,-59.0],[440,25.53,47.56,49.67,61.89,45.73,-30.87,-58.36],[445,25.09,46.65,48.99,61.33,46.18,-31.72,-57.7],[450,24.65,45.74,48.31,60.77,46.63,-32.58,-57.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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-17T20:14+08:00","astronomical_dawn_at":"2026-11-18T07:18+08:00","science_end_at":"2026-11-18T07:00+08:00","moon":{"illumination_at_night_start_pct":50.3,"moonless_window":["2026-11-18T01:35+08:00","2026-11-18T07:00+08:00"],"moonless_label":"次日 01:35—次日 07:00"},"target_windows":{"Ou4":{"start_above40":"2026-11-17T20:20+08:00","end_above40":"2026-11-18T00:50+08:00","transit":"2026-11-18T19:23+08:00"},"M33 三角座星系":{"start_above40":"2026-11-17T20:20+08:00","end_above40":"2026-11-18T03:50+08:00","transit":"2026-11-17T23:49+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-17T20:20+08:00","end_above40":"2026-11-18T04:20+08:00","transit":"2026-11-17T23:08+08:00"},"心脏 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-17-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-17T20:20+08:00","end_at":"2026-11-18T00:50+08:00","latest_exposure_start_at":"2026-11-18T00:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":15,"exposure_hours":3.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.91,"maximum_moon_altitude_deg":32.5,"maximum_sun_altitude_deg":-19.06,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-17-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-18T00:50+08:00","end_at":"2026-11-18T01:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月窗到来前补SII/Hα。"},{"id":"2026-11-17-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-18T01:00+08:00","end_at":"2026-11-18T01:25+08:00","latest_exposure_start_at":"2026-11-18T01:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":1,"exposure_hours":0.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":64.8,"maximum_moon_altitude_deg":3.65,"maximum_sun_altitude_deg":-63.67,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-17-4","kind":"overhead","target_id":null,"target_name":"转场至 M33","channel_mode":"—","filters":[],"start_at":"2026-11-18T01:25+08:00","end_at":"2026-11-18T01:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"等待无月边界，定位/导星恢复后再拍宽带。"},{"id":"2026-11-17-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-18T01:35+08:00","end_at":"2026-11-18T03:50+08:00","latest_exposure_start_at":"2026-11-18T03:45+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":22,"exposure_hours":1.833333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.41,"maximum_moon_altitude_deg":-2.1,"maximum_sun_altitude_deg":-54.34,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-17-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-18T03:50+08:00","end_at":"2026-11-18T04:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-17-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-18T04:00+08:00","end_at":"2026-11-18T05:00+08:00","latest_exposure_start_at":"2026-11-18T04:45+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.73,"maximum_moon_altitude_deg":-26.91,"maximum_sun_altitude_deg":-42.81,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-17-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-18T05:00+08:00","end_at":"2026-11-18T05:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-17-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-18T05:10+08:00","end_at":"2026-11-18T07:00+08:00","latest_exposure_start_at":"2026-11-18T06:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":18,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.49,"maximum_moon_altitude_deg":-38.41,"maximum_sun_altitude_deg":-21.28,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-17-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-18T07:00+08:00","end_at":"2026-11-18T07:18+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-17","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-17.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-17.json"},"altitude_plot":{"anchor_at":"2026-11-17T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,72.77,43.4,57.84,45.3,22.55,32.52,-15.49],[5,72.53,44.3,58.52,45.88,22.54,32.55,-16.38],[10,72.27,45.21,59.21,46.47,22.53,32.56,-17.27],[15,71.98,46.12,59.89,47.06,22.53,32.54,-18.16],[20,71.67,47.02,60.57,47.65,22.54,32.5,-19.06],[25,71.32,47.93,61.25,48.25,22.55,32.45,-19.95],[30,70.96,48.84,61.93,48.84,22.58,32.37,-20.85],[35,70.57,49.75,62.61,49.43,22.61,32.26,-21.75],[40,70.17,50.65,63.28,50.03,22.65,32.14,-22.65],[45,69.74,51.56,63.94,50.63,22.69,31.99,-23.55],[50,69.29,52.47,64.61,51.22,22.75,31.83,-24.46],[55,68.83,53.37,65.26,51.82,22.81,31.64,-25.36],[60,68.36,54.27,65.92,52.42,22.88,31.43,-26.27],[65,67.86,55.17,66.56,53.01,22.95,31.2,-27.17],[70,67.36,56.07,67.2,53.61,23.04,30.95,-28.08],[75,66.84,56.97,67.84,54.2,23.13,30.68,-28.98],[80,66.31,57.86,68.46,54.8,23.23,30.4,-29.89],[85,65.78,58.75,69.07,55.39,23.34,30.09,-30.79],[90,65.23,59.64,69.68,55.98,23.45,29.76,-31.7],[95,64.67,60.52,70.27,56.57,23.58,29.41,-32.6],[100,64.11,61.4,70.85,57.16,23.7,29.05,-33.51],[105,63.53,62.27,71.41,57.74,23.84,28.67,-34.41],[110,62.96,63.13,71.96,58.32,23.99,28.27,-35.31],[115,62.37,63.99,72.49,58.9,24.14,27.85,-36.2],[120,61.78,64.84,73.0,59.48,24.3,27.41,-37.1],[125,61.19,65.68,73.49,60.05,24.46,26.96,-37.99],[130,60.59,66.51,73.96,60.61,24.63,26.5,-38.88],[135,59.98,67.33,74.4,61.17,24.81,26.01,-39.77],[140,59.37,68.14,74.81,61.73,25.0,25.52,-40.66],[145,58.76,68.93,75.2,62.28,25.2,25.0,-41.54],[150,58.15,69.7,75.55,62.82,25.4,24.47,-42.42],[155,57.53,70.46,75.86,63.36,25.61,23.93,-43.29],[160,56.92,71.2,76.14,63.89,25.82,23.38,-44.16],[165,56.3,71.91,76.37,64.41,26.04,22.81,-45.02],[170,55.67,72.59,76.57,64.92,26.27,22.22,-45.88],[175,55.05,73.25,76.71,65.42,26.5,21.63,-46.73],[180,54.43,73.87,76.82,65.91,26.75,21.02,-47.57],[185,53.8,74.45,76.87,66.39,26.99,20.4,-48.41],[190,53.18,74.99,76.88,66.85,27.25,19.77,-49.24],[195,52.55,75.49,76.84,67.31,27.51,19.13,-50.06],[200,51.93,75.93,76.75,67.75,27.77,18.48,-50.87],[205,51.3,76.31,76.61,68.17,28.05,17.81,-51.67],[210,50.68,76.63,76.43,68.58,28.33,17.14,-52.46],[215,50.06,76.88,76.21,68.97,28.61,16.46,-53.24],[220,49.43,77.07,75.95,69.34,28.9,15.77,-54.01],[225,48.81,77.17,75.64,69.7,29.2,15.06,-54.76],[230,48.19,77.2,75.3,70.03,29.5,14.35,-55.5],[235,47.57,77.16,74.93,70.34,29.81,13.64,-56.23],[240,46.96,77.04,74.53,70.63,30.12,12.91,-56.94],[245,46.34,76.84,74.09,70.89,30.44,12.17,-57.63],[250,45.73,76.57,73.63,71.13,30.77,11.43,-58.3],[255,45.12,76.24,73.15,71.34,31.1,10.68,-58.95],[260,44.51,75.84,72.65,71.53,31.43,9.92,-59.58],[265,43.9,75.39,72.12,71.68,31.77,9.16,-60.19],[270,43.3,74.89,71.58,71.81,32.12,8.39,-60.77],[275,42.7,74.34,71.02,71.91,32.47,7.61,-61.33],[280,42.1,73.75,70.44,71.98,32.82,6.83,-61.86],[285,41.5,73.12,69.85,72.02,33.18,6.04,-62.36],[290,40.91,72.46,69.25,72.02,33.55,5.25,-62.83],[295,40.32,71.77,68.64,72.0,33.92,4.45,-63.27],[300,39.73,71.05,68.02,71.95,34.29,3.65,-63.67],[305,39.15,70.31,67.39,71.86,34.67,2.84,-64.04],[310,38.57,69.55,66.76,71.75,35.05,2.02,-64.37],[315,37.99,68.77,66.11,71.61,35.44,1.21,-64.66],[320,37.42,67.98,65.46,71.44,35.83,0.38,-64.91],[325,36.86,67.17,64.8,71.24,36.22,-0.44,-65.12],[330,36.29,66.35,64.14,71.01,36.62,-1.27,-65.28],[335,35.73,65.51,63.48,70.76,37.02,-2.1,-65.4],[340,35.18,64.67,62.81,70.49,37.43,-2.94,-65.48],[345,34.63,63.82,62.13,70.19,37.84,-3.78,-65.51],[350,34.08,62.96,61.46,69.87,38.25,-4.62,-65.5],[355,33.54,62.09,60.78,69.52,38.66,-5.47,-65.44],[360,33.0,61.22,60.1,69.16,39.08,-6.31,-65.34],[365,32.47,60.34,59.41,68.78,39.5,-7.16,-65.19],[370,31.95,59.46,58.73,68.38,39.93,-8.01,-65.0],[375,31.43,58.57,58.04,67.96,40.35,-8.87,-64.77],[380,30.91,57.68,57.36,67.53,40.78,-9.72,-64.5],[385,30.4,56.79,56.67,67.08,41.21,-10.58,-64.19],[390,29.9,55.89,55.98,66.62,41.65,-11.44,-63.84],[395,29.4,54.99,55.29,66.15,42.09,-12.3,-63.45],[400,28.9,54.09,54.61,65.67,42.52,-13.16,-63.03],[405,28.42,53.19,53.92,65.17,42.96,-14.02,-62.57],[410,27.94,52.28,53.23,64.66,43.41,-14.88,-62.08],[415,27.46,51.38,52.55,64.15,43.85,-15.74,-61.57],[420,26.99,50.47,51.86,63.62,44.29,-16.61,-61.02],[425,26.53,49.57,51.18,63.09,44.74,-17.47,-60.45],[430,26.07,48.66,50.49,62.55,45.19,-18.33,-59.85],[435,25.62,47.75,49.81,62.01,45.64,-19.19,-59.23],[440,25.18,46.84,49.13,61.45,46.09,-20.06,-58.59],[445,24.74,45.93,48.45,60.89,46.53,-20.92,-57.92],[450,24.32,45.03,47.78,60.33,46.97,-21.78,-57.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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-18-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-18T20:20+08:00","end_at":"2026-11-19T00:45+08:00","latest_exposure_start_at":"2026-11-19T00:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":15,"exposure_hours":3.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.03,"maximum_moon_altitude_deg":38.15,"maximum_sun_altitude_deg":-19.18,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-18-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-19T00:45+08:00","end_at":"2026-11-19T00:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月窗到来前补SII/Hα。"},{"id":"2026-11-18-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-19T00:55+08:00","end_at":"2026-11-19T02:30+08:00","latest_exposure_start_at":"2026-11-19T02:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.44,"maximum_moon_altitude_deg":15.38,"maximum_sun_altitude_deg":-63.47,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-18-4","kind":"overhead","target_id":null,"target_name":"转场至 M33","channel_mode":"—","filters":[],"start_at":"2026-11-19T02:30+08:00","end_at":"2026-11-19T02:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"等待无月边界，定位/导星恢复后再拍宽带。"},{"id":"2026-11-18-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-19T02:40+08:00","end_at":"2026-11-19T03:45+08:00","latest_exposure_start_at":"2026-11-19T03:40+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":11,"exposure_hours":0.916667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.6,"maximum_moon_altitude_deg":-1.97,"maximum_sun_altitude_deg":-55.31,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-11-18-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-19T03:45+08:00","end_at":"2026-11-19T03:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-18-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-19T03:55+08:00","end_at":"2026-11-19T04:55+08:00","latest_exposure_start_at":"2026-11-19T04:40+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.86,"maximum_moon_altitude_deg":-14.89,"maximum_sun_altitude_deg":-43.87,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-11-18-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-19T04:55+08:00","end_at":"2026-11-19T05:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-18-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-19T05:05+08:00","end_at":"2026-11-19T07:00+08:00","latest_exposure_start_at":"2026-11-19T06:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":19,"exposure_hours":1.583333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.4,"maximum_moon_altitude_deg":-26.66,"maximum_sun_altitude_deg":-21.47,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-18-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-19T07:00+08:00","end_at":"2026-11-19T07:19+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-18","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-18.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-18.json"},"altitude_plot":{"anchor_at":"2026-11-18T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,72.59,44.11,58.38,45.76,22.54,36.89,-15.61],[5,72.33,45.02,59.06,46.35,22.53,37.12,-16.5],[10,72.05,45.92,59.75,46.94,22.53,37.33,-17.39],[15,71.74,46.83,60.43,47.53,22.54,37.51,-18.28],[20,71.4,47.74,61.11,48.12,22.55,37.67,-19.18],[25,71.04,48.65,61.79,48.71,22.57,37.81,-20.07],[30,70.66,49.55,62.46,49.31,22.6,37.93,-20.97],[35,70.25,50.46,63.13,49.9,22.64,38.02,-21.87],[40,69.83,51.37,63.8,50.5,22.68,38.09,-22.77],[45,69.39,52.27,64.47,51.1,22.73,38.13,-23.67],[50,68.93,53.18,65.12,51.69,22.79,38.15,-24.57],[55,68.46,54.08,65.78,52.29,22.86,38.15,-25.48],[60,67.97,54.98,66.43,52.89,22.94,38.12,-26.38],[65,67.47,55.88,67.07,53.48,23.02,38.07,-27.29],[70,66.95,56.78,67.7,54.08,23.11,37.99,-28.19],[75,66.43,57.67,68.33,54.67,23.21,37.89,-29.1],[80,65.89,58.56,68.94,55.26,23.31,37.77,-30.01],[85,65.35,59.45,69.55,55.85,23.43,37.63,-30.91],[90,64.79,60.33,70.14,56.44,23.55,37.46,-31.82],[95,64.23,61.21,70.72,57.03,23.68,37.26,-32.72],[100,63.66,62.08,71.29,57.62,23.81,37.05,-33.62],[105,63.08,62.95,71.84,58.2,23.95,36.81,-34.52],[110,62.5,63.81,72.38,58.78,24.1,36.55,-35.42],[115,61.91,64.66,72.89,59.35,24.26,36.27,-36.32],[120,61.31,65.5,73.39,59.92,24.43,35.97,-37.22],[125,60.71,66.34,73.86,60.49,24.6,35.65,-38.11],[130,60.11,67.16,74.31,61.05,24.78,35.3,-39.01],[135,59.5,67.97,74.73,61.61,24.96,34.94,-39.89],[140,58.89,68.76,75.12,62.16,25.15,34.55,-40.78],[145,58.28,69.54,75.47,62.71,25.35,34.15,-41.66],[150,57.67,70.3,75.8,63.24,25.56,33.73,-42.54],[155,57.05,71.04,76.08,63.77,25.77,33.29,-43.41],[160,56.43,71.76,76.33,64.3,25.99,32.83,-44.28],[165,55.81,72.45,76.53,64.81,26.22,32.36,-45.15],[170,55.18,73.11,76.69,65.31,26.45,31.87,-46.0],[175,54.56,73.74,76.8,65.81,26.69,31.36,-46.86],[180,53.94,74.33,76.86,66.29,26.94,30.83,-47.7],[185,53.31,74.88,76.88,66.76,27.19,30.29,-48.54],[190,52.69,75.39,76.85,67.21,27.45,29.74,-49.37],[195,52.06,75.84,76.77,67.66,27.72,29.17,-50.19],[200,51.44,76.23,76.65,68.08,27.99,28.58,-51.01],[205,50.81,76.57,76.48,68.49,28.27,27.99,-51.81],[210,50.19,76.84,76.26,68.89,28.55,27.38,-52.61],[215,49.57,77.03,76.01,69.27,28.84,26.75,-53.39],[220,48.95,77.16,75.71,69.62,29.13,26.12,-54.16],[225,48.33,77.2,75.38,69.96,29.44,25.47,-54.92],[230,47.71,77.17,75.01,70.28,29.74,24.81,-55.66],[235,47.09,77.07,74.62,70.57,30.06,24.14,-56.39],[240,46.47,76.89,74.19,70.84,30.37,23.46,-57.1],[245,45.86,76.64,73.73,71.08,30.7,22.77,-57.79],[250,45.25,76.32,73.26,71.3,31.03,22.07,-58.47],[255,44.64,75.93,72.76,71.49,31.36,21.36,-59.12],[260,44.03,75.49,72.23,71.65,31.7,20.64,-59.76],[265,43.43,75.0,71.69,71.79,32.04,19.91,-60.37],[270,42.82,74.46,71.14,71.89,32.39,19.17,-60.96],[275,42.22,73.88,70.57,71.97,32.75,18.43,-61.52],[280,41.63,73.26,69.98,72.01,33.11,17.68,-62.05],[285,41.03,72.6,69.38,72.03,33.47,16.92,-62.56],[290,40.44,71.92,68.78,72.01,33.84,16.15,-63.03],[295,39.86,71.21,68.16,71.96,34.21,15.38,-63.47],[300,39.27,70.47,67.53,71.89,34.59,14.59,-63.88],[305,38.69,69.71,66.89,71.78,34.97,13.81,-64.25],[310,38.12,68.94,66.25,71.64,35.35,13.02,-64.59],[315,37.54,68.15,65.6,71.48,35.74,12.22,-64.88],[320,36.98,67.34,64.95,71.28,36.14,11.41,-65.13],[325,36.41,66.52,64.28,71.06,36.53,10.61,-65.34],[330,35.85,65.69,63.62,70.82,36.94,9.79,-65.51],[335,35.3,64.85,62.95,70.55,37.34,8.97,-65.64],[340,34.74,64.0,62.28,70.25,37.75,8.15,-65.72],[345,34.2,63.15,61.6,69.94,38.16,7.33,-65.75],[350,33.66,62.28,60.92,69.6,38.57,6.5,-65.74],[355,33.12,61.41,60.24,69.24,38.99,5.66,-65.68],[360,32.59,60.53,59.56,68.86,39.41,4.82,-65.58],[365,32.06,59.65,58.88,68.47,39.84,3.98,-65.44],[370,31.54,58.76,58.19,68.05,40.26,3.14,-65.25],[375,31.02,57.87,57.5,67.62,40.69,2.29,-65.02],[380,30.51,56.98,56.82,67.18,41.12,1.45,-64.74],[385,30.0,56.08,56.13,66.72,41.56,0.6,-64.43],[390,29.5,55.19,55.44,66.25,41.99,-0.26,-64.08],[395,29.01,54.28,54.75,65.77,42.43,-1.11,-63.69],[400,28.52,53.38,54.07,65.28,42.87,-1.97,-63.27],[405,28.04,52.48,53.38,64.77,43.31,-2.83,-62.81],[410,27.56,51.57,52.69,64.26,43.75,-3.69,-62.32],[415,27.09,50.67,52.01,63.74,44.2,-4.55,-61.8],[420,26.63,49.76,51.32,63.21,44.64,-5.41,-61.25],[425,26.17,48.85,50.64,62.67,45.09,-6.27,-60.68],[430,25.72,47.94,49.96,62.12,45.54,-7.13,-60.08],[435,25.27,47.04,49.28,61.57,45.99,-8.0,-59.46],[440,24.84,46.13,48.6,61.01,46.44,-8.86,-58.81],[445,24.41,45.22,47.92,60.45,46.88,-9.72,-58.15],[450,23.98,44.32,47.25,59.88,47.31,-10.59,-57.46],[455,23.57,43.41,46.57,59.31,47.75,-11.45,-56.76],[460,23.16,42.5,45.9,58.74,48.19,-12.31,-56.04],[465,22.76,41.6,45.24,58.16,48.63,-13.17,-55.31],[470,22.36,40.7,44.57,57.57,49.06,-14.03,-54.56],[475,21.97,39.8,43.91,56.99,49.5,-14.89,-53.79],[480,21.6,38.9,43.25,56.4,49.94,-15.75,-53.02],[485,21.22,38.0,42.59,55.81,50.37,-16.61,-52.23],[490,20.86,37.1,41.94,55.22,50.8,-17.46,-51.43],[495,20.5,36.21,41.29,54.63,51.23,-18.31,-50.62],[500,20.16,35.32,40.64,54.03,51.66,-19.16,-49.81],[505,19.82,34.43,40.0,53.44,52.09,-20.01,-48.98],[510,19.49,33.54,39.36,52.84,52.52,-20.85,-48.15],[515,19.16,32.66,38.73,52.25,52.94,-21.69,-47.3],[520,18.85,31.77,38.1,51.65,53.36,-22.53,-46.46],[525,18.54,30.89,37.47,51.05,53.77,-23.36,-45.6],[530,18.25,30.02,36.84,50.46,54.19,-24.19,-44.74],[535,17.96,29.14,36.22,49.86,54.6,-25.02,-43.87],[540,17.68,28.27,35.61,49.26,55.0,-25.84,-43.0],[545,17.41,27.41,35.0,48.67,55.4,-26.66,-42.13],[550,17.14,26.54,34.39,48.08,55.8,-27.47,-41.25],[555,16.89,25.68,33.79,47.48,56.19,-28.28,-40.37],[560,16.65,24.83,33.2,46.89,56.58,-29.08,-39.48],[565,16.41,23.98,32.61,46.3,56.96,-29.87,-38.59],[570,16.19,23.13,32.02,45.72,57.34,-30.66,-37.7],[575,15.97,22.28,31.44,45.13,57.71,-31.45,-36.8],[580,15.77,21.44,30.86,44.55,58.07,-32.22,-35.91],[585,15.57,20.61,30.29,43.96,58.42,-32.99,-35.01],[590,15.38,19.78,29.73,43.38,58.77,-33.75,-34.11],[595,15.2,18.95,29.17,42.81,59.11,-34.5,-33.21],[600,15.03,18.13,28.62,42.23,59.45,-35.25,-32.3],[605,14.88,17.32,28.07,41.66,59.77,-35.98,-31.4],[610,14.73,16.5,27.53,41.09,60.09,-36.71,-30.5],[615,14.59,15.7,26.99,40.53,60.39,-37.42,-29.59],[620,14.46,14.9,26.46,39.97,60.69,-38.13,-28.69],[625,14.34,14.1,25.94,39.41,60.98,-38.82,-27.78],[630,14.23,13.32,25.43,38.85,61.26,-39.51,-26.88],[635,14.13,12.53,24.92,38.3,61.52,-40.18,-25.98],[640,14.04,11.76,24.41,37.75,61.78,-40.84,-25.07],[645,13.97,10.99,23.92,37.21,62.02,-41.48,-24.17],[650,13.9,10.22,23.43,36.66,62.25,-42.11,-23.27],[655,13.84,9.47,22.95,36.13,62.47,-42.73,-22.37],[660,13.79,8.72,22.48,35.6,62.67,-43.33,-21.47],[665,13.75,7.97,22.01,35.07,62.87,-43.92,-20.57],[670,13.72,7.24,21.55,34.54,63.05,-44.49,-19.68],[675,13.7,6.51,21.1,34.03,63.21,-45.04,-18.78],[680,13.7,5.79,20.65,33.51,63.36,-45.58,-17.89],[685,13.7,5.08,20.22,33.0,63.5,-46.09,-17.0],[690,13.71,4.37,19.79,32.5,63.62,-46.59,-16.11],[695,13.73,3.68,19.37,32.0,63.73,-47.07,-15.23],[700,13.77,2.99,18.96,31.5,63.82,-47.53,-14.35],[705,13.81,2.31,18.55,31.02,63.9,-47.97,-13.47],[710,13.86,1.64,18.16,30.53,63.96,-48.38,-12.59],[715,13.93,0.98,17.77,30.05,64.01,-48.77,-11.72],[720,14.0,0.33,17.39,29.58,64.04,-49.14,-10.85]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-11-19T00:55+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":71.2,"transit_at":"2026-11-18T23:45+08:00","windows":{"40":{"moonless_after_ou4":["2026-11-19T02:40+08:00","2026-11-19T03:45+08:00"],"moonless_post_transit":["2026-11-19T02:40+08:00","2026-11-19T03:45+08:00"]},"45":{"moonless_after_ou4":["2026-11-19T02:40+08:00","2026-11-19T03:20+08:00"],"moonless_post_transit":["2026-11-19T02:40+08:00","2026-11-19T03:20+08:00"]}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.2,"transit_at":"2026-11-19T08:06+08:00","windows":{"40":{"moonless_after_ou4":["2026-11-19T02:40+08:00","2026-11-19T07:00+08:00"],"moonless_post_transit":null},"45":{"moonless_after_ou4":["2026-11-19T03:10+08:00","2026-11-19T07:00+08:00"],"moonless_post_transit":null}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.5,"transit_at":"2026-11-19T08:06+08:00","windows":{"40":{"moonless_after_ou4":["2026-11-19T02:40+08:00","2026-11-19T07:00+08:00"],"moonless_post_transit":null},"45":{"moonless_after_ou4":["2026-11-19T03:10+08:00","2026-11-19T07:00+08:00"],"moonless_post_transit":null}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-11-19","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-19T20:12+08:00","astronomical_dawn_at":"2026-11-20T07:20+08:00","science_end_at":"2026-11-20T07:05+08:00","moon":{"illumination_at_night_start_pct":69.8,"moonless_window":["2026-11-20T03:50+08:00","2026-11-20T07:05+08:00"],"moonless_label":"次日 03:50—次日 07:05"},"target_windows":{"Ou4":{"start_above40":"2026-11-19T20:20+08:00","end_above40":"2026-11-20T00:40+08:00","transit":"2026-11-20T19:15+08:00"},"M33 三角座星系":{"start_above40":"2026-11-19T20:20+08:00","end_above40":"2026-11-20T03:40+08:00","transit":"2026-11-19T23:41+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-19T20:20+08:00","end_above40":"2026-11-20T04:15+08:00","transit":"2026-11-19T23:00+08:00"},"心脏 IC1805":{"start_above40":"2026-11-19T20:20+08:00","end_above40":"2026-11-20T06:10+08:00","transit":"2026-11-20T00:40+08:00"},"M81":{"start_above40":"2026-11-20T02:10+08:00","end_above40":"2026-11-20T07:05+08:00","transit":"2026-11-20T08:02+08:00"},"M82":{"start_above40":"2026-11-20T02:10+08:00","end_above40":"2026-11-20T07:05+08:00","transit":"2026-11-20T08:02+08:00"}},"segments":[{"id":"2026-11-19-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-19T20:12+08:00","end_at":"2026-11-19T20:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-19-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-19T20:20+08:00","end_at":"2026-11-20T00:40+08:00","latest_exposure_start_at":"2026-11-20T00:25+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":14,"exposure_hours":3.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.16,"maximum_moon_altitude_deg":44.23,"maximum_sun_altitude_deg":-19.29,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-19-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-20T00:40+08:00","end_at":"2026-11-20T00:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-19-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-20T00:50+08:00","end_at":"2026-11-20T02:20+08:00","latest_exposure_start_at":"2026-11-20T02:05+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.28,"maximum_moon_altitude_deg":27.34,"maximum_sun_altitude_deg":-63.23,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-19-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-20T02:20+08:00","end_at":"2026-11-20T02:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-19-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-20T02:30+08:00","end_at":"2026-11-20T03:45+08:00","latest_exposure_start_at":"2026-11-20T03:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":57.7,"maximum_moon_altitude_deg":11.32,"maximum_sun_altitude_deg":-55.52,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-19-6","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-20T03:45+08:00","end_at":"2026-11-20T03:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-19-7","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-20T03:55+08:00","end_at":"2026-11-20T04:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-19-8","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-20T04:05+08:00","end_at":"2026-11-20T07:05+08:00","latest_exposure_start_at":"2026-11-20T07:00+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":30,"exposure_hours":2.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":50.71,"maximum_moon_altitude_deg":-5.02,"maximum_sun_altitude_deg":-20.76,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-19-9","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-20T07:05+08:00","end_at":"2026-11-20T07:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-19","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-19.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-19.json"},"altitude_plot":{"anchor_at":"2026-11-19T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,72.39,44.82,58.92,46.22,22.53,39.73,-15.73],[5,72.11,45.73,59.6,46.81,22.53,40.17,-16.61],[10,71.8,46.64,60.28,47.4,22.53,40.6,-17.5],[15,71.47,47.54,60.96,47.99,22.55,41.0,-18.39],[20,71.12,48.45,61.64,48.59,22.57,41.39,-19.29],[25,70.74,49.36,62.32,49.18,22.59,41.75,-20.18],[30,70.34,50.27,62.99,49.78,22.63,42.08,-21.08],[35,69.92,51.17,63.66,50.37,22.67,42.4,-21.98],[40,69.49,52.08,64.32,50.97,22.72,42.69,-22.88],[45,69.03,52.98,64.98,51.56,22.78,42.96,-23.78],[50,68.56,53.89,65.64,52.16,22.85,43.2,-24.69],[55,68.08,54.79,66.29,52.76,22.92,43.42,-25.59],[60,67.58,55.69,66.93,53.35,23.0,43.61,-26.49],[65,67.07,56.59,67.57,53.95,23.09,43.78,-27.4],[70,66.54,57.48,68.19,54.54,23.19,43.92,-28.3],[75,66.01,58.37,68.81,55.14,23.29,44.04,-29.21],[80,65.46,59.26,69.42,55.73,23.4,44.12,-30.12],[85,64.91,60.14,70.02,56.32,23.52,44.19,-31.02],[90,64.35,61.02,70.6,56.91,23.65,44.22,-31.93],[95,63.78,61.9,71.17,57.49,23.78,44.23,-32.83],[100,63.2,62.76,71.73,58.07,23.92,44.22,-33.73],[105,62.62,63.63,72.27,58.65,24.07,44.17,-34.63],[110,62.03,64.48,72.79,59.23,24.23,44.1,-35.54],[115,61.44,65.32,73.29,59.8,24.39,44.01,-36.43],[120,60.84,66.16,73.76,60.37,24.56,43.88,-37.33],[125,60.24,66.98,74.21,60.93,24.74,43.74,-38.23],[130,59.63,67.79,74.64,61.49,24.92,43.56,-39.12],[135,59.02,68.59,75.04,62.04,25.11,43.36,-40.01],[140,58.41,69.38,75.4,62.59,25.31,43.14,-40.89],[145,57.8,70.14,75.73,63.13,25.52,42.89,-41.78],[150,57.18,70.88,76.02,63.66,25.73,42.62,-42.66],[155,56.56,71.61,76.28,64.19,25.95,42.32,-43.53],[160,55.94,72.3,76.49,64.7,26.17,42.0,-44.4],[165,55.32,72.97,76.66,65.21,26.4,41.66,-45.27],[170,54.69,73.61,76.78,65.7,26.64,41.29,-46.13],[175,54.07,74.21,76.85,66.18,26.89,40.91,-46.98],[180,53.45,74.77,76.88,66.66,27.14,40.5,-47.83],[185,52.82,75.28,76.86,67.12,27.4,40.07,-48.67],[190,52.2,75.75,76.79,67.56,27.66,39.62,-49.5],[195,51.57,76.16,76.68,67.99,27.93,39.16,-50.33],[200,50.95,76.5,76.52,68.41,28.21,38.67,-51.14],[205,50.32,76.79,76.31,68.81,28.49,38.16,-51.95],[210,49.7,77.0,76.07,69.19,28.78,37.64,-52.74],[215,49.08,77.14,75.78,69.55,29.07,37.1,-53.53],[220,48.46,77.2,75.45,69.89,29.37,36.55,-54.3],[225,47.84,77.19,75.09,70.21,29.68,35.98,-55.06],[230,47.22,77.1,74.7,70.51,29.99,35.39,-55.81],[235,46.6,76.93,74.28,70.78,30.31,34.79,-56.54],[240,45.99,76.7,73.83,71.03,30.63,34.17,-57.25],[245,45.38,76.39,73.36,71.25,30.96,33.54,-57.95],[250,44.77,76.02,72.86,71.45,31.29,32.9,-58.63],[255,44.16,75.59,72.35,71.62,31.63,32.24,-59.29],[260,43.55,75.11,71.81,71.76,31.97,31.58,-59.93],[265,42.95,74.58,71.26,71.87,32.32,30.9,-60.54],[270,42.35,74.01,70.69,71.95,32.67,30.21,-61.14],[275,41.75,73.39,70.11,72.0,33.03,29.5,-61.7],[280,41.16,72.75,69.51,72.03,33.39,28.79,-62.24],[285,40.57,72.07,68.91,72.02,33.76,28.07,-62.75],[290,39.98,71.36,68.29,71.97,34.13,27.34,-63.23],[295,39.4,70.63,67.66,71.9,34.51,26.6,-63.67],[300,38.82,69.88,67.03,71.8,34.89,25.85,-64.08],[305,38.24,69.11,66.39,71.67,35.27,25.1,-64.46],[310,37.67,68.32,65.74,71.51,35.66,24.33,-64.8],[315,37.1,67.52,65.09,71.33,36.05,23.56,-65.09],[320,36.53,66.7,64.43,71.11,36.45,22.78,-65.35],[325,35.97,65.87,63.76,70.87,36.85,22.0,-65.56],[330,35.41,65.03,63.09,70.61,37.25,21.21,-65.74],[335,34.86,64.19,62.42,70.32,37.66,20.41,-65.86],[340,34.31,63.33,61.75,70.01,38.07,19.6,-65.94],[345,33.77,62.47,61.07,69.67,38.48,18.8,-65.98],[350,33.23,61.6,60.39,69.32,38.9,17.98,-65.97],[355,32.7,60.72,59.71,68.94,39.32,17.16,-65.92],[360,32.17,59.84,59.02,68.55,39.74,16.34,-65.82],[365,31.65,58.95,58.34,68.14,40.17,15.51,-65.67],[370,31.13,58.06,57.65,67.72,40.6,14.68,-65.48],[375,30.62,57.17,56.96,67.28,41.03,13.85,-65.25],[380,30.11,56.28,56.28,66.82,41.46,13.01,-64.98],[385,29.61,55.38,55.59,66.35,41.9,12.16,-64.67],[390,29.11,54.48,54.9,65.87,42.34,11.32,-64.31],[395,28.62,53.58,54.21,65.38,42.78,10.47,-63.93],[400,28.14,52.67,53.53,64.88,43.22,9.62,-63.5],[405,27.66,51.77,52.84,64.37,43.66,8.77,-63.04],[410,27.19,50.86,52.15,63.85,44.1,7.91,-62.55],[415,26.73,49.95,51.47,63.32,44.55,7.06,-62.03],[420,26.27,49.05,50.78,62.78,45.0,6.2,-61.48],[425,25.81,48.14,50.1,62.24,45.44,5.34,-60.91],[430,25.37,47.23,49.42,61.69,45.89,4.48,-60.31],[435,24.93,46.32,48.74,61.13,46.34,3.62,-59.68],[440,24.5,45.42,48.07,60.57,46.78,2.75,-59.03],[445,24.07,44.51,47.39,60.01,47.22,1.89,-58.37],[450,23.65,43.6,46.72,59.43,47.66,1.03,-57.68],[455,23.24,42.7,46.05,58.86,48.1,0.16,-56.98],[460,22.84,41.79,45.38,58.28,48.53,-0.7,-56.25],[465,22.44,40.89,44.71,57.7,48.97,-1.57,-55.52],[470,22.06,39.99,44.05,57.11,49.41,-2.43,-54.77],[475,21.68,39.09,43.39,56.53,49.84,-3.29,-54.0],[480,21.3,38.19,42.73,55.94,50.28,-4.15,-53.23],[485,20.94,37.29,42.08,55.35,50.71,-5.02,-52.44],[490,20.58,36.4,41.43,54.75,51.14,-5.88,-51.64],[495,20.23,35.51,40.78,54.16,51.57,-6.73,-50.83],[500,19.89,34.62,40.14,53.57,52.0,-7.59,-50.01],[505,19.56,33.73,39.5,52.97,52.42,-8.45,-49.18],[510,19.23,32.84,38.86,52.37,52.85,-9.3,-48.35],[515,18.91,31.96,38.23,51.78,53.27,-10.15,-47.5],[520,18.61,31.08,37.6,51.18,53.68,-11.0,-46.65],[525,18.31,30.2,36.98,50.58,54.1,-11.85,-45.8],[530,18.02,29.33,36.36,49.99,54.51,-12.69,-44.94],[535,17.74,28.46,35.74,49.39,54.92,-13.53,-44.07],[540,17.46,27.59,35.13,48.8,55.32,-14.37,-43.2],[545,17.2,26.73,34.52,48.2,55.72,-15.2,-42.32],[550,16.94,25.87,33.92,47.61,56.11,-16.03,-41.44],[555,16.7,25.01,33.32,47.02,56.5,-16.85,-40.56],[560,16.46,24.16,32.73,46.43,56.88,-17.67,-39.67],[565,16.23,23.31,32.14,45.84,57.26,-18.49,-38.78],[570,16.02,22.46,31.56,45.25,57.63,-19.3,-37.89],[575,15.81,21.62,30.99,44.67,57.99,-20.11,-36.99],[580,15.61,20.79,30.41,44.09,58.35,-20.91,-36.1],[585,15.42,19.96,29.85,43.51,58.7,-21.71,-35.2],[590,15.24,19.13,29.29,42.93,59.04,-22.5,-34.3],[595,15.07,18.31,28.73,42.36,59.38,-23.28,-33.4],[600,14.91,17.49,28.19,41.78,59.7,-24.06,-32.49],[605,14.76,16.68,27.64,41.21,60.02,-24.83,-31.59],[610,14.62,15.87,27.11,40.65,60.33,-25.59,-30.69],[615,14.49,15.07,26.58,40.08,60.63,-26.35,-29.78],[620,14.37,14.27,26.05,39.53,60.92,-27.1,-28.88],[625,14.25,13.48,25.54,38.97,61.2,-27.84,-27.97],[630,14.15,12.7,25.03,38.42,61.47,-28.57,-27.07],[635,14.06,11.92,24.52,37.87,61.72,-29.29,-26.16],[640,13.98,11.15,24.02,37.32,61.97,-30.01,-25.26],[645,13.91,10.39,23.53,36.78,62.2,-30.71,-24.36],[650,13.85,9.63,23.05,36.24,62.42,-31.4,-23.46],[655,13.8,8.88,22.58,35.71,62.63,-32.09,-22.56],[660,13.76,8.13,22.11,35.18,62.83,-32.76,-21.66],[665,13.73,7.4,21.65,34.66,63.01,-33.42,-20.76],[670,13.71,6.67,21.19,34.14,63.18,-34.07,-19.87],[675,13.7,5.94,20.75,33.62,63.33,-34.7,-18.97],[680,13.7,5.23,20.31,33.11,63.47,-35.33,-18.08],[685,13.71,4.52,19.88,32.61,63.6,-35.94,-17.19],[690,13.73,3.83,19.46,32.1,63.71,-36.53,-16.31],[695,13.76,3.14,19.05,31.61,63.8,-37.11,-15.42],[700,13.8,2.46,18.64,31.12,63.88,-37.68,-14.54],[705,13.85,1.78,18.24,30.63,63.95,-38.23,-13.66],[710,13.91,1.12,17.85,30.16,64.0,-38.77,-12.79],[715,13.98,0.47,17.47,29.68,64.03,-39.29,-11.92],[720,14.07,-0.18,17.1,29.21,64.05,-39.79,-11.05]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-11-20T00:50+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":71.4,"transit_at":"2026-11-19T23:41+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.1,"transit_at":"2026-11-20T08:02+08:00","windows":{"40":{"moonless_after_ou4":["2026-11-20T03:50+08:00","2026-11-20T07:05+08:00"],"moonless_post_transit":null},"45":{"moonless_after_ou4":["2026-11-20T03:50+08:00","2026-11-20T07:05+08:00"],"moonless_post_transit":null}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.4,"transit_at":"2026-11-20T08:02+08:00","windows":{"40":{"moonless_after_ou4":["2026-11-20T03:50+08:00","2026-11-20T07:05+08:00"],"moonless_post_transit":null},"45":{"moonless_after_ou4":["2026-11-20T03:50+08:00","2026-11-20T07:05+08:00"],"moonless_post_transit":null}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-11-20","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-20T20:12+08:00","astronomical_dawn_at":"2026-11-21T07:21+08:00","science_end_at":"2026-11-21T07:05+08:00","moon":{"illumination_at_night_start_pct":79.0,"moonless_window":["2026-11-21T05:00+08:00","2026-11-21T07:05+08:00"],"moonless_label":"次日 05:00—次日 07:05"},"target_windows":{"Ou4":{"start_above40":"2026-11-20T20:20+08:00","end_above40":"2026-11-21T00:40+08:00","transit":"2026-11-21T19:11+08:00"},"M33 三角座星系":{"start_above40":"2026-11-20T20:20+08:00","end_above40":"2026-11-21T03:40+08:00","transit":"2026-11-20T23:37+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-20T20:20+08:00","end_above40":"2026-11-21T04:10+08:00","transit":"2026-11-20T22:56+08:00"},"心脏 IC1805":{"start_above40":"2026-11-20T20:20+08:00","end_above40":"2026-11-21T06:05+08:00","transit":"2026-11-21T00:36+08:00"},"M81":{"start_above40":"2026-11-21T02:05+08:00","end_above40":"2026-11-21T07:05+08:00","transit":"2026-11-21T07:58+08:00"},"M82":{"start_above40":"2026-11-21T02:05+08:00","end_above40":"2026-11-21T07:05+08:00","transit":"2026-11-21T07:59+08:00"}},"segments":[{"id":"2026-11-20-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-20T20:12+08:00","end_at":"2026-11-20T20:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-20-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-20T20:20+08:00","end_at":"2026-11-21T00:40+08:00","latest_exposure_start_at":"2026-11-21T00:25+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":14,"exposure_hours":3.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.7,"maximum_moon_altitude_deg":50.59,"maximum_sun_altitude_deg":-19.4,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-20-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-21T00:40+08:00","end_at":"2026-11-21T00:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-20-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-21T00:50+08:00","end_at":"2026-11-21T02:20+08:00","latest_exposure_start_at":"2026-11-21T02:05+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.73,"maximum_moon_altitude_deg":38.75,"maximum_sun_altitude_deg":-63.41,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-20-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-21T02:20+08:00","end_at":"2026-11-21T02:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-20-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-21T02:30+08:00","end_at":"2026-11-21T04:50+08:00","latest_exposure_start_at":"2026-11-21T04:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":7,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.52,"maximum_moon_altitude_deg":23.31,"maximum_sun_altitude_deg":-45.13,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-20-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-21T04:50+08:00","end_at":"2026-11-21T05:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-20-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-21T05:00+08:00","end_at":"2026-11-21T07:05+08:00","latest_exposure_start_at":"2026-11-21T07:00+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":21,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.63,"maximum_moon_altitude_deg":-2.4,"maximum_sun_altitude_deg":-20.95,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-20-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-21T07:05+08:00","end_at":"2026-11-21T07:21+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-20","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-20.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-20.json"},"altitude_plot":{"anchor_at":"2026-11-20T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,72.17,45.53,59.45,46.68,22.53,40.51,-15.84],[5,71.87,46.44,60.14,47.27,22.53,41.15,-16.72],[10,71.55,47.35,60.82,47.87,22.54,41.78,-17.61],[15,71.2,48.26,61.5,48.46,22.56,42.4,-18.5],[20,70.82,49.17,62.17,49.05,22.59,43.0,-19.4],[25,70.43,50.07,62.85,49.65,22.62,43.58,-20.29],[30,70.01,50.98,63.52,50.24,22.66,44.14,-21.19],[35,69.58,51.89,64.18,50.84,22.71,44.68,-22.09],[40,69.13,52.79,64.84,51.44,22.77,45.21,-22.99],[45,68.66,53.69,65.5,52.03,22.83,45.71,-23.89],[50,68.18,54.6,66.15,52.63,22.9,46.2,-24.79],[55,67.68,55.5,66.79,53.23,22.98,46.66,-25.69],[60,67.18,56.39,67.43,53.82,23.07,47.1,-26.6],[65,66.65,57.29,68.06,54.42,23.17,47.52,-27.5],[70,66.12,58.18,68.68,55.01,23.27,47.91,-28.41],[75,65.58,59.07,69.29,55.6,23.38,48.28,-29.31],[80,65.03,59.96,69.89,56.19,23.5,48.62,-30.22],[85,64.47,60.84,70.48,56.78,23.62,48.94,-31.12],[90,63.9,61.71,71.05,57.37,23.75,49.23,-32.03],[95,63.33,62.58,71.61,57.95,23.89,49.5,-32.93],[100,62.75,63.44,72.15,58.53,24.04,49.73,-33.84],[105,62.16,64.3,72.68,59.11,24.19,49.94,-34.74],[110,61.57,65.14,73.18,59.68,24.35,50.12,-35.64],[115,60.97,65.98,73.66,60.25,24.52,50.28,-36.54],[120,60.37,66.81,74.12,60.81,24.7,50.4,-37.44],[125,59.76,67.62,74.55,61.37,24.88,50.49,-38.33],[130,59.15,68.42,74.95,61.93,25.07,50.56,-39.23],[135,58.54,69.21,75.33,62.47,25.27,50.59,-40.12],[140,57.93,69.98,75.66,63.02,25.47,50.59,-41.0],[145,57.31,70.73,75.96,63.55,25.68,50.57,-41.89],[150,56.69,71.45,76.23,64.07,25.9,50.51,-42.77],[155,56.07,72.16,76.45,64.59,26.12,50.42,-43.64],[160,55.45,72.83,76.62,65.1,26.35,50.31,-44.52],[165,54.83,73.48,76.76,65.6,26.59,50.16,-45.38],[170,54.2,74.08,76.84,66.08,26.83,49.99,-46.24],[175,53.58,74.65,76.88,66.56,27.08,49.79,-47.1],[180,52.95,75.18,76.87,67.02,27.34,49.56,-47.95],[185,52.33,75.65,76.81,67.47,27.6,49.3,-48.79],[190,51.7,76.07,76.71,67.9,27.87,49.02,-49.62],[195,51.08,76.43,76.55,68.32,28.15,48.71,-50.45],[200,50.46,76.73,76.36,68.72,28.43,48.37,-51.27],[205,49.83,76.96,76.12,69.11,28.71,48.01,-52.08],[210,49.21,77.11,75.84,69.47,29.01,47.63,-52.88],[215,48.59,77.19,75.53,69.82,29.31,47.22,-53.66],[220,47.97,77.2,75.17,70.14,29.61,46.79,-54.44],[225,47.35,77.12,74.79,70.45,29.92,46.33,-55.2],[230,46.74,76.97,74.37,70.72,30.24,45.86,-55.95],[235,46.12,76.75,73.93,70.98,30.56,45.36,-56.68],[240,45.51,76.46,73.46,71.21,30.88,44.84,-57.4],[245,44.9,76.1,72.97,71.41,31.22,44.31,-58.1],[250,44.29,75.69,72.46,71.59,31.55,43.76,-58.79],[255,43.68,75.22,71.93,71.73,31.9,43.18,-59.45],[260,43.08,74.7,71.38,71.85,32.24,42.6,-60.09],[265,42.48,74.13,70.81,71.94,32.6,41.99,-60.71],[270,41.88,73.53,70.23,72.0,32.95,41.37,-61.31],[275,41.29,72.89,69.64,72.02,33.31,40.74,-61.88],[280,40.7,72.21,69.04,72.02,33.68,40.09,-62.42],[285,40.11,71.51,68.42,71.99,34.05,39.43,-62.93],[290,39.52,70.79,67.8,71.92,34.43,38.75,-63.41],[295,38.94,70.04,67.17,71.83,34.81,38.06,-63.86],[300,38.36,69.27,66.53,71.7,35.19,37.36,-64.28],[305,37.79,68.49,65.88,71.55,35.58,36.65,-64.66],[310,37.22,67.69,65.23,71.37,35.97,35.93,-65.0],[315,36.65,66.87,64.57,71.16,36.36,35.2,-65.3],[320,36.09,66.05,63.9,70.93,36.76,34.46,-65.56],[325,35.53,65.21,63.24,70.67,37.17,33.71,-65.78],[330,34.98,64.37,62.57,70.38,37.57,32.95,-65.95],[335,34.43,63.51,61.89,70.07,37.98,32.18,-66.08],[340,33.89,62.65,61.21,69.74,38.4,31.4,-66.17],[345,33.35,61.78,60.53,69.39,38.81,30.62,-66.21],[350,32.81,60.91,59.85,69.02,39.23,29.83,-66.2],[355,32.28,60.03,59.17,68.64,39.65,29.04,-66.15],[360,31.76,59.14,58.48,68.23,40.08,28.23,-66.05],[365,31.24,58.26,57.8,67.81,40.51,27.42,-65.91],[370,30.73,57.36,57.11,67.37,40.94,26.61,-65.72],[375,30.22,56.47,56.42,66.92,41.37,25.79,-65.49],[380,29.72,55.57,55.73,66.45,41.8,24.97,-65.21],[385,29.22,54.67,55.05,65.98,42.24,24.14,-64.9],[390,28.73,53.77,54.36,65.49,42.68,23.31,-64.55],[395,28.24,52.86,53.67,64.99,43.12,22.47,-64.16],[400,27.76,51.96,52.99,64.48,43.56,21.63,-63.73],[405,27.29,51.05,52.3,63.96,44.01,20.79,-63.27],[410,26.82,50.15,51.61,63.43,44.45,19.94,-62.78],[415,26.36,49.24,50.93,62.9,44.9,19.09,-62.26],[420,25.91,48.33,50.25,62.36,45.35,18.24,-61.71],[425,25.46,47.42,49.57,61.81,45.8,17.39,-61.13],[430,25.02,46.52,48.89,61.25,46.25,16.53,-60.53],[435,24.59,45.61,48.21,60.69,46.69,15.67,-59.9],[440,24.16,44.7,47.54,60.13,47.13,14.81,-59.25],[445,23.74,43.8,46.86,59.56,47.56,13.95,-58.58],[450,23.33,42.89,46.19,58.98,48.0,13.09,-57.9],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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-21T20:11+08:00","astronomical_dawn_at":"2026-11-22T07:22+08:00","science_end_at":"2026-11-22T07:05+08:00","moon":{"illumination_at_night_start_pct":87.1,"moonless_window":["2026-11-22T06:15+08:00","2026-11-22T07:05+08:00"],"moonless_label":"次日 06:15—次日 07:05"},"target_windows":{"Ou4":{"start_above40":"2026-11-21T20:20+08:00","end_above40":"2026-11-22T00:35+08:00","transit":"2026-11-22T19:07+08:00"},"M33 三角座星系":{"start_above40":"2026-11-21T20:20+08:00","end_above40":"2026-11-22T03:35+08:00","transit":"2026-11-21T23:33+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-21T20:20+08:00","end_above40":"2026-11-22T04:05+08:00","transit":"2026-11-21T22:52+08:00"},"心脏 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-21-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-21T20:20+08:00","end_at":"2026-11-22T00:35+08:00","latest_exposure_start_at":"2026-11-22T00:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":14,"exposure_hours":3.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.82,"maximum_moon_altitude_deg":56.97,"maximum_sun_altitude_deg":-19.5,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-21-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-22T00:35+08:00","end_at":"2026-11-22T00:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-21-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-22T00:45+08:00","end_at":"2026-11-22T02:15+08:00","latest_exposure_start_at":"2026-11-22T02:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.88,"maximum_moon_altitude_deg":50.7,"maximum_sun_altitude_deg":-63.11,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-21-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-22T02:15+08:00","end_at":"2026-11-22T02:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-21-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-22T02:25+08:00","end_at":"2026-11-22T06:00+08:00","latest_exposure_start_at":"2026-11-22T05:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.89,"maximum_moon_altitude_deg":36.47,"maximum_sun_altitude_deg":-32.87,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-21-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-22T06:00+08:00","end_at":"2026-11-22T06:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-21-7","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-22T06:10+08:00","end_at":"2026-11-22T06:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-21-8","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-11-22T06:15+08:00","end_at":"2026-11-22T07:05+08:00","latest_exposure_start_at":"2026-11-22T07:00+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":8,"exposure_hours":0.666667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.08,"maximum_moon_altitude_deg":-2.51,"maximum_sun_altitude_deg":-21.14,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-11-21-9","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-22T07:05+08:00","end_at":"2026-11-22T07:22+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-21","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-21.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-21.json"},"altitude_plot":{"anchor_at":"2026-11-21T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,71.94,46.25,59.99,47.15,22.53,38.83,-15.94],[5,71.62,47.16,60.67,47.74,22.54,39.63,-16.83],[10,71.27,48.06,61.35,48.33,22.56,40.42,-17.71],[15,70.9,48.97,62.03,48.93,22.58,41.19,-18.6],[20,70.51,49.88,62.7,49.52,22.61,41.96,-19.5],[25,70.1,50.79,63.37,50.12,22.65,42.72,-20.39],[30,69.67,51.69,64.04,50.71,22.7,43.47,-21.29],[35,69.23,52.6,64.7,51.31,22.76,44.2,-22.18],[40,68.76,53.5,65.36,51.91,22.82,44.93,-23.08],[45,68.28,54.4,66.01,52.5,22.89,45.64,-23.99],[50,67.79,55.3,66.66,53.1,22.97,46.34,-24.89],[55,67.29,56.2,67.3,53.69,23.05,47.02,-25.79],[60,66.77,57.1,67.93,54.29,23.15,47.69,-26.69],[65,66.24,57.99,68.55,54.88,23.25,48.34,-27.6],[70,65.7,58.88,69.16,55.48,23.35,48.98,-28.5],[75,65.15,59.77,69.76,56.07,23.47,49.6,-29.41],[80,64.59,60.65,70.35,56.66,23.59,50.2,-30.32],[85,64.02,61.52,70.93,57.24,23.72,50.78,-31.22],[90,63.45,62.39,71.49,57.83,23.86,51.34,-32.13],[95,62.87,63.26,72.04,58.41,24.01,51.88,-33.03],[100,62.29,64.12,72.57,58.99,24.16,52.4,-33.93],[105,61.69,64.96,73.07,59.56,24.32,52.9,-34.84],[110,61.1,65.8,73.56,60.13,24.49,53.37,-35.74],[115,60.5,66.63,74.02,60.69,24.66,53.82,-36.64],[120,59.89,67.45,74.46,61.25,24.84,54.24,-37.54],[125,59.28,68.25,74.87,61.81,25.03,54.63,-38.43],[130,58.67,69.04,75.25,62.36,25.22,55.0,-39.33],[135,58.06,69.82,75.59,62.9,25.43,55.33,-40.22],[140,57.44,70.57,75.9,63.44,25.64,55.64,-41.11],[145,56.82,71.3,76.17,63.96,25.85,55.92,-41.99],[150,56.2,72.01,76.4,64.48,26.07,56.17,-42.87],[155,55.58,72.69,76.59,64.99,26.3,56.38,-43.75],[160,54.96,73.34,76.73,65.49,26.54,56.56,-44.62],[165,54.34,73.96,76.83,65.98,26.78,56.71,-45.49],[170,53.71,74.53,76.87,66.46,27.03,56.83,-46.35],[175,53.09,75.07,76.88,66.92,27.28,56.91,-47.21],[180,52.46,75.56,76.83,67.37,27.55,56.96,-48.06],[185,51.84,75.99,76.73,67.81,27.81,56.97,-48.9],[190,51.21,76.36,76.59,68.23,28.09,56.95,-49.74],[195,50.59,76.67,76.4,68.64,28.37,56.9,-50.57],[200,49.97,76.92,76.18,69.03,28.65,56.81,-51.39],[205,49.34,77.09,75.91,69.4,28.94,56.68,-52.2],[210,48.72,77.18,75.6,69.75,29.24,56.53,-53.0],[215,48.1,77.2,75.25,70.08,29.55,56.34,-53.79],[220,47.48,77.14,74.87,70.38,29.85,56.12,-54.57],[225,46.87,77.01,74.47,70.67,30.17,55.87,-55.33],[230,46.25,76.81,74.03,70.93,30.49,55.58,-56.08],[235,45.64,76.53,73.57,71.16,30.81,55.27,-56.82],[240,45.03,76.19,73.08,71.37,31.15,54.93,-57.54],[245,44.42,75.78,72.57,71.55,31.48,54.56,-58.25],[250,43.81,75.32,72.04,71.7,31.82,54.16,-58.93],[255,43.21,74.81,71.5,71.83,32.17,53.74,-59.6],[260,42.61,74.26,70.93,71.92,32.52,53.29,-60.25],[265,42.01,73.66,70.36,71.99,32.88,52.82,-60.87],[270,41.41,73.03,69.77,72.02,33.24,52.32,-61.47],[275,40.82,72.36,69.17,72.02,33.6,51.8,-62.04],[280,40.23,71.67,68.55,72.0,33.97,51.26,-62.59],[285,39.65,70.94,67.93,71.94,34.35,50.7,-63.11],[290,39.06,70.2,67.3,71.85,34.72,50.12,-63.59],[295,38.49,69.44,66.66,71.73,35.11,49.52,-64.05],[300,37.91,68.66,66.02,71.59,35.49,48.9,-64.47],[305,37.34,67.86,65.37,71.41,35.88,48.27,-64.85],[310,36.77,67.05,64.71,71.21,36.28,47.62,-65.19],[315,36.21,66.23,64.05,70.98,36.68,46.96,-65.5],[320,35.65,65.39,63.38,70.72,37.08,46.28,-65.76],[325,35.1,64.55,62.71,70.44,37.49,45.59,-65.99],[330,34.55,63.7,62.04,70.14,37.89,44.88,-66.16],[335,34.0,62.84,61.36,69.82,38.31,44.17,-66.3],[340,33.46,61.97,60.68,69.47,38.72,43.44,-66.39],[345,32.93,61.09,60.0,69.11,39.14,42.7,-66.43],[350,32.4,60.22,59.31,68.72,39.56,41.95,-66.42],[355,31.87,59.33,58.63,68.32,39.99,41.19,-66.37],[360,31.35,58.45,57.94,67.9,40.42,40.42,-66.27],[365,30.84,57.55,57.26,67.47,40.85,39.65,-66.13],[370,30.33,56.66,56.57,67.02,41.28,38.86,-65.94],[375,29.82,55.76,55.88,66.56,41.71,38.07,-65.71],[380,29.32,54.86,55.19,66.08,42.15,37.27,-65.44],[385,28.83,53.96,54.51,65.59,42.59,36.47,-65.13],[390,28.35,53.06,53.82,65.1,43.03,35.66,-64.77],[395,27.87,52.15,53.13,64.59,43.47,34.84,-64.38],[400,27.39,51.25,52.45,64.07,43.91,34.02,-63.96],[405,26.92,50.34,51.76,63.55,44.36,33.19,-63.5],[410,26.46,49.43,51.08,63.01,44.81,32.36,-63.0],[415,26.01,48.53,50.39,62.47,45.25,31.53,-62.48],[420,25.56,47.62,49.71,61.92,45.7,30.69,-61.93],[425,25.12,46.71,49.03,61.37,46.15,29.84,-61.35],[430,24.68,45.8,48.36,60.81,46.6,29.0,-60.75],[435,24.25,44.9,47.68,60.25,47.03,28.15,-60.12],[440,23.83,43.99,47.01,59.68,47.47,27.29,-59.47],[445,23.42,43.08,46.33,59.11,47.91,26.44,-58.8],[450,23.01,42.18,45.66,58.53,48.35,25.58,-58.11],[455,22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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-22-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-22T20:20+08:00","end_at":"2026-11-23T00:30+08:00","latest_exposure_start_at":"2026-11-23T00:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":14,"exposure_hours":3.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.95,"maximum_moon_altitude_deg":63.0,"maximum_sun_altitude_deg":-19.59,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-22-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-23T00:30+08:00","end_at":"2026-11-23T00:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-22-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-23T00:40+08:00","end_at":"2026-11-23T02:10+08:00","latest_exposure_start_at":"2026-11-23T01:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.03,"maximum_moon_altitude_deg":61.42,"maximum_sun_altitude_deg":-62.75,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-22-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-23T02:10+08:00","end_at":"2026-11-23T02:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-22-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-23T02:20+08:00","end_at":"2026-11-23T05:55+08:00","latest_exposure_start_at":"2026-11-23T05:40+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.01,"maximum_moon_altitude_deg":49.72,"maximum_sun_altitude_deg":-33.95,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-22-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-23T05:55+08:00","end_at":"2026-11-23T06:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-22-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-23T06:05+08:00","end_at":"2026-11-23T07:05+08:00","latest_exposure_start_at":"2026-11-23T06:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.73,"maximum_moon_altitude_deg":11.79,"maximum_sun_altitude_deg":-21.32,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-22-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-23T07:05+08:00","end_at":"2026-11-23T07:23+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-22","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-22.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-22.json"},"altitude_plot":{"anchor_at":"2026-11-22T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,71.69,46.96,60.53,47.61,22.54,34.66,-16.04],[5,71.35,47.87,61.21,48.21,22.55,35.53,-16.92],[10,70.99,48.78,61.89,48.8,22.58,36.4,-17.81],[15,70.6,49.68,62.56,49.39,22.61,37.27,-18.7],[20,70.19,50.59,63.23,49.99,22.64,38.14,-19.59],[25,69.77,51.5,63.9,50.59,22.69,39.0,-20.48],[30,69.32,52.4,64.56,51.18,22.74,39.85,-21.38],[35,68.86,53.31,65.22,51.78,22.8,40.7,-22.28],[40,68.39,54.21,65.87,52.38,22.87,41.55,-23.18],[45,67.9,55.11,66.52,52.97,22.95,42.39,-24.08],[50,67.39,56.01,67.16,53.57,23.03,43.23,-24.98],[55,66.88,56.91,67.79,54.16,23.12,44.05,-25.88],[60,66.35,57.8,68.42,54.76,23.22,44.88,-26.79],[65,65.81,58.69,69.03,55.35,23.33,45.69,-27.69],[70,65.27,59.58,69.64,55.94,23.44,46.5,-28.6],[75,64.71,60.46,70.23,56.53,23.57,47.29,-29.5],[80,64.15,61.34,70.81,57.12,23.7,48.08,-30.41],[85,63.57,62.21,71.37,57.7,23.83,48.86,-31.31],[90,63.0,63.07,71.92,58.28,23.98,49.63,-32.22],[95,62.41,63.93,72.45,58.86,24.13,50.39,-33.12],[100,61.82,64.78,72.97,59.44,24.28,51.14,-34.03],[105,61.23,65.62,73.46,60.01,24.45,51.87,-34.93],[110,60.63,66.46,73.93,60.57,24.62,52.59,-35.83],[115,60.02,67.28,74.37,61.14,24.8,53.3,-36.73],[120,59.41,68.08,74.79,61.69,24.99,53.99,-37.63],[125,58.8,68.88,75.17,62.24,25.18,54.66,-38.53],[130,58.19,69.65,75.52,62.79,25.38,55.32,-39.42],[135,57.58,70.41,75.84,63.32,25.59,55.96,-40.31],[140,56.96,71.15,76.12,63.85,25.8,56.58,-41.2],[145,56.34,71.86,76.36,64.37,26.03,57.18,-42.09],[150,55.72,72.55,76.55,64.88,26.25,57.76,-42.97],[155,55.09,73.21,76.7,65.38,26.49,58.31,-43.85],[160,54.47,73.83,76.81,65.88,26.73,58.84,-44.72],[165,53.85,74.42,76.87,66.36,26.98,59.34,-45.59],[170,53.22,74.96,76.88,66.82,27.23,59.82,-46.45],[175,52.6,75.46,76.84,67.28,27.49,60.27,-47.31],[180,51.97,75.9,76.76,67.72,27.76,60.69,-48.16],[185,51.35,76.29,76.62,68.14,28.03,61.08,-49.01],[190,50.72,76.61,76.45,68.55,28.31,61.43,-49.85],[195,50.1,76.87,76.23,68.95,28.59,61.75,-50.68],[200,49.48,77.06,75.97,69.32,28.88,62.04,-51.5],[205,48.86,77.17,75.67,69.67,29.18,62.29,-52.31],[210,48.24,77.2,75.33,70.01,29.48,62.51,-53.12],[215,47.62,77.16,74.96,70.32,29.79,62.68,-53.91],[220,47.0,77.05,74.56,70.61,30.1,62.82,-54.69],[225,46.38,76.86,74.12,70.87,30.42,62.92,-55.46],[230,45.77,76.59,73.67,71.11,30.74,62.98,-56.21],[235,45.16,76.26,73.18,71.33,31.07,63.0,-56.95],[240,44.55,75.87,72.68,71.51,31.41,62.98,-57.68],[245,43.94,75.43,72.16,71.67,31.75,62.92,-58.38],[250,43.34,74.93,71.61,71.8,32.09,62.82,-59.07],[255,42.74,74.38,71.06,71.9,32.44,62.68,-59.74],[260,42.14,73.79,70.48,71.97,32.8,62.5,-60.39],[265,41.54,73.16,69.89,72.02,33.16,62.28,-61.02],[270,40.95,72.5,69.3,72.02,33.52,62.03,-61.62],[275,40.36,71.82,68.69,72.0,33.89,61.74,-62.2],[280,39.77,71.1,68.07,71.95,34.26,61.42,-62.75],[285,39.19,70.36,67.44,71.87,34.64,61.07,-63.27],[290,38.61,69.6,66.8,71.76,35.02,60.68,-63.76],[295,38.03,68.83,66.16,71.62,35.41,60.26,-64.22],[300,37.46,68.03,65.51,71.45,35.8,59.82,-64.65],[305,36.89,67.22,64.85,71.25,36.19,59.34,-65.03],[310,36.33,66.4,64.19,71.03,36.59,58.84,-65.38],[315,35.77,65.57,63.52,70.78,36.99,58.31,-65.69],[320,35.22,64.73,62.85,70.51,37.4,57.76,-65.96],[325,34.66,63.88,62.18,70.21,37.81,57.19,-66.19],[330,34.12,63.02,61.5,69.89,38.22,56.59,-66.37],[335,33.58,62.15,60.82,69.55,38.63,55.98,-66.51],[340,33.04,61.28,60.14,69.19,39.05,55.35,-66.6],[345,32.51,60.4,59.46,68.8,39.47,54.69,-66.64],[350,31.98,59.52,58.78,68.41,39.9,54.03,-66.64],[355,31.46,58.64,58.09,67.99,40.32,53.34,-66.59],[360,30.95,57.74,57.4,67.56,40.75,52.64,-66.49],[365,30.43,56.85,56.72,67.11,41.18,51.93,-66.35],[370,29.93,55.95,56.03,66.65,41.62,51.21,-66.17],[375,29.43,55.05,55.34,66.18,42.05,50.47,-65.94],[380,28.94,54.15,54.65,65.7,42.49,49.72,-65.66],[385,28.45,53.25,53.97,65.2,42.93,48.96,-65.35],[390,27.97,52.35,53.28,64.7,43.38,48.19,-65.0],[395,27.49,51.44,52.59,64.18,43.82,47.41,-64.61],[400,27.02,50.53,51.91,63.66,44.26,46.63,-64.18],[405,26.56,49.63,51.22,63.13,44.71,45.83,-63.72],[410,26.1,48.72,50.54,62.59,45.16,45.03,-63.22],[415,25.65,47.81,49.86,62.04,45.61,44.22,-62.7],[420,25.21,46.9,49.18,61.49,46.05,43.41,-62.15],[425,24.77,46.0,48.5,60.93,46.5,42.59,-61.56],[430,24.34,45.09,47.82,60.37,46.94,41.76,-60.96],[435,23.92,44.18,47.15,59.8,47.38,40.93,-60.33],[440,23.51,43.28,46.48,59.23,47.82,40.09,-59.68],[445,23.1,42.37,45.81,58.65,48.25,39.25,-59.01],[450,22.7,41.47,45.14,58.07,48.69,38.41,-58.32],[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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-23-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-23T20:20+08:00","end_at":"2026-11-24T00:25+08:00","latest_exposure_start_at":"2026-11-24T00:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":13,"exposure_hours":3.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.07,"maximum_moon_altitude_deg":67.57,"maximum_sun_altitude_deg":-19.68,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-23-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-24T00:25+08:00","end_at":"2026-11-24T00:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-23-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-24T00:35+08:00","end_at":"2026-11-24T02:05+08:00","latest_exposure_start_at":"2026-11-24T01:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.18,"maximum_moon_altitude_deg":68.17,"maximum_sun_altitude_deg":-62.35,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-23-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-24T02:05+08:00","end_at":"2026-11-24T02:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-23-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-24T02:15+08:00","end_at":"2026-11-24T05:55+08:00","latest_exposure_start_at":"2026-11-24T05:40+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.57,"maximum_moon_altitude_deg":62.31,"maximum_sun_altitude_deg":-34.13,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-23-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-24T05:55+08:00","end_at":"2026-11-24T06:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-23-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-24T06:05+08:00","end_at":"2026-11-24T07:05+08:00","latest_exposure_start_at":"2026-11-24T06:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.96,"maximum_moon_altitude_deg":24.74,"maximum_sun_altitude_deg":-21.5,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-23-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-24T07:05+08:00","end_at":"2026-11-24T07:24+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-23","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-23.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-23.json"},"altitude_plot":{"anchor_at":"2026-11-23T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,71.42,47.68,61.06,48.08,22.55,28.28,-16.13],[5,71.06,48.58,61.74,48.67,22.57,29.17,-17.01],[10,70.68,49.49,62.42,49.27,22.6,30.06,-17.9],[15,70.28,50.4,63.09,49.86,22.63,30.95,-18.79],[20,69.86,51.3,63.76,50.46,22.68,31.83,-19.68],[25,69.42,52.21,64.42,51.05,22.73,32.72,-20.57],[30,68.96,53.12,65.08,51.65,22.79,33.61,-21.47],[35,68.49,54.02,65.73,52.25,22.86,34.5,-22.36],[40,68.0,54.92,66.38,52.84,22.93,35.38,-23.26],[45,67.5,55.82,67.02,53.44,23.01,36.27,-24.16],[50,66.99,56.72,67.66,54.04,23.1,37.15,-25.06],[55,66.46,57.61,68.28,54.63,23.2,38.04,-25.97],[60,65.93,58.5,68.9,55.22,23.31,38.92,-26.87],[65,65.38,59.39,69.51,55.81,23.42,39.8,-27.77],[70,64.83,60.27,70.1,56.4,23.54,40.68,-28.68],[75,64.27,61.15,70.68,56.99,23.67,41.56,-29.58],[80,63.7,62.02,71.25,57.58,23.8,42.43,-30.49],[85,63.12,62.89,71.81,58.16,23.94,43.3,-31.4],[90,62.54,63.75,72.34,58.74,24.09,44.17,-32.3],[95,61.95,64.6,72.86,59.31,24.25,45.04,-33.21],[100,61.35,65.45,73.36,59.89,24.41,45.9,-34.11],[105,60.75,66.28,73.83,60.45,24.58,46.75,-35.01],[110,60.15,67.1,74.28,61.02,24.76,47.61,-35.91],[115,59.54,67.91,74.7,61.57,24.95,48.45,-36.82],[120,58.93,68.71,75.09,62.12,25.14,49.3,-37.71],[125,58.32,69.49,75.45,62.67,25.34,50.13,-38.61],[130,57.71,70.25,75.78,63.21,25.55,50.96,-39.51],[135,57.09,70.99,76.06,63.74,25.76,51.79,-40.4],[140,56.47,71.71,76.31,64.26,25.98,52.6,-41.29],[145,55.85,72.4,76.52,64.77,26.2,53.41,-42.18],[150,55.23,73.07,76.68,65.28,26.44,54.21,-43.06],[155,54.6,73.7,76.79,65.77,26.68,54.99,-43.94],[160,53.98,74.29,76.86,66.25,26.92,55.77,-44.81],[165,53.35,74.85,76.88,66.72,27.17,56.54,-45.68],[170,52.73,75.35,76.85,67.18,27.43,57.29,-46.55],[175,52.1,75.81,76.78,67.63,27.7,58.03,-47.41],[180,51.48,76.21,76.66,68.05,27.97,58.76,-48.26],[185,50.86,76.55,76.49,68.47,28.25,59.47,-49.11],[190,50.23,76.82,76.28,68.86,28.53,60.17,-49.95],[195,49.61,77.02,76.03,69.24,28.82,60.85,-50.78],[200,48.99,77.15,75.73,69.6,29.11,61.5,-51.6],[205,48.37,77.2,75.4,69.94,29.41,62.14,-52.42],[210,47.75,77.18,75.04,70.25,29.72,62.76,-53.22],[215,47.13,77.08,74.64,70.55,30.03,63.35,-54.02],[220,46.51,76.9,74.22,70.82,30.35,63.92,-54.8],[225,45.9,76.66,73.77,71.06,30.67,64.46,-55.57],[230,45.29,76.34,73.29,71.28,31.0,64.97,-56.33],[235,44.68,75.96,72.79,71.48,31.34,65.45,-57.07],[240,44.07,75.53,72.27,71.64,31.68,65.89,-57.8],[245,43.47,75.04,71.73,71.78,32.02,66.3,-58.51],[250,42.86,74.5,71.18,71.89,32.37,66.68,-59.21],[255,42.26,73.92,70.61,71.96,32.72,67.02,-59.88],[260,41.67,73.3,70.02,72.01,33.08,67.31,-60.53],[265,41.07,72.65,69.42,72.03,33.44,67.57,-61.16],[270,40.48,71.97,68.82,72.01,33.81,67.78,-61.77],[275,39.9,71.26,68.2,71.97,34.18,67.95,-62.35],[280,39.31,70.52,67.57,71.89,34.56,68.07,-62.91],[285,38.73,69.77,66.94,71.79,34.94,68.15,-63.43],[290,38.16,68.99,66.29,71.65,35.33,68.17,-63.93],[295,37.58,68.2,65.64,71.49,35.72,68.16,-64.39],[300,37.01,67.4,64.99,71.3,36.11,68.09,-64.82],[305,36.45,66.58,64.33,71.08,36.51,67.98,-65.21],[310,35.89,65.75,63.66,70.84,36.91,67.82,-65.56],[315,35.33,64.91,63.0,70.57,37.31,67.62,-65.88],[320,34.78,64.06,62.32,70.27,37.72,67.38,-66.15],[325,34.23,63.2,61.65,69.96,38.13,67.09,-66.38],[330,33.69,62.34,60.97,69.62,38.54,66.76,-66.57],[335,33.15,61.47,60.29,69.26,38.96,66.4,-66.71],[340,32.62,60.59,59.61,68.89,39.38,66.0,-66.8],[345,32.09,59.71,58.92,68.49,39.81,65.56,-66.85],[350,31.57,58.82,58.24,68.08,40.23,65.09,-66.85],[355,31.06,57.94,57.55,67.65,40.66,64.59,-66.8],[360,30.54,57.04,56.86,67.21,41.09,64.06,-66.71],[365,30.04,56.15,56.18,66.75,41.53,63.5,-66.57],[370,29.54,55.25,55.49,66.28,41.96,62.92,-66.38],[375,29.04,54.35,54.8,65.8,42.4,62.31,-66.15],[380,28.55,53.44,54.11,65.31,42.84,61.69,-65.88],[385,28.07,52.54,53.43,64.81,43.28,61.04,-65.57],[390,27.59,51.63,52.74,64.29,43.72,60.37,-65.21],[395,27.12,50.73,52.05,63.77,44.17,59.68,-64.82],[400,26.66,49.82,51.37,63.24,44.61,58.98,-64.4],[405,26.2,48.91,50.69,62.7,45.06,58.27,-63.93],[410,25.75,48.01,50.0,62.16,45.51,57.53,-63.44],[415,25.3,47.1,49.32,61.61,45.96,56.79,-62.91],[420,24.87,46.19,48.64,61.05,46.41,56.03,-62.36],[425,24.44,45.28,47.97,60.49,46.85,55.27,-61.78],[430,24.01,44.38,47.29,59.92,47.28,54.49,-61.17],[435,23.59,43.47,46.62,59.35,47.72,53.7,-60.54],[440,23.18,42.57,45.95,58.78,48.16,52.91,-59.89],[445,22.78,41.66,45.28,58.2,48.6,52.11,-59.21],[450,22.39,40.76,44.62,57.61,49.03,51.29,-58.52],[455,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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-24T20:10+08:00","astronomical_dawn_at":"2026-11-25T07:25+08:00","science_end_at":"2026-11-25T07:10+08:00","moon":{"illumination_at_night_start_pct":99.8,"moonless_window":null,"moonless_label":"本晚无完整无月暗夜窗口"},"target_windows":{"Ou4":{"start_above40":"2026-11-24T20:20+08:00","end_above40":"2026-11-25T00:25+08:00","transit":"2026-11-25T18:55+08:00"},"M33 三角座星系":{"start_above40":"2026-11-24T20:20+08:00","end_above40":"2026-11-25T03:25+08:00","transit":"2026-11-24T23:21+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-24T20:20+08:00","end_above40":"2026-11-25T03:55+08:00","transit":"2026-11-24T22:40+08:00"},"心脏 IC1805":{"start_above40":"2026-11-24T20:20+08:00","end_above40":"2026-11-25T05:50+08:00","transit":"2026-11-25T00:21+08:00"},"M81":{"start_above40":"2026-11-25T01:50+08:00","end_above40":"2026-11-25T07:10+08:00","transit":"2026-11-25T07:42+08:00"},"M82":{"start_above40":"2026-11-25T01:50+08:00","end_above40":"2026-11-25T07:10+08:00","transit":"2026-11-25T07:43+08:00"}},"segments":[{"id":"2026-11-24-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-24T20:10+08:00","end_at":"2026-11-24T20:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-24-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-24T20:20+08:00","end_at":"2026-11-25T00:25+08:00","latest_exposure_start_at":"2026-11-25T00:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":13,"exposure_hours":3.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.61,"maximum_moon_altitude_deg":65.06,"maximum_sun_altitude_deg":-19.76,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-24-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-25T00:25+08:00","end_at":"2026-11-25T00:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-24-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-25T00:35+08:00","end_at":"2026-11-25T02:00+08:00","latest_exposure_start_at":"2026-11-25T01:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.32,"maximum_moon_altitude_deg":71.92,"maximum_sun_altitude_deg":-62.5,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-24-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-25T02:00+08:00","end_at":"2026-11-25T02:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-24-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-25T02:10+08:00","end_at":"2026-11-25T05:50+08:00","latest_exposure_start_at":"2026-11-25T05:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.69,"maximum_moon_altitude_deg":71.56,"maximum_sun_altitude_deg":-35.22,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-24-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-25T05:50+08:00","end_at":"2026-11-25T06:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-24-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-25T06:00+08:00","end_at":"2026-11-25T07:10+08:00","latest_exposure_start_at":"2026-11-25T06:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.9,"maximum_moon_altitude_deg":38.55,"maximum_sun_altitude_deg":-20.79,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-24-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-25T07:10+08:00","end_at":"2026-11-25T07:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-24","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-24.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-24.json"},"altitude_plot":{"anchor_at":"2026-11-24T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,71.14,48.39,61.6,48.55,22.56,20.23,-16.21],[5,70.77,49.3,62.27,49.14,22.59,21.08,-17.09],[10,70.37,50.2,62.94,49.73,22.63,21.93,-17.98],[15,69.95,51.11,63.61,50.33,22.67,22.79,-18.87],[20,69.52,52.02,64.28,50.93,22.72,23.65,-19.76],[25,69.06,52.92,64.94,51.52,22.78,24.51,-20.65],[30,68.59,53.83,65.59,52.12,22.84,25.37,-21.55],[35,68.11,54.73,66.24,52.72,22.92,26.24,-22.44],[40,67.61,55.63,66.89,53.31,23.0,27.11,-23.34],[45,67.1,56.53,67.52,53.91,23.08,27.98,-24.24],[50,66.58,57.42,68.15,54.5,23.18,28.85,-25.14],[55,66.04,58.31,68.77,55.1,23.28,29.72,-26.04],[60,65.5,59.2,69.38,55.69,23.39,30.6,-26.95],[65,64.95,60.08,69.98,56.28,23.51,31.48,-27.85],[70,64.39,60.96,70.56,56.87,23.64,32.36,-28.76],[75,63.82,61.84,71.13,57.45,23.77,33.23,-29.66],[80,63.24,62.71,71.69,58.04,23.91,34.11,-30.57],[85,62.66,63.57,72.23,58.62,24.06,35.0,-31.47],[90,62.07,64.42,72.75,59.19,24.22,35.88,-32.38],[95,61.48,65.27,73.25,59.76,24.38,36.76,-33.28],[100,60.88,66.1,73.73,60.33,24.55,37.64,-34.19],[105,60.28,66.93,74.18,60.9,24.72,38.52,-35.09],[110,59.67,67.74,74.61,61.45,24.91,39.41,-35.99],[115,59.07,68.54,75.01,62.01,25.1,40.29,-36.89],[120,58.45,69.32,75.38,62.55,25.3,41.17,-37.79],[125,57.84,70.09,75.71,63.09,25.5,42.05,-38.69],[130,57.22,70.83,76.0,63.63,25.71,42.93,-39.59],[135,56.6,71.56,76.26,64.15,25.93,43.81,-40.48],[140,55.98,72.26,76.47,64.67,26.15,44.69,-41.37],[145,55.36,72.93,76.65,65.17,26.39,45.57,-42.26],[150,54.74,73.57,76.77,65.67,26.62,46.44,-43.14],[155,54.11,74.17,76.85,66.15,26.87,47.32,-44.02],[160,53.49,74.73,76.88,66.62,27.12,48.19,-44.9],[165,52.86,75.25,76.86,67.09,27.38,49.05,-45.77],[170,52.24,75.72,76.8,67.53,27.64,49.92,-46.64],[175,51.61,76.13,76.69,67.96,27.91,50.78,-47.5],[180,50.99,76.48,76.53,68.38,28.19,51.64,-48.35],[185,50.37,76.77,76.33,68.78,28.47,52.49,-49.2],[190,49.74,76.99,76.08,69.16,28.76,53.34,-50.04],[195,49.12,77.13,75.8,69.52,29.05,54.18,-50.88],[200,48.5,77.2,75.48,69.87,29.35,55.02,-51.7],[205,47.88,77.19,75.12,70.19,29.66,55.85,-52.52],[210,47.26,77.11,74.73,70.49,29.97,56.68,-53.33],[215,46.65,76.95,74.31,70.76,30.28,57.49,-54.12],[220,46.03,76.71,73.87,71.01,30.6,58.3,-54.91],[225,45.42,76.41,73.39,71.24,30.93,59.1,-55.68],[230,44.81,76.05,72.9,71.44,31.26,59.89,-56.44],[235,44.2,75.62,72.38,71.61,31.6,60.67,-57.19],[240,43.6,75.15,71.85,71.75,31.95,61.44,-57.92],[245,42.99,74.62,71.3,71.86,32.29,62.19,-58.63],[250,42.39,74.05,70.73,71.95,32.65,62.93,-59.33],[255,41.79,73.44,70.15,72.0,33.0,63.66,-60.01],[260,41.2,72.79,69.55,72.02,33.37,64.37,-60.66],[265,40.61,72.11,68.95,72.02,33.73,65.06,-61.3],[270,40.02,71.41,68.33,71.98,34.1,65.72,-61.91],[275,39.44,70.68,67.71,71.91,34.48,66.37,-62.5],[280,38.86,69.93,67.07,71.81,34.86,67.0,-63.06],[285,38.28,69.16,66.43,71.68,35.24,67.59,-63.59],[290,37.71,68.37,65.78,71.53,35.63,68.16,-64.09],[295,37.14,67.57,65.13,71.34,36.03,68.7,-64.55],[300,36.57,66.76,64.47,71.13,36.42,69.21,-64.98],[305,36.01,65.93,63.81,70.89,36.82,69.68,-65.38],[310,35.45,65.09,63.14,70.63,37.23,70.11,-65.74],[315,34.9,64.24,62.47,70.34,37.63,70.5,-66.06],[320,34.35,63.39,61.79,70.03,38.04,70.85,-66.33],[325,33.81,62.52,61.11,69.7,38.46,71.15,-66.57],[330,33.27,61.66,60.43,69.34,38.87,71.41,-66.76],[335,32.74,60.78,59.75,68.97,39.29,71.61,-66.9],[340,32.21,59.9,59.07,68.58,39.72,71.77,-67.0],[345,31.68,59.01,58.38,68.17,40.14,71.87,-67.05],[350,31.17,58.13,57.7,67.75,40.57,71.92,-67.05],[355,30.65,57.23,57.01,67.31,41.0,71.91,-67.01],[360,30.14,56.34,56.32,66.85,41.43,71.85,-66.91],[365,29.64,55.44,55.63,66.39,41.87,71.73,-66.78],[370,29.15,54.54,54.95,65.91,42.31,71.56,-66.59],[375,28.66,53.64,54.26,65.42,42.74,71.34,-66.36],[380,28.17,52.73,53.57,64.92,43.19,71.08,-66.09],[385,27.69,51.83,52.89,64.4,43.63,70.76,-65.78],[390,27.22,50.92,52.2,63.88,44.07,70.4,-65.43],[395,26.76,50.01,51.51,63.36,44.52,70.0,-65.04],[400,26.3,49.11,50.83,62.82,44.97,69.56,-64.61],[405,25.84,48.2,50.15,62.28,45.41,69.08,-64.14],[410,25.4,47.29,49.47,61.73,45.86,68.56,-63.65],[415,24.96,46.38,48.79,61.17,46.31,68.02,-63.12],[420,24.53,45.48,48.11,60.61,46.75,67.44,-62.57],[425,24.1,44.57,47.44,60.04,47.19,66.84,-61.98],[430,23.68,43.66,46.76,59.47,47.63,66.21,-61.38],[435,23.27,42.76,46.09,58.9,48.07,65.56,-60.74],[440,22.87,41.86,45.43,58.32,48.5,64.89,-60.09],[445,22.47,40.95,44.76,57.74,48.94,64.2,-59.42],[450,22.08,40.05,44.1,57.15,49.38,63.49,-58.72],[455,21.7,39.15,43.44,56.57,49.81,62.76,-58.01],[460,21.33,38.25,42.78,55.98,50.25,62.02,-57.28],[465,20.96,37.36,42.12,55.39,50.68,61.27,-56.54],[470,20.6,36.46,41.47,54.79,51.11,60.5,-55.78],[475,20.25,35.57,40.83,54.2,51.54,59.73,-55.01],[480,19.91,34.68,40.18,53.61,51.97,58.94,-54.22],[485,19.58,33.79,39.54,53.01,52.4,58.14,-53.43],[490,19.25,32.9,38.91,52.41,52.82,57.34,-52.62],[495,18.94,32.02,38.27,51.82,53.24,56.52,-51.81],[500,18.63,31.14,37.64,51.22,53.66,55.7,-50.98],[505,18.33,30.26,37.02,50.62,54.07,54.88,-50.15],[510,18.04,29.39,36.4,50.03,54.48,54.05,-49.31],[515,17.75,28.52,35.78,49.43,54.89,53.21,-48.46],[520,17.48,27.65,35.17,48.84,55.29,52.37,-47.61],[525,17.22,26.79,34.56,48.24,55.69,51.52,-46.75],[530,16.96,25.93,33.96,47.65,56.08,50.67,-45.88],[535,16.71,25.07,33.36,47.06,56.47,49.81,-45.01],[540,16.48,24.22,32.77,46.47,56.85,48.96,-44.14],[545,16.25,23.37,32.18,45.88,57.23,48.1,-43.26],[550,16.03,22.52,31.6,45.29,57.6,47.24,-42.38],[555,15.82,21.68,31.02,44.71,57.97,46.37,-41.49],[560,15.62,20.84,30.45,44.13,58.32,45.51,-40.6],[565,15.43,20.01,29.89,43.55,58.68,44.64,-39.71],[570,15.25,19.18,29.33,42.97,59.02,43.77,-38.81],[575,15.08,18.36,28.77,42.39,59.35,42.9,-37.92],[580,14.92,17.54,28.22,41.82,59.68,42.03,-37.02],[585,14.77,16.73,27.68,41.25,60.0,41.16,-36.12],[590,14.63,15.93,27.14,40.69,60.31,40.29,-35.22],[595,14.5,15.12,26.61,40.12,60.61,39.42,-34.31],[600,14.37,14.33,26.09,39.56,60.9,38.55,-33.41],[605,14.26,13.54,25.57,39.01,61.18,37.67,-32.51],[610,14.16,12.75,25.06,38.45,61.45,36.8,-31.6],[615,14.07,11.98,24.56,37.9,61.71,35.93,-30.7],[620,13.99,11.2,24.06,37.36,61.95,35.07,-29.79],[625,13.91,10.44,23.57,36.82,62.19,34.2,-28.89],[630,13.85,9.68,23.08,36.28,62.41,33.33,-27.98],[635,13.8,8.93,22.61,35.75,62.62,32.47,-27.08],[640,13.76,8.18,22.14,35.22,62.81,31.6,-26.18],[645,13.73,7.45,21.68,34.69,63.0,30.74,-25.28],[650,13.71,6.72,21.22,34.17,63.17,29.88,-24.38],[655,13.7,5.99,20.78,33.66,63.32,29.02,-23.48],[660,13.7,5.28,20.34,33.15,63.46,28.16,-22.58],[665,13.71,4.57,19.91,32.64,63.59,27.31,-21.68],[670,13.73,3.87,19.49,32.14,63.7,26.46,-20.79],[675,13.76,3.18,19.07,31.64,63.8,25.61,-19.9],[680,13.8,2.5,18.67,31.15,63.88,24.76,-19.01],[685,13.85,1.83,18.27,30.67,63.94,23.92,-18.12],[690,13.91,1.17,17.88,30.19,63.99,23.08,-17.24],[695,13.98,0.51,17.5,29.71,64.03,22.24,-16.36],[700,14.06,-0.13,17.13,29.25,64.05,21.4,-15.48],[705,14.15,-0.77,16.77,28.78,64.05,20.57,-14.6],[710,14.25,-1.39,16.41,28.33,64.04,19.74,-13.73],[715,14.36,-2.01,16.07,27.88,64.01,18.92,-12.86],[720,14.48,-2.61,15.73,27.43,63.96,18.09,-11.99]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-11-25T00:35+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":70.7,"transit_at":"2026-11-24T23:21+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.5,"transit_at":"2026-11-25T07:42+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.8,"transit_at":"2026-11-25T07:43+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-11-25","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-25T20:09+08:00","astronomical_dawn_at":"2026-11-26T07:26+08:00","science_end_at":"2026-11-26T07:10+08:00","moon":{"illumination_at_night_start_pct":98.7,"moonless_window":null,"moonless_label":"本晚无完整无月暗夜窗口"},"target_windows":{"Ou4":{"start_above40":"2026-11-25T20:15+08:00","end_above40":"2026-11-26T00:20+08:00","transit":"2026-11-26T18:51+08:00"},"M33 三角座星系":{"start_above40":"2026-11-25T20:15+08:00","end_above40":"2026-11-26T03:20+08:00","transit":"2026-11-25T23:18+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-25T20:15+08:00","end_above40":"2026-11-26T03:50+08:00","transit":"2026-11-25T22:36+08:00"},"心脏 IC1805":{"start_above40":"2026-11-25T20:15+08:00","end_above40":"2026-11-26T05:45+08:00","transit":"2026-11-26T00:17+08:00"},"M81":{"start_above40":"2026-11-26T01:45+08:00","end_above40":"2026-11-26T07:10+08:00","transit":"2026-11-26T07:39+08:00"},"M82":{"start_above40":"2026-11-26T01:45+08:00","end_above40":"2026-11-26T07:10+08:00","transit":"2026-11-26T07:39+08:00"}},"segments":[{"id":"2026-11-25-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-25T20:09+08:00","end_at":"2026-11-25T20:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-25-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-25T20:15+08:00","end_at":"2026-11-26T00:20+08:00","latest_exposure_start_at":"2026-11-26T00:05+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":13,"exposure_hours":3.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.74,"maximum_moon_altitude_deg":55.31,"maximum_sun_altitude_deg":-18.94,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-25-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-26T00:20+08:00","end_at":"2026-11-26T00:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-25-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-26T00:30+08:00","end_at":"2026-11-26T02:00+08:00","latest_exposure_start_at":"2026-11-26T01:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.78,"maximum_moon_altitude_deg":70.21,"maximum_sun_altitude_deg":-62.04,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-25-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-26T02:00+08:00","end_at":"2026-11-26T02:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-25-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-26T02:10+08:00","end_at":"2026-11-26T05:45+08:00","latest_exposure_start_at":"2026-11-26T05:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.81,"maximum_moon_altitude_deg":73.68,"maximum_sun_altitude_deg":-36.3,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-25-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-26T05:45+08:00","end_at":"2026-11-26T05:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-25-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-26T05:55+08:00","end_at":"2026-11-26T07:10+08:00","latest_exposure_start_at":"2026-11-26T06:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.84,"maximum_moon_altitude_deg":51.8,"maximum_sun_altitude_deg":-20.97,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-25-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-26T07:10+08:00","end_at":"2026-11-26T07:26+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-25","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-25.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-25.json"},"altitude_plot":{"anchor_at":"2026-11-25T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,70.85,49.1,62.13,49.01,22.58,11.05,-16.29],[5,70.46,50.01,62.8,49.61,22.62,11.84,-17.17],[10,70.04,50.92,63.47,50.2,22.66,12.63,-18.06],[15,69.61,51.82,64.14,50.8,22.71,13.42,-18.94],[20,69.16,52.73,64.8,51.4,22.76,14.22,-19.83],[25,68.69,53.63,65.46,51.99,22.83,15.02,-20.72],[30,68.21,54.54,66.11,52.59,22.9,15.83,-21.62],[35,67.72,55.44,66.75,53.19,22.98,16.64,-22.52],[40,67.21,56.33,67.39,53.78,23.07,17.45,-23.41],[45,66.69,57.23,68.02,54.38,23.16,18.27,-24.31],[50,66.16,58.12,68.64,54.97,23.26,19.09,-25.21],[55,65.62,59.01,69.25,55.56,23.37,19.92,-26.12],[60,65.07,59.9,69.85,56.15,23.49,20.75,-27.02],[65,64.51,60.78,70.44,56.74,23.61,21.58,-27.92],[70,63.94,61.65,71.01,57.33,23.74,22.42,-28.83],[75,63.37,62.52,71.57,57.91,23.88,23.26,-29.73],[80,62.79,63.38,72.12,58.49,24.03,24.1,-30.64],[85,62.2,64.24,72.64,59.07,24.18,24.95,-31.54],[90,61.61,65.09,73.15,59.64,24.34,25.8,-32.45],[95,61.01,65.92,73.63,60.21,24.51,26.65,-33.35],[100,60.41,66.75,74.09,60.78,24.69,27.5,-34.26],[105,59.8,67.57,74.52,61.34,24.87,28.36,-35.16],[110,59.2,68.37,74.93,61.89,25.06,29.22,-36.06],[115,58.58,69.16,75.3,62.44,25.25,30.08,-36.97],[120,57.97,69.93,75.64,62.98,25.46,30.95,-37.87],[125,57.35,70.68,75.94,63.51,25.67,31.81,-38.76],[130,56.73,71.41,76.21,64.04,25.88,32.68,-39.66],[135,56.11,72.11,76.43,64.56,26.11,33.55,-40.55],[140,55.49,72.79,76.61,65.06,26.34,34.42,-41.44],[145,54.87,73.43,76.75,65.56,26.57,35.29,-42.33],[150,54.25,74.04,76.84,66.05,26.82,36.16,-43.22],[155,53.62,74.62,76.88,66.52,27.07,37.04,-44.1],[160,53.0,75.14,76.87,66.99,27.32,37.91,-44.98],[165,52.37,75.62,76.82,67.44,27.58,38.79,-45.85],[170,51.75,76.05,76.71,67.87,27.85,39.66,-46.72],[175,51.12,76.41,76.57,68.29,28.13,40.54,-47.58],[180,50.5,76.71,76.37,68.7,28.41,41.42,-48.44],[185,49.88,76.95,76.14,69.08,28.69,42.29,-49.29],[190,49.25,77.11,75.86,69.45,28.99,43.17,-50.13],[195,48.63,77.19,75.55,69.8,29.29,44.05,-50.96],[200,48.01,77.2,75.2,70.12,29.59,44.93,-51.79],[205,47.39,77.13,74.82,70.43,29.9,45.8,-52.61],[210,46.78,76.99,74.4,70.71,30.21,46.68,-53.42],[215,46.16,76.77,73.96,70.96,30.54,47.55,-54.22],[220,45.55,76.48,73.5,71.19,30.86,48.42,-55.01],[225,44.94,76.13,73.01,71.4,31.19,49.29,-55.78],[230,44.33,75.72,72.49,71.57,31.53,50.16,-56.55],[235,43.72,75.25,71.96,71.72,31.87,51.03,-57.3],[240,43.12,74.73,71.42,71.84,32.22,51.89,-58.03],[245,42.52,74.17,70.85,71.93,32.57,52.75,-58.75],[250,41.92,73.57,70.27,71.99,32.93,53.61,-59.45],[255,41.33,72.93,69.68,72.02,33.29,54.46,-60.13],[260,40.74,72.26,69.08,72.02,33.65,55.31,-60.79],[265,40.15,71.56,68.46,71.99,34.02,56.16,-61.43],[270,39.56,70.84,67.84,71.93,34.4,57.0,-62.04],[275,38.98,70.09,67.21,71.83,34.78,57.83,-62.63],[280,38.4,69.33,66.57,71.71,35.16,58.66,-63.2],[285,37.83,68.54,65.92,71.56,35.55,59.48,-63.73],[290,37.26,67.74,65.27,71.38,35.94,60.29,-64.23],[295,36.69,66.93,64.61,71.18,36.34,61.1,-64.71],[300,36.13,66.11,63.95,70.94,36.74,61.89,-65.14],[305,35.57,65.27,63.28,70.68,37.14,62.67,-65.54],[310,35.02,64.42,62.61,70.4,37.54,63.45,-65.91],[315,34.47,63.57,61.94,70.1,37.95,64.21,-66.23],[320,33.92,62.71,61.26,69.77,38.37,64.95,-66.51],[325,33.38,61.84,60.58,69.42,38.78,65.68,-66.75],[330,32.85,60.97,59.9,69.05,39.2,66.39,-66.94],[335,32.32,60.09,59.21,68.66,39.62,67.09,-67.09],[340,31.79,59.2,58.53,68.26,40.05,67.76,-67.19],[345,31.28,58.32,57.84,67.84,40.48,68.41,-67.24],[350,30.76,57.42,57.16,67.4,40.91,69.04,-67.25],[355,30.25,56.53,56.47,66.95,41.34,69.64,-67.2],[360,29.75,55.63,55.78,66.49,41.77,70.21,-67.12],[365,29.25,54.73,55.09,66.01,42.21,70.75,-66.98],[370,28.76,53.83,54.41,65.52,42.65,71.25,-66.8],[375,28.28,52.93,53.72,65.02,43.09,71.71,-66.57],[380,27.8,52.02,53.03,64.51,43.53,72.13,-66.3],[385,27.32,51.12,52.35,64.0,43.98,72.51,-65.99],[390,26.86,50.21,51.66,63.47,44.42,72.84,-65.63],[395,26.4,49.3,50.98,62.93,44.87,73.11,-65.24],[400,25.94,48.39,50.29,62.39,45.32,73.34,-64.81],[405,25.49,47.49,49.61,61.84,45.77,73.51,-64.35],[410,25.05,46.58,48.93,61.29,46.22,73.62,-63.85],[415,24.62,45.67,48.26,60.73,46.66,73.68,-63.33],[420,24.19,44.76,47.58,60.17,47.1,73.67,-62.77],[425,23.77,43.86,46.91,59.6,47.53,73.61,-62.19],[430,23.36,42.95,46.24,59.02,47.97,73.49,-61.58],[435,22.95,42.05,45.57,58.44,48.41,73.31,-60.95],[440,22.56,41.15,44.9,57.86,48.85,73.08,-60.29],[445,22.16,40.24,44.24,57.28,49.28,72.79,-59.61],[450,21.78,39.34,43.58,56.69,49.72,72.46,-58.92],[455,21.41,38.44,42.92,56.1,50.15,72.07,-58.21],[460,21.04,37.55,42.26,55.51,50.59,71.65,-57.48],[465,20.68,36.65,41.61,54.92,51.02,71.18,-56.73],[470,20.33,35.76,40.96,54.33,51.45,70.67,-55.97],[475,19.98,34.87,40.32,53.73,51.88,70.13,-55.2],[480,19.65,33.98,39.68,53.14,52.3,69.56,-54.41],[485,19.32,33.09,39.04,52.54,52.73,68.96,-53.62],[490,19.0,32.21,38.41,51.94,53.15,68.33,-52.81],[495,18.69,31.33,37.78,51.35,53.57,67.67,-52.0],[500,18.39,30.45,37.15,50.75,53.98,67.0,-51.17],[505,18.1,29.58,36.53,50.15,54.39,66.3,-50.34],[510,17.81,28.7,35.91,49.56,54.8,65.59,-49.5],[515,17.54,27.84,35.3,48.96,55.2,64.86,-48.65],[520,17.27,26.97,34.69,48.37,55.6,64.11,-47.79],[525,17.02,26.11,34.09,47.78,56.0,63.35,-46.93],[530,16.77,25.25,33.49,47.19,56.39,62.58,-46.07],[535,16.53,24.4,32.9,46.6,56.77,61.79,-45.19],[540,16.3,23.55,32.31,46.01,57.15,61.0,-44.32],[545,16.08,22.7,31.73,45.42,57.52,60.19,-43.44],[550,15.87,21.86,31.15,44.83,57.89,59.38,-42.56],[555,15.66,21.02,30.57,44.25,58.25,58.56,-41.67],[560,15.47,20.19,30.01,43.67,58.6,57.73,-40.78],[565,15.29,19.36,29.45,43.09,58.95,56.9,-39.89],[570,15.12,18.54,28.89,42.52,59.28,56.06,-38.99],[575,14.95,17.72,28.34,41.94,59.61,55.22,-38.1],[580,14.8,16.91,27.8,41.37,59.93,54.37,-37.2],[585,14.66,16.1,27.26,40.81,60.24,53.52,-36.3],[590,14.52,15.29,26.73,40.24,60.55,52.66,-35.39],[595,14.4,14.5,26.2,39.68,60.84,51.8,-34.49],[600,14.28,13.71,25.68,39.13,61.12,50.94,-33.59],[605,14.18,12.92,25.17,38.57,61.39,50.07,-32.68],[610,14.09,12.14,24.66,38.02,61.65,49.21,-31.78],[615,14.0,11.37,24.16,37.47,61.9,48.34,-30.87],[620,13.93,10.6,23.67,36.93,62.14,47.47,-29.97],[625,13.87,9.84,23.19,36.39,62.36,46.6,-29.07],[630,13.81,9.09,22.71,35.86,62.57,45.72,-28.16],[635,13.77,8.34,22.24,35.33,62.77,44.85,-27.26],[640,13.74,7.6,21.78,34.8,62.96,43.98,-26.36],[645,13.71,6.87,21.32,34.28,63.13,43.1,-25.46],[650,13.7,6.15,20.87,33.77,63.29,42.23,-24.56],[655,13.7,5.43,20.43,33.25,63.43,41.35,-23.66],[660,13.7,4.72,20.0,32.75,63.56,40.48,-22.76],[665,13.72,4.02,19.58,32.25,63.68,39.6,-21.86],[670,13.75,3.33,19.16,31.75,63.78,38.73,-20.97],[675,13.79,2.65,18.75,31.26,63.86,37.86,-20.08],[680,13.84,1.97,18.35,30.77,63.93,36.98,-19.19],[685,13.89,1.31,17.96,30.29,63.99,36.11,-18.3],[690,13.96,0.65,17.58,29.81,64.02,35.24,-17.42],[695,14.04,0.0,17.21,29.35,64.04,34.38,-16.54],[700,14.13,-0.63,16.84,28.88,64.05,33.51,-15.66],[705,14.23,-1.26,16.49,28.42,64.04,32.64,-14.78],[710,14.34,-1.88,16.14,27.97,64.02,31.78,-13.91],[715,14.46,-2.48,15.8,27.53,63.97,30.92,-13.04],[720,14.58,-3.08,15.47,27.09,63.92,30.06,-12.18]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-11-26T00:30+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":70.8,"transit_at":"2026-11-25T23:18+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.4,"transit_at":"2026-11-26T07:39+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.7,"transit_at":"2026-11-26T07:39+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-11-26","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-26T20:09+08:00","astronomical_dawn_at":"2026-11-27T07:27+08:00","science_end_at":"2026-11-27T07:10+08:00","moon":{"illumination_at_night_start_pct":94.6,"moonless_window":null,"moonless_label":"本晚无完整无月暗夜窗口"},"target_windows":{"Ou4":{"start_above40":"2026-11-26T20:15+08:00","end_above40":"2026-11-27T00:15+08:00","transit":"2026-11-27T18:47+08:00"},"M33 三角座星系":{"start_above40":"2026-11-26T20:15+08:00","end_above40":"2026-11-27T03:15+08:00","transit":"2026-11-26T23:14+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-26T20:15+08:00","end_above40":"2026-11-27T03:45+08:00","transit":"2026-11-26T22:32+08:00"},"心脏 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-26-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-26T20:15+08:00","end_at":"2026-11-27T00:15+08:00","latest_exposure_start_at":"2026-11-27T00:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":13,"exposure_hours":3.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.86,"maximum_moon_altitude_deg":42.73,"maximum_sun_altitude_deg":-19.01,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-26-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-27T00:15+08:00","end_at":"2026-11-27T00:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-26-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-27T00:25+08:00","end_at":"2026-11-27T01:55+08:00","latest_exposure_start_at":"2026-11-27T01:40+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.93,"maximum_moon_altitude_deg":59.77,"maximum_sun_altitude_deg":-61.55,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-26-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-27T01:55+08:00","end_at":"2026-11-27T02:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-26-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-27T02:05+08:00","end_at":"2026-11-27T05:40+08:00","latest_exposure_start_at":"2026-11-27T05:25+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.93,"maximum_moon_altitude_deg":73.17,"maximum_sun_altitude_deg":-37.37,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-26-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-27T05:40+08:00","end_at":"2026-11-27T05:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-26-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-27T05:50+08:00","end_at":"2026-11-27T07:10+08:00","latest_exposure_start_at":"2026-11-27T06:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.78,"maximum_moon_altitude_deg":63.14,"maximum_sun_altitude_deg":-21.15,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-26-8","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-27T07:10+08:00","end_at":"2026-11-27T07:27+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-26","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-26.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-26.json"},"altitude_plot":{"anchor_at":"2026-11-26T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,70.54,49.82,62.66,49.48,22.61,1.29,-16.36],[5,70.13,50.72,63.33,50.08,22.65,1.98,-17.24],[10,69.7,51.63,64.0,50.67,22.7,2.68,-18.12],[15,69.26,52.54,64.66,51.27,22.75,3.39,-19.01],[20,68.8,53.44,65.32,51.87,22.81,4.11,-19.9],[25,68.32,54.34,65.97,52.46,22.88,4.83,-20.79],[30,67.83,55.24,66.61,53.06,22.96,5.56,-21.69],[35,67.32,56.14,67.25,53.65,23.05,6.29,-22.58],[40,66.8,57.04,67.88,54.25,23.14,7.03,-23.48],[45,66.27,57.93,68.51,54.84,23.24,7.78,-24.38],[50,65.73,58.82,69.12,55.44,23.35,8.54,-25.28],[55,65.19,59.71,69.72,56.03,23.46,9.29,-26.18],[60,64.63,60.59,70.31,56.62,23.58,10.06,-27.08],[65,64.06,61.46,70.89,57.2,23.71,10.83,-27.99],[70,63.49,62.34,71.45,57.79,23.85,11.6,-28.89],[75,62.91,63.2,72.0,58.37,24.0,12.39,-29.8],[80,62.32,64.06,72.53,58.95,24.15,13.17,-30.7],[85,61.73,64.91,73.04,59.52,24.31,13.96,-31.61],[90,61.14,65.75,73.53,60.09,24.47,14.76,-32.51],[95,60.54,66.58,73.99,60.66,24.65,15.56,-33.42],[100,59.93,67.39,74.43,61.22,24.83,16.36,-34.32],[105,59.33,68.2,74.84,61.77,25.02,17.17,-35.23],[110,58.71,68.99,75.22,62.32,25.21,17.98,-36.13],[115,58.1,69.76,75.57,62.86,25.41,18.8,-37.03],[120,57.48,70.52,75.88,63.4,25.62,19.62,-37.93],[125,56.87,71.25,76.16,63.93,25.84,20.44,-38.83],[130,56.25,71.96,76.39,64.45,26.06,21.27,-39.73],[135,55.63,72.65,76.58,64.96,26.29,22.1,-40.62],[140,55.0,73.3,76.72,65.46,26.52,22.93,-41.51],[145,54.38,73.92,76.82,65.95,26.76,23.77,-42.4],[150,53.75,74.5,76.87,66.42,27.01,24.61,-43.29],[155,53.13,75.03,76.88,66.89,27.27,25.45,-44.17],[160,52.5,75.52,76.83,67.34,27.53,26.3,-45.05],[165,51.88,75.96,76.74,67.78,27.79,27.15,-45.92],[170,51.26,76.34,76.6,68.2,28.07,28.0,-46.79],[175,50.63,76.65,76.42,68.61,28.35,28.86,-47.65],[180,50.01,76.9,76.19,69.0,28.63,29.71,-48.51],[185,49.39,77.08,75.92,69.37,28.92,30.57,-49.36],[190,48.76,77.18,75.62,69.72,29.22,31.43,-50.21],[195,48.14,77.2,75.28,70.05,29.52,32.29,-51.05],[200,47.53,77.15,74.9,70.36,29.83,33.16,-51.88],[205,46.91,77.02,74.49,70.65,30.15,34.02,-52.7],[210,46.29,76.82,74.06,70.91,30.47,34.89,-53.51],[215,45.68,76.55,73.6,71.15,30.79,35.76,-54.31],[220,45.07,76.21,73.11,71.36,31.12,36.63,-55.1],[225,44.46,75.81,72.61,71.54,31.46,37.5,-55.88],[230,43.85,75.36,72.08,71.69,31.8,38.37,-56.64],[235,43.25,74.85,71.53,71.82,32.14,39.24,-57.4],[240,42.65,74.3,70.97,71.92,32.49,40.11,-58.13],[245,42.05,73.7,70.4,71.98,32.85,40.99,-58.85],[250,41.45,73.07,69.81,72.02,33.21,41.86,-59.56],[255,40.86,72.41,69.21,72.02,33.58,42.73,-60.24],[260,40.27,71.71,68.6,72.0,33.95,43.61,-60.91],[265,39.69,70.99,67.97,71.94,34.32,44.48,-61.55],[270,39.1,70.25,67.34,71.86,34.7,45.35,-62.17],[275,38.52,69.49,66.71,71.74,35.08,46.22,-62.76],[280,37.95,68.71,66.06,71.6,35.47,47.09,-63.33],[285,37.38,67.92,65.41,71.42,35.86,47.96,-63.87],[290,36.81,67.11,64.75,71.22,36.25,48.83,-64.38],[295,36.25,66.28,64.09,70.99,36.65,49.69,-64.85],[300,35.69,65.45,63.42,70.74,37.05,50.55,-65.29],[305,35.13,64.61,62.75,70.46,37.46,51.41,-65.7],[310,34.58,63.75,62.08,70.16,37.87,52.27,-66.07],[315,34.04,62.89,61.4,69.84,38.28,53.12,-66.39],[320,33.5,62.03,60.73,69.5,38.69,53.97,-66.68],[325,32.96,61.15,60.04,69.13,39.11,54.82,-66.92],[330,32.43,60.28,59.36,68.75,39.53,55.66,-67.12],[335,31.91,59.39,58.68,68.35,39.96,56.49,-67.27],[340,31.39,58.51,57.99,67.93,40.39,57.32,-67.37],[345,30.87,57.61,57.3,67.5,40.82,58.15,-67.43],[350,30.36,56.72,56.62,67.05,41.25,58.96,-67.44],[355,29.86,55.82,55.93,66.59,41.68,59.77,-67.4],[360,29.36,54.92,55.24,66.11,42.12,60.57,-67.31],[365,28.87,54.02,54.55,65.63,42.56,61.36,-67.18],[370,28.38,53.12,53.87,65.13,43.0,62.14,-67.0],[375,27.9,52.21,53.18,64.62,43.44,62.91,-66.77],[380,27.42,51.31,52.49,64.11,43.88,63.66,-66.5],[385,26.95,50.4,51.81,63.58,44.33,64.41,-66.19],[390,26.49,49.5,51.12,63.05,44.77,65.13,-65.84],[395,26.04,48.59,50.44,62.51,45.22,65.84,-65.44],[400,25.59,47.68,49.76,61.96,45.67,66.53,-65.02],[405,25.15,46.77,49.08,61.41,46.12,67.2,-64.55],[410,24.71,45.86,48.4,60.85,46.56,67.85,-64.06],[415,24.28,44.96,47.73,60.29,47.0,68.47,-63.53],[420,23.86,44.05,47.05,59.72,47.44,69.07,-62.97],[425,23.45,43.15,46.38,59.14,47.88,69.64,-62.39],[430,23.04,42.24,45.71,58.57,48.32,70.17,-61.78],[435,22.64,41.34,45.04,57.99,48.75,70.67,-61.14],[440,22.25,40.44,44.38,57.4,49.19,71.14,-60.49],[445,21.86,39.54,43.72,56.82,49.63,71.56,-59.81],[450,21.49,38.64,43.06,56.23,50.06,71.94,-59.11],[455,21.12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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-27-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-27T20:15+08:00","end_at":"2026-11-27T20:50+08:00","latest_exposure_start_at":"2026-11-27T20:35+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":1,"exposure_hours":0.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":65.3,"maximum_moon_altitude_deg":-2.31,"maximum_sun_altitude_deg":-19.07,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-27-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-27T20:50+08:00","end_at":"2026-11-27T20:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-27-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-27T20:55+08:00","end_at":"2026-11-28T00:10+08:00","latest_exposure_start_at":"2026-11-27T23:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":11,"exposure_hours":2.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.99,"maximum_moon_altitude_deg":29.25,"maximum_sun_altitude_deg":-26.24,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；临近满月时按背景和透明度筛片。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-27-4","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-28T00:10+08:00","end_at":"2026-11-28T00:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-27-5","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-28T00:20+08:00","end_at":"2026-11-28T01:50+08:00","latest_exposure_start_at":"2026-11-28T01:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.08,"maximum_moon_altitude_deg":46.59,"maximum_sun_altitude_deg":-61.01,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-27-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-28T01:50+08:00","end_at":"2026-11-28T02:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-27-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-28T02:00+08:00","end_at":"2026-11-28T05:35+08:00","latest_exposure_start_at":"2026-11-28T05:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.05,"maximum_moon_altitude_deg":70.5,"maximum_sun_altitude_deg":-38.45,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-27-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-28T05:35+08:00","end_at":"2026-11-28T05:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-27-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-28T05:45+08:00","end_at":"2026-11-28T07:10+08:00","latest_exposure_start_at":"2026-11-28T06:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.71,"maximum_moon_altitude_deg":69.05,"maximum_sun_altitude_deg":-21.32,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-27-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-28T07:10+08:00","end_at":"2026-11-28T07:28+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-27","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-27.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-27.json"},"altitude_plot":{"anchor_at":"2026-11-27T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,70.22,50.53,63.19,49.95,22.64,-8.62,-16.42],[5,69.8,51.44,63.85,50.54,22.69,-8.03,-17.3],[10,69.36,52.34,64.52,51.14,22.74,-7.43,-18.19],[15,68.9,53.25,65.18,51.74,22.8,-6.82,-19.07],[20,68.42,54.15,65.83,52.33,22.87,-6.2,-19.96],[25,67.93,55.05,66.48,52.93,22.94,-5.58,-20.85],[30,67.43,55.95,67.12,53.53,23.03,-4.94,-21.75],[35,66.91,56.85,67.75,54.12,23.12,-4.29,-22.64],[40,66.39,57.74,68.37,54.72,23.22,-3.64,-23.54],[45,65.85,58.63,68.99,55.31,23.32,-2.98,-24.44],[50,65.3,59.52,69.59,55.9,23.44,-2.31,-25.34],[55,64.75,60.4,70.19,56.49,23.56,-1.63,-26.24],[60,64.18,61.28,70.77,57.08,23.69,-0.94,-27.14],[65,63.61,62.15,71.33,57.66,23.82,-0.25,-28.04],[70,63.03,63.02,71.89,58.24,23.96,0.45,-28.95],[75,62.45,63.87,72.42,58.82,24.12,1.16,-29.85],[80,61.86,64.73,72.93,59.4,24.27,1.88,-30.76],[85,61.27,65.57,73.43,59.97,24.44,2.6,-31.66],[90,60.67,66.4,73.9,60.54,24.61,3.33,-32.57],[95,60.06,67.22,74.34,61.1,24.79,4.07,-33.48],[100,59.46,68.03,74.76,61.65,24.98,4.81,-34.38],[105,58.85,68.82,75.15,62.2,25.17,5.56,-35.28],[110,58.23,69.6,75.5,62.75,25.37,6.31,-36.19],[115,57.62,70.36,75.82,63.29,25.58,7.07,-37.09],[120,57.0,71.1,76.1,63.81,25.79,7.84,-37.99],[125,56.38,71.81,76.34,64.34,26.01,8.61,-38.89],[130,55.76,72.5,76.54,64.85,26.24,9.39,-39.79],[135,55.14,73.16,76.7,65.35,26.47,10.17,-40.68],[140,54.51,73.79,76.8,65.84,26.71,10.96,-41.57],[145,53.89,74.38,76.87,66.32,26.96,11.75,-42.46],[150,53.26,74.92,76.88,66.79,27.21,12.55,-43.35],[155,52.64,75.42,76.85,67.25,27.47,13.35,-44.23],[160,52.01,75.87,76.76,67.69,27.74,14.15,-45.11],[165,51.39,76.26,76.64,68.11,28.01,14.96,-45.99],[170,50.76,76.59,76.46,68.53,28.29,15.78,-46.86],[175,50.14,76.85,76.24,68.92,28.57,16.59,-47.72],[180,49.52,77.05,75.99,69.29,28.86,17.42,-48.58],[185,48.9,77.16,75.69,69.65,29.16,18.24,-49.43],[190,48.28,77.2,75.35,69.98,29.46,19.07,-50.28],[195,47.66,77.17,74.98,70.3,29.77,19.9,-51.12],[200,47.04,77.06,74.58,70.59,30.08,20.74,-51.95],[205,46.43,76.87,74.15,70.86,30.4,21.58,-52.77],[210,45.81,76.61,73.7,71.1,30.72,22.42,-53.59],[215,45.2,76.29,73.22,71.31,31.05,23.27,-54.39],[220,44.59,75.9,72.72,71.5,31.39,24.11,-55.18],[225,43.98,75.46,72.19,71.66,31.72,24.96,-55.97],[230,43.38,74.96,71.65,71.8,32.07,25.82,-56.73],[235,42.78,74.42,71.09,71.9,32.42,26.67,-57.49],[240,42.18,73.83,70.52,71.97,32.77,27.53,-58.23],[245,41.58,73.21,69.93,72.01,33.13,28.39,-58.95],[250,40.99,72.55,69.34,72.02,33.5,29.25,-59.66],[255,40.4,71.86,68.73,72.01,33.87,30.11,-60.35],[260,39.81,71.15,68.11,71.96,34.24,30.97,-61.01],[265,39.23,70.41,67.48,71.88,34.62,31.84,-61.66],[270,38.65,69.66,66.84,71.77,35.0,32.71,-62.28],[275,38.07,68.88,66.2,71.63,35.38,33.57,-62.88],[280,37.5,68.09,65.55,71.46,35.77,34.44,-63.45],[285,36.93,67.28,64.89,71.27,36.17,35.31,-64.0],[290,36.37,66.46,64.23,71.05,36.56,36.18,-64.51],[295,35.81,65.63,63.57,70.8,36.97,37.05,-64.99],[300,35.25,64.79,62.9,70.53,37.37,37.92,-65.44],[305,34.7,63.94,62.23,70.23,37.78,38.79,-65.85],[310,34.16,63.08,61.55,69.91,38.19,39.66,-66.22],[315,33.61,62.21,60.87,69.57,38.61,40.53,-66.55],[320,33.08,61.34,60.19,69.21,39.02,41.4,-66.84],[325,32.54,60.46,59.51,68.83,39.44,42.27,-67.08],[330,32.02,59.58,58.82,68.43,39.87,43.14,-67.29],[335,31.5,58.7,58.14,68.02,40.29,44.0,-67.44],[340,30.98,57.81,57.45,67.59,40.72,44.87,-67.55],[345,30.47,56.91,56.76,67.14,41.15,45.73,-67.61],[350,29.96,56.02,56.08,66.69,41.59,46.59,-67.62],[355,29.46,55.12,55.39,66.22,42.02,47.44,-67.58],[360,28.97,54.22,54.7,65.73,42.46,48.3,-67.5],[365,28.48,53.31,54.01,65.24,42.9,49.15,-67.37],[370,28.0,52.41,53.33,64.73,43.34,50.0,-67.19],[375,27.52,51.5,52.64,64.22,43.79,50.84,-66.96],[380,27.05,50.6,51.95,63.7,44.23,51.68,-66.7],[385,26.59,49.69,51.27,63.16,44.68,52.51,-66.39],[390,26.13,48.78,50.59,62.63,45.13,53.34,-66.03],[395,25.68,47.87,49.9,62.08,45.57,54.16,-65.64],[400,25.24,46.97,49.22,61.53,46.02,54.98,-65.21],[405,24.8,46.06,48.55,60.97,46.47,55.79,-64.75],[410,24.37,45.15,47.87,60.41,46.91,56.59,-64.25],[415,23.95,44.25,47.2,59.84,47.35,57.38,-63.73],[420,23.53,43.34,46.52,59.27,47.79,58.16,-63.17],[425,23.13,42.43,45.85,58.69,48.22,58.93,-62.58],[430,22.72,41.53,45.19,58.11,48.66,59.69,-61.97],[435,22.33,40.63,44.52,57.53,49.1,60.44,-61.34],[440,21.94,39.73,43.86,56.94,49.53,61.17,-60.68],[445,21.57,38.83,43.2,56.36,49.97,61.89,-60.0],[450,21.19,37.93,42.54,55.77,50.4,62.6,-59.3],[455,20.83,37.0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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-28T20:08+08:00","astronomical_dawn_at":"2026-11-29T07:29+08:00","science_end_at":"2026-11-29T07:10+08:00","moon":{"illumination_at_night_start_pct":79.3,"moonless_window":["2026-11-28T20:15+08:00","2026-11-28T22:15+08:00"],"moonless_label":"20:15—22:15"},"target_windows":{"Ou4":{"start_above40":"2026-11-28T20:15+08:00","end_above40":"2026-11-29T00:05+08:00","transit":"2026-11-29T18:40+08:00"},"M33 三角座星系":{"start_above40":"2026-11-28T20:15+08:00","end_above40":"2026-11-29T03:05+08:00","transit":"2026-11-28T23:06+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-28T20:15+08:00","end_above40":"2026-11-29T03:40+08:00","transit":"2026-11-28T22:24+08:00"},"心脏 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-28-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-28T22:15+08:00","end_at":"2026-11-28T22:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-28-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-28T22:20+08:00","end_at":"2026-11-29T00:05+08:00","latest_exposure_start_at":"2026-11-28T23:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.11,"maximum_moon_altitude_deg":15.62,"maximum_sun_altitude_deg":-41.63,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；临近满月时按背景和透明度筛片。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-28-4","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-29T00:05+08:00","end_at":"2026-11-29T00:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-28-5","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-29T00:15+08:00","end_at":"2026-11-29T01:45+08:00","latest_exposure_start_at":"2026-11-29T01:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.22,"maximum_moon_altitude_deg":32.8,"maximum_sun_altitude_deg":-60.44,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-28-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-29T01:45+08:00","end_at":"2026-11-29T01:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-28-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-29T01:55+08:00","end_at":"2026-11-29T05:35+08:00","latest_exposure_start_at":"2026-11-29T05:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.6,"maximum_moon_altitude_deg":65.35,"maximum_sun_altitude_deg":-38.62,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-28-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-29T05:35+08:00","end_at":"2026-11-29T05:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-28-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-29T05:45+08:00","end_at":"2026-11-29T07:10+08:00","latest_exposure_start_at":"2026-11-29T06:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.94,"maximum_moon_altitude_deg":66.12,"maximum_sun_altitude_deg":-21.49,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-28-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-29T07:10+08:00","end_at":"2026-11-29T07:29+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-28","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-28.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-28.json"},"altitude_plot":{"anchor_at":"2026-11-28T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,69.89,51.24,63.71,50.42,22.68,-18.24,-16.48],[5,69.45,52.15,64.38,51.01,22.73,-17.78,-17.36],[10,69.0,53.05,65.04,51.61,22.79,-17.3,-18.24],[15,68.52,53.96,65.69,52.21,22.85,-16.81,-19.13],[20,68.04,54.86,66.34,52.8,22.93,-16.31,-20.02],[25,67.54,55.76,66.98,53.4,23.01,-15.79,-20.91],[30,67.02,56.66,67.62,54.0,23.1,-15.26,-21.8],[35,66.5,57.55,68.24,54.59,23.19,-14.72,-22.7],[40,65.97,58.44,68.86,55.18,23.3,-14.17,-23.59],[45,65.42,59.33,69.47,55.77,23.41,-13.61,-24.49],[50,64.87,60.21,70.06,56.36,23.53,-13.03,-25.39],[55,64.3,61.09,70.65,56.95,23.66,-12.45,-26.29],[60,63.74,61.96,71.21,57.54,23.79,-11.85,-27.19],[65,63.16,62.83,71.77,58.12,23.93,-11.25,-28.1],[70,62.58,63.69,72.31,58.7,24.08,-10.63,-29.0],[75,61.99,64.54,72.82,59.27,24.24,-10.0,-29.9],[80,61.39,65.39,73.32,59.85,24.4,-9.37,-30.81],[85,60.79,66.22,73.8,60.41,24.57,-8.72,-31.72],[90,60.19,67.05,74.25,60.98,24.75,-8.07,-32.62],[95,59.59,67.86,74.67,61.54,24.93,-7.4,-33.53],[100,58.98,68.65,75.07,62.09,25.13,-6.73,-34.43],[105,58.36,69.44,75.43,62.63,25.33,-6.05,-35.34],[110,57.75,70.2,75.75,63.17,25.53,-5.36,-36.24],[115,57.13,70.94,76.04,63.7,25.74,-4.66,-37.14],[120,56.51,71.66,76.29,64.23,25.96,-3.96,-38.04],[125,55.89,72.36,76.5,64.74,26.19,-3.25,-38.94],[130,55.27,73.02,76.67,65.24,26.42,-2.53,-39.84],[135,54.65,73.66,76.79,65.74,26.66,-1.8,-40.73],[140,54.02,74.25,76.86,66.22,26.9,-1.07,-41.63],[145,53.4,74.81,76.88,66.69,27.16,-0.33,-42.52],[150,52.77,75.32,76.86,67.15,27.41,0.42,-43.4],[155,52.15,75.78,76.78,67.6,27.68,1.18,-44.29],[160,51.52,76.18,76.67,68.03,27.95,1.93,-45.17],[165,50.9,76.53,76.5,68.44,28.23,2.7,-46.04],[170,50.27,76.8,76.29,68.84,28.51,3.47,-46.92],[175,49.65,77.01,76.04,69.22,28.8,4.25,-47.78],[180,49.03,77.14,75.75,69.58,29.09,5.03,-48.64],[185,48.41,77.2,75.43,69.91,29.39,5.82,-49.5],[190,47.79,77.18,75.07,70.23,29.7,6.61,-50.35],[195,47.17,77.09,74.67,70.53,30.01,7.41,-51.19],[200,46.56,76.92,74.25,70.8,30.33,8.21,-52.02],[205,45.94,76.67,73.8,71.05,30.65,9.02,-52.85],[210,45.33,76.36,73.32,71.27,30.98,9.83,-53.66],[215,44.72,75.99,72.82,71.46,31.31,10.64,-54.47],[220,44.11,75.56,72.31,71.63,31.65,11.46,-55.26],[225,43.51,75.07,71.77,71.77,32.0,12.29,-56.05],[230,42.9,74.54,71.21,71.88,32.34,13.11,-56.82],[235,42.3,73.96,70.64,71.96,32.7,13.94,-57.57],[240,41.71,73.34,70.06,72.01,33.06,14.78,-58.32],[245,41.11,72.69,69.47,72.02,33.42,15.62,-59.04],[250,40.52,72.01,68.86,72.01,33.79,16.46,-59.75],[255,39.94,71.3,68.24,71.97,34.16,17.3,-60.44],[260,39.35,70.57,67.61,71.9,34.54,18.15,-61.12],[265,38.77,69.82,66.98,71.79,34.92,18.99,-61.77],[270,38.19,69.05,66.34,71.66,35.3,19.85,-62.39],[275,37.62,68.26,65.69,71.5,35.69,20.7,-62.99],[280,37.05,67.45,65.03,71.31,36.08,21.55,-63.57],[285,36.49,66.64,64.37,71.09,36.48,22.41,-64.12],[290,35.93,65.81,63.71,70.85,36.88,23.27,-64.63],[295,35.37,64.97,63.04,70.59,37.28,24.13,-65.12],[300,34.82,64.12,62.37,70.29,37.69,25.0,-65.57],[305,34.27,63.26,61.69,69.98,38.1,25.86,-65.98],[310,33.73,62.4,61.02,69.64,38.52,26.73,-66.36],[315,33.19,61.53,60.34,69.29,38.93,27.59,-66.7],[320,32.66,60.65,59.65,68.91,39.35,28.46,-66.99],[325,32.13,59.77,58.97,68.52,39.78,29.33,-67.24],[330,31.61,58.89,58.28,68.11,40.2,30.19,-67.45],[335,31.09,58.0,57.6,67.68,40.63,31.06,-67.61],[340,30.58,57.1,56.91,67.24,41.06,31.93,-67.72],[345,30.07,56.21,56.22,66.79,41.5,32.8,-67.78],[350,29.57,55.31,55.53,66.32,41.93,33.67,-67.8],[355,29.08,54.41,54.85,65.84,42.37,34.53,-67.76],[360,28.59,53.51,54.16,65.34,42.81,35.4,-67.68],[365,28.1,52.6,53.47,64.84,43.25,36.27,-67.55],[370,27.63,51.7,52.79,64.33,43.69,37.13,-67.38],[375,27.15,50.79,52.1,63.81,44.14,37.99,-67.15],[380,26.69,49.88,51.42,63.28,44.58,38.86,-66.89],[385,26.23,48.98,50.73,62.74,45.03,39.71,-66.58],[390,25.78,48.07,50.05,62.2,45.48,40.57,-66.22],[395,25.33,47.16,49.37,61.65,45.93,41.42,-65.83],[400,24.9,46.25,48.69,61.09,46.38,42.28,-65.41],[405,24.46,45.35,48.01,60.53,46.82,43.12,-64.94],[410,24.04,44.44,47.34,59.96,47.25,43.97,-64.45],[415,23.62,43.53,46.67,59.39,47.69,44.81,-63.92],[420,23.21,42.63,46.0,58.81,48.13,45.64,-63.36],[425,22.81,41.72,45.33,58.24,48.57,46.47,-62.77],[430,22.41,40.82,44.66,57.65,49.0,47.3,-62.16],[435,22.03,39.92,44.0,57.07,49.44,48.12,-61.53],[440,21.65,39.02,43.34,56.48,49.88,48.93,-60.87],[445,21.27,38.12,42.68,55.89,50.31,49.74,-60.19],[450,20.91,37.23,42.03,55.3,50.74,50.54,-59.49],[45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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-29-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-11-29T20:15+08:00","end_at":"2026-11-29T23:35+08:00","latest_exposure_start_at":"2026-11-29T23:20+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":11,"exposure_hours":2.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":44.24,"maximum_moon_altitude_deg":-1.8,"maximum_sun_altitude_deg":-19.18,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-29-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-11-29T23:35+08:00","end_at":"2026-11-29T23:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-29-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-11-29T23:40+08:00","end_at":"2026-11-30T00:05+08:00","latest_exposure_start_at":"2026-11-29T23:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":1,"exposure_hours":0.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.65,"maximum_moon_altitude_deg":3.0,"maximum_sun_altitude_deg":-55.33,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；临近满月时按背景和透明度筛片。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-29-4","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-11-30T00:05+08:00","end_at":"2026-11-30T00:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-29-5","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-30T00:15+08:00","end_at":"2026-11-30T01:40+08:00","latest_exposure_start_at":"2026-11-30T01:25+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.37,"maximum_moon_altitude_deg":19.05,"maximum_sun_altitude_deg":-60.53,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-29-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-11-30T01:40+08:00","end_at":"2026-11-30T01:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-29-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-11-30T01:50+08:00","end_at":"2026-11-30T05:30+08:00","latest_exposure_start_at":"2026-11-30T05:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.73,"maximum_moon_altitude_deg":55.34,"maximum_sun_altitude_deg":-39.69,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-29-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-11-30T05:30+08:00","end_at":"2026-11-30T05:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-29-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-11-30T05:40+08:00","end_at":"2026-11-30T07:10+08:00","latest_exposure_start_at":"2026-11-30T06:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.88,"maximum_moon_altitude_deg":60.58,"maximum_sun_altitude_deg":-21.66,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-29-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-11-30T07:10+08:00","end_at":"2026-11-30T07:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-11-29-11","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-11-30T07:15+08:00","end_at":"2026-11-30T07:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-29","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-29.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-29.json"},"altitude_plot":{"anchor_at":"2026-11-29T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,69.55,51.96,64.23,50.89,22.72,-27.22,-16.53],[5,69.09,52.86,64.89,51.48,22.77,-26.9,-17.41],[10,68.63,53.76,65.55,52.08,22.84,-26.57,-18.29],[15,68.14,54.67,66.2,52.68,22.91,-26.22,-19.18],[20,67.65,55.57,66.84,53.27,22.99,-25.85,-20.07],[25,67.13,56.46,67.48,53.87,23.08,-25.47,-20.96],[30,66.61,57.36,68.11,54.46,23.17,-25.07,-21.85],[35,66.08,58.25,68.73,55.06,23.28,-24.65,-22.74],[40,65.54,59.14,69.34,55.65,23.39,-24.22,-23.64],[45,64.99,60.02,69.94,56.24,23.5,-23.77,-24.54],[50,64.43,60.9,70.52,56.83,23.63,-23.31,-25.44],[55,63.86,61.78,71.09,57.41,23.76,-22.84,-26.34],[60,63.28,62.65,71.65,58.0,23.9,-22.35,-27.24],[65,62.7,63.51,72.19,58.58,24.05,-21.84,-28.14],[70,62.11,64.36,72.72,59.15,24.2,-21.33,-29.04],[75,61.52,65.21,73.22,59.73,24.37,-20.8,-29.95],[80,60.92,66.05,73.7,60.29,24.54,-20.25,-30.85],[85,60.32,66.87,74.15,60.86,24.71,-19.7,-31.76],[90,59.72,67.69,74.58,61.42,24.89,-19.13,-32.66],[95,59.11,68.49,74.98,61.97,25.08,-18.55,-33.57],[100,58.49,69.27,75.35,62.52,25.28,-17.96,-34.48],[105,57.88,70.04,75.69,63.06,25.49,-17.36,-35.38],[110,57.26,70.78,75.99,63.59,25.7,-16.74,-36.28],[115,56.64,71.51,76.24,64.11,25.91,-16.12,-37.19],[120,56.02,72.21,76.46,64.63,26.14,-15.48,-38.09],[125,55.4,72.88,76.64,65.14,26.37,-14.84,-38.99],[130,54.78,73.52,76.76,65.63,26.61,-14.18,-39.89],[135,54.15,74.13,76.85,66.12,26.85,-13.52,-40.78],[140,53.53,74.7,76.88,66.59,27.1,-12.85,-41.67],[145,52.91,75.22,76.87,67.05,27.36,-12.16,-42.57],[150,52.28,75.69,76.8,67.5,27.62,-11.47,-43.45],[155,51.66,76.1,76.7,67.93,27.89,-10.77,-44.34],[160,51.03,76.46,76.54,68.35,28.17,-10.06,-45.22],[165,50.41,76.75,76.34,68.75,28.45,-9.35,-46.1],[170,49.78,76.97,76.1,69.14,28.74,-8.63,-46.97],[175,49.16,77.12,75.82,69.5,29.03,-7.89,-47.84],[180,48.54,77.2,75.5,69.84,29.33,-7.16,-48.7],[185,47.92,77.19,75.15,70.17,29.63,-6.41,-49.55],[190,47.3,77.11,74.76,70.47,29.94,-5.66,-50.4],[195,46.69,76.96,74.34,70.74,30.26,-4.9,-51.25],[200,46.07,76.73,73.9,71.0,30.58,-4.14,-52.08],[205,45.46,76.44,73.43,71.22,30.91,-3.36,-52.91],[210,44.85,76.07,72.93,71.42,31.24,-2.59,-53.73],[215,44.24,75.65,72.42,71.6,31.58,-1.8,-54.53],[220,43.64,75.18,71.88,71.74,31.92,-1.02,-55.33],[225,43.03,74.66,71.33,71.86,32.27,-0.22,-56.12],[230,42.43,74.09,70.77,71.94,32.62,0.58,-56.89],[235,41.83,73.48,70.19,72.0,32.98,1.38,-57.65],[240,41.24,72.84,69.59,72.02,33.34,2.19,-58.4],[245,40.65,72.16,68.99,72.02,33.71,3.0,-59.13],[250,40.06,71.46,68.37,71.98,34.08,3.82,-59.84],[255,39.48,70.73,67.75,71.91,34.45,4.64,-60.53],[260,38.89,69.98,67.12,71.82,34.83,5.46,-61.21],[265,38.32,69.21,66.48,71.69,35.22,6.29,-61.86],[270,37.74,68.43,65.83,71.54,35.61,7.12,-62.49],[275,37.17,67.63,65.17,71.35,36.0,7.96,-63.1],[280,36.61,66.81,64.52,71.14,36.39,8.8,-63.68],[285,36.05,65.99,63.85,70.91,36.79,9.64,-64.23],[290,35.49,65.15,63.18,70.64,37.2,10.49,-64.75],[295,34.94,64.3,62.51,70.36,37.6,11.33,-65.24],[300,34.39,63.45,61.84,70.05,38.01,12.18,-65.7],[305,33.84,62.58,61.16,69.72,38.43,13.04,-66.12],[310,33.31,61.71,60.48,69.37,38.84,13.89,-66.5],[315,32.77,60.84,59.8,69.0,39.26,14.75,-66.84],[320,32.24,59.96,59.11,68.61,39.69,15.61,-67.14],[325,31.72,59.07,58.43,68.2,40.11,16.47,-67.39],[330,31.2,58.19,57.74,67.78,40.54,17.33,-67.6],[335,30.69,57.29,57.06,67.34,40.97,18.19,-67.76],[340,30.18,56.4,56.37,66.88,41.4,19.05,-67.88],[345,29.68,55.5,55.68,66.42,41.84,19.92,-67.95],[350,29.18,54.6,54.99,65.94,42.27,20.79,-67.97],[355,28.69,53.7,54.31,65.45,42.71,21.65,-67.94],[360,28.21,52.79,53.62,64.95,43.16,22.52,-67.86],[365,27.73,51.89,52.93,64.44,43.6,23.39,-67.73],[370,27.25,50.98,52.25,63.92,44.04,24.25,-67.56],[375,26.79,50.08,51.56,63.39,44.49,25.12,-67.34],[380,26.33,49.17,50.88,62.86,44.93,25.99,-67.07],[385,25.88,48.26,50.2,62.31,45.38,26.85,-66.76],[390,25.43,47.35,49.51,61.76,45.83,27.72,-66.41],[395,24.99,46.45,48.84,61.21,46.28,28.58,-66.02],[400,24.56,45.54,48.16,60.65,46.72,29.44,-65.59],[405,24.13,44.63,47.48,60.08,47.16,30.3,-65.13],[410,23.71,43.73,46.81,59.51,47.6,31.16,-64.63],[415,23.3,42.82,46.14,58.94,48.04,32.02,-64.1],[420,22.89,41.92,45.47,58.36,48.47,32.87,-63.55],[425,22.5,41.01,44.8,57.78,48.91,33.72,-62.96],[430,22.11,40.11,44.14,57.19,49.35,34.57,-62.35],[435,21.73,39.21,43.48,56.61,49.78,35.42,-61.71],[440,21.35,38.31,42.82,56.02,50.22,36.26,-61.05],[445,20.99,37.42,42.17,55.43,50.65,37.1,-60.37],[450,20.63,36.52,41.52,54.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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-11-30T20:08+08:00","astronomical_dawn_at":"2026-12-01T07:31+08:00","science_end_at":"2026-12-01T07:15+08:00","moon":{"illumination_at_night_start_pct":58.4,"moonless_window":["2026-11-30T20:15+08:00","2026-12-01T00:50+08:00"],"moonless_label":"20:15—次日 00:50"},"target_windows":{"Ou4":{"start_above40":"2026-11-30T20:15+08:00","end_above40":"2026-12-01T00:00+08:00","transit":"2026-12-01T18:32+08:00"},"M33 三角座星系":{"start_above40":"2026-11-30T20:15+08:00","end_above40":"2026-12-01T03:00+08:00","transit":"2026-11-30T22:58+08:00"},"吃豆人 NGC281":{"start_above40":"2026-11-30T20:15+08:00","end_above40":"2026-12-01T03:30+08:00","transit":"2026-11-30T22:17+08:00"},"心脏 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-11-30-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-01T00:00+08:00","end_at":"2026-12-01T00:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-11-30-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-11-30-5","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-01T00:55+08:00","end_at":"2026-12-01T01:40+08:00","latest_exposure_start_at":"2026-12-01T01:25+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":2,"exposure_hours":0.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.83,"maximum_moon_altitude_deg":6.45,"maximum_sun_altitude_deg":-65.36,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-30-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-01T01:40+08:00","end_at":"2026-12-01T01:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-11-30-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-01T01:50+08:00","end_at":"2026-12-01T05:25+08:00","latest_exposure_start_at":"2026-12-01T05:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.85,"maximum_moon_altitude_deg":43.42,"maximum_sun_altitude_deg":-40.75,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-11-30-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-01T05:25+08:00","end_at":"2026-12-01T05:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-11-30-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-01T05:35+08:00","end_at":"2026-12-01T07:05+08:00","latest_exposure_start_at":"2026-12-01T06:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.82,"maximum_moon_altitude_deg":53.34,"maximum_sun_altitude_deg":-22.72,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-11-30-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-01T07:05+08:00","end_at":"2026-12-01T07:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-11-30-11","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-01T07:15+08:00","end_at":"2026-12-01T07:31+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-11-30","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-11-30.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-11-30.json"},"altitude_plot":{"anchor_at":"2026-11-30T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,69.19,52.67,64.75,51.36,22.76,-35.16,-16.58],[5,68.73,53.57,65.41,51.95,22.82,-35.02,-17.46],[10,68.25,54.47,66.06,52.55,22.89,-34.85,-18.34],[15,67.75,55.37,66.71,53.15,22.97,-34.67,-19.22],[20,67.24,56.27,67.34,53.74,23.06,-34.47,-20.11],[25,66.73,57.17,67.98,54.34,23.15,-34.24,-21.0],[30,66.2,58.06,68.6,54.93,23.25,-34.0,-21.89],[35,65.65,58.95,69.21,55.52,23.36,-33.73,-22.78],[40,65.1,59.84,69.81,56.11,23.48,-33.45,-23.68],[45,64.55,60.72,70.4,56.7,23.6,-33.15,-24.58],[50,63.98,61.59,70.97,57.29,23.73,-32.82,-25.47],[55,63.41,62.46,71.53,57.87,23.87,-32.48,-26.37],[60,62.83,63.33,72.08,58.45,24.02,-32.12,-27.28],[65,62.24,64.18,72.61,59.03,24.17,-31.75,-28.18],[70,61.65,65.03,73.11,59.6,24.33,-31.35,-29.08],[75,61.05,65.87,73.6,60.17,24.5,-30.94,-29.99],[80,60.45,66.7,74.06,60.74,24.67,-30.51,-30.89],[85,59.85,67.51,74.49,61.3,24.86,-30.06,-31.8],[90,59.24,68.32,74.9,61.85,25.04,-29.6,-32.7],[95,58.63,69.1,75.28,62.4,25.24,-29.12,-33.61],[100,58.01,69.87,75.62,62.94,25.44,-28.63,-34.51],[105,57.39,70.63,75.92,63.48,25.65,-28.12,-35.42],[110,56.78,71.36,76.19,64.0,25.87,-27.6,-36.32],[115,56.16,72.06,76.42,64.52,26.09,-27.06,-37.22],[120,55.53,72.74,76.6,65.03,26.32,-26.51,-38.13],[125,54.91,73.39,76.74,65.53,26.56,-25.95,-39.03],[130,54.29,74.0,76.83,66.02,26.8,-25.37,-39.92],[135,53.66,74.58,76.88,66.49,27.05,-24.78,-40.82],[140,53.04,75.11,76.87,66.96,27.3,-24.18,-41.72],[145,52.41,75.59,76.82,67.41,27.57,-23.57,-42.61],[150,51.79,76.02,76.72,67.84,27.83,-22.94,-43.5],[155,51.16,76.39,76.58,68.26,28.11,-22.31,-44.38],[160,50.54,76.69,76.39,68.67,28.39,-21.66,-45.26],[165,49.92,76.93,76.16,69.06,28.67,-21.0,-46.14],[170,49.3,77.1,75.88,69.42,28.97,-20.33,-47.01],[175,48.67,77.19,75.57,69.77,29.26,-19.65,-47.88],[180,48.05,77.2,75.22,70.1,29.57,-18.97,-48.75],[185,47.44,77.14,74.84,70.41,29.88,-18.27,-49.6],[190,46.82,77.0,74.43,70.69,30.19,-17.56,-50.45],[195,46.2,76.79,73.99,70.95,30.51,-16.85,-51.3],[200,45.59,76.5,73.53,71.18,30.84,-16.13,-52.14],[205,44.98,76.16,73.04,71.38,31.17,-15.4,-52.96],[210,44.37,75.75,72.53,71.56,31.51,-14.66,-53.78],[215,43.77,75.29,72.0,71.71,31.85,-13.91,-54.59],[220,43.16,74.77,71.45,71.84,32.19,-13.16,-55.39],[225,42.56,74.21,70.89,71.93,32.55,-12.4,-56.18],[230,41.96,73.61,70.31,71.99,32.9,-11.63,-56.96],[235,41.37,72.98,69.72,72.02,33.26,-10.86,-57.72],[240,40.77,72.31,69.12,72.02,33.63,-10.08,-58.47],[245,40.19,71.61,68.51,71.99,34.0,-9.3,-59.2],[250,39.6,70.89,67.88,71.93,34.37,-8.51,-59.92],[255,39.02,70.14,67.25,71.84,34.75,-7.71,-60.62],[260,38.44,69.38,66.61,71.72,35.14,-6.91,-61.29],[265,37.87,68.6,65.97,71.57,35.52,-6.1,-61.95],[270,37.3,67.8,65.31,71.39,35.91,-5.29,-62.59],[275,36.73,66.99,64.66,71.19,36.31,-4.48,-63.2],[280,36.17,66.16,63.99,70.96,36.71,-3.66,-63.78],[285,35.61,65.33,63.33,70.7,37.11,-2.83,-64.34],[290,35.05,64.48,62.66,70.42,37.52,-2.0,-64.86],[295,34.5,63.63,61.98,70.12,37.93,-1.17,-65.36],[300,33.96,62.77,61.31,69.79,38.34,-0.34,-65.82],[305,33.42,61.9,60.63,69.44,38.75,0.5,-66.24],[310,32.88,61.03,59.94,69.08,39.17,1.34,-66.62],[315,32.35,60.15,59.26,68.69,39.6,2.19,-66.97],[320,31.83,59.26,58.58,68.29,40.02,3.03,-67.27],[325,31.31,58.38,57.89,67.87,40.45,3.88,-67.53],[330,30.8,57.48,57.2,67.43,40.88,4.74,-67.75],[335,30.29,56.59,56.52,66.98,41.31,5.59,-67.92],[340,29.78,55.69,55.83,66.52,41.74,6.45,-68.04],[345,29.29,54.79,55.14,66.04,42.18,7.3,-68.11],[350,28.79,53.89,54.45,65.56,42.62,8.16,-68.13],[355,28.31,52.99,53.77,65.06,43.06,9.03,-68.1],[360,27.83,52.08,53.08,64.55,43.5,9.89,-68.03],[365,27.35,51.18,52.39,64.03,43.95,10.75,-67.9],[370,26.89,50.27,51.71,63.51,44.39,11.62,-67.73],[375,26.43,49.36,51.02,62.97,44.84,12.48,-67.51],[380,25.97,48.46,50.34,62.43,45.29,13.35,-67.25],[385,25.52,47.55,49.66,61.88,45.73,14.21,-66.94],[390,25.08,46.64,48.98,61.33,46.18,15.08,-66.59],[395,24.65,45.73,48.3,60.77,46.63,15.94,-66.2],[400,24.22,44.83,47.63,60.2,47.07,16.81,-65.77],[405,23.8,43.92,46.95,59.63,47.5,17.67,-65.31],[410,23.39,43.01,46.28,59.06,47.94,18.54,-64.82],[415,22.98,42.11,45.61,58.48,48.38,19.4,-64.29],[420,22.58,41.21,44.95,57.9,48.82,20.26,-63.73],[425,22.19,40.3,44.28,57.32,49.25,21.12,-63.14],[430,21.81,39.4,43.62,56.73,49.69,21.98,-62.53],[435,21.43,38.51,42.96,56.14,50.12,22.84,-61.89],[440,21.06,37.61,42.31,55.55,50.56,23.69,-61.23],[445,20.7,36.71,41.66,54.96,50.99,24.54,-60.55],[450,20.35,35.82,41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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-01-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-01T20:15+08:00","end_at":"2026-12-01T23:55+08:00","latest_exposure_start_at":"2026-12-01T23:40+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.9,"maximum_moon_altitude_deg":-22.68,"maximum_sun_altitude_deg":-19.26,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-01-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-01T23:55+08:00","end_at":"2026-12-02T00:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-01-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-02T00:05+08:00","end_at":"2026-12-02T02:00+08:00","latest_exposure_start_at":"2026-12-02T01:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":19,"exposure_hours":1.583333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":51.37,"maximum_moon_altitude_deg":-2.4,"maximum_sun_altitude_deg":-59.27,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-01-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-02T02:00+08:00","end_at":"2026-12-02T02:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-01-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-02T02:10+08:00","end_at":"2026-12-02T05:20+08:00","latest_exposure_start_at":"2026-12-02T05:05+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":10,"exposure_hours":2.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.97,"maximum_moon_altitude_deg":31.03,"maximum_sun_altitude_deg":-41.81,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-01-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-02T05:20+08:00","end_at":"2026-12-02T05:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-01-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-02T05:30+08:00","end_at":"2026-12-02T07:05+08:00","latest_exposure_start_at":"2026-12-02T06:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.76,"maximum_moon_altitude_deg":43.99,"maximum_sun_altitude_deg":-22.89,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-01-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-02T07:05+08:00","end_at":"2026-12-02T07:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-01-9","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-02T07:15+08:00","end_at":"2026-12-02T07:32+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-01","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-01.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-01.json"},"altitude_plot":{"anchor_at":"2026-12-01T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,68.83,53.38,65.27,51.82,22.81,-41.6,-16.62],[5,68.35,54.28,65.92,52.42,22.88,-41.67,-17.49],[10,67.86,55.18,66.57,53.02,22.96,-41.71,-18.37],[15,67.35,56.08,67.21,53.61,23.04,-41.73,-19.26],[20,66.84,56.98,67.84,54.21,23.13,-41.73,-20.14],[25,66.31,57.87,68.46,54.8,23.23,-41.7,-21.03],[30,65.77,58.76,69.08,55.4,23.34,-41.65,-21.92],[35,65.22,59.65,69.68,55.99,23.45,-41.57,-22.82],[40,64.67,60.53,70.27,56.58,23.58,-41.47,-23.71],[45,64.1,61.41,70.85,57.16,23.71,-41.35,-24.61],[50,63.53,62.28,71.42,57.75,23.84,-41.2,-25.51],[55,62.95,63.14,71.96,58.33,23.99,-41.03,-26.41],[60,62.36,64.0,72.49,58.91,24.14,-40.83,-27.31],[65,61.77,64.85,73.01,59.48,24.3,-40.62,-28.21],[70,61.18,65.69,73.5,60.05,24.46,-40.38,-29.11],[75,60.58,66.52,73.96,60.62,24.64,-40.12,-30.02],[80,59.97,67.34,74.4,61.18,24.82,-39.83,-30.92],[85,59.37,68.15,74.82,61.73,25.0,-39.53,-31.83],[90,58.76,68.94,75.2,62.28,25.2,-39.2,-32.73],[95,58.14,69.71,75.55,62.83,25.4,-38.86,-33.64],[100,57.53,70.47,75.86,63.36,25.61,-38.49,-34.54],[105,56.91,71.2,76.14,63.89,25.82,-38.1,-35.45],[110,56.29,71.92,76.37,64.41,26.04,-37.7,-36.35],[115,55.67,72.6,76.57,64.92,26.27,-37.27,-37.26],[120,55.04,73.26,76.71,65.42,26.51,-36.83,-38.16],[125,54.42,73.88,76.82,65.91,26.75,-36.37,-39.06],[130,53.8,74.46,76.87,66.39,26.99,-35.89,-39.96],[135,53.17,75.0,76.88,66.86,27.25,-35.4,-40.85],[140,52.55,75.49,76.84,67.31,27.51,-34.89,-41.75],[145,51.92,75.93,76.75,67.75,27.78,-34.36,-42.64],[150,51.3,76.31,76.61,68.18,28.05,-33.82,-43.53],[155,50.67,76.63,76.43,68.58,28.33,-33.26,-44.42],[160,50.05,76.89,76.21,68.97,28.61,-32.69,-45.3],[165,49.43,77.07,75.94,69.35,28.9,-32.1,-46.18],[170,48.81,77.17,75.64,69.7,29.2,-31.51,-47.05],[175,48.19,77.2,75.3,70.03,29.5,-30.89,-47.92],[180,47.57,77.16,74.93,70.34,29.81,-30.27,-48.79],[185,46.95,77.03,74.52,70.63,30.12,-29.63,-49.65],[190,46.34,76.84,74.09,70.89,30.44,-28.98,-50.5],[195,45.72,76.57,73.63,71.13,30.77,-28.32,-51.34],[200,45.11,76.24,73.15,71.34,31.1,-27.65,-52.18],[205,44.5,75.84,72.64,71.53,31.43,-26.97,-53.01],[210,43.89,75.39,72.11,71.68,31.77,-26.28,-53.83],[215,43.29,74.89,71.57,71.81,32.12,-25.58,-54.65],[220,42.69,74.34,71.01,71.91,32.47,-24.87,-55.45],[225,42.09,73.74,70.44,71.98,32.83,-24.15,-56.24],[230,41.49,73.11,69.85,72.02,33.19,-23.42,-57.02],[235,40.9,72.45,69.25,72.02,33.55,-22.68,-57.78],[240,40.31,71.76,68.64,72.0,33.92,-21.94,-58.53],[245,39.73,71.04,68.02,71.95,34.29,-21.19,-59.27],[250,39.14,70.3,67.39,71.86,34.67,-20.43,-59.99],[255,38.56,69.54,66.75,71.75,35.05,-19.66,-60.69],[260,37.99,68.76,66.11,71.61,35.44,-18.89,-61.37],[265,37.42,67.97,65.45,71.44,35.83,-18.11,-62.03],[270,36.85,67.16,64.8,71.24,36.22,-17.32,-62.67],[275,36.29,66.34,64.14,71.01,36.62,-16.53,-63.29],[280,35.73,65.51,63.47,70.76,37.02,-15.73,-63.87],[285,35.17,64.66,62.8,70.48,37.43,-14.93,-64.43],[290,34.62,63.81,62.13,70.18,37.84,-14.12,-64.96],[295,34.08,62.95,61.45,69.86,38.25,-13.31,-65.46],[300,33.53,62.09,60.77,69.52,38.67,-12.49,-65.93],[305,33.0,61.21,60.09,69.16,39.08,-11.67,-66.35],[310,32.47,60.34,59.41,68.77,39.5,-10.84,-66.74],[315,31.94,59.45,58.72,68.37,39.93,-10.01,-67.1],[320,31.42,58.57,58.04,67.96,40.36,-9.18,-67.4],[325,30.91,57.68,57.35,67.53,40.79,-8.34,-67.67],[330,30.39,56.78,56.66,67.08,41.22,-7.5,-67.89],[335,29.89,55.88,55.98,66.62,41.65,-6.66,-68.06],[340,29.39,54.99,55.29,66.15,42.09,-5.81,-68.18],[345,28.9,54.08,54.6,65.66,42.53,-4.96,-68.26],[350,28.41,53.18,53.91,65.16,42.97,-4.11,-68.28],[355,27.93,52.28,53.23,64.66,43.41,-3.26,-68.26],[360,27.45,51.37,52.54,64.14,43.85,-2.4,-68.19],[365,26.99,50.46,51.85,63.62,44.3,-1.54,-68.07],[370,26.52,49.56,51.17,63.09,44.74,-0.69,-67.9],[375,26.07,48.65,50.49,62.55,45.19,0.17,-67.68],[380,25.62,47.74,49.81,62.0,45.64,1.04,-67.42],[385,25.18,46.83,49.13,61.45,46.09,1.9,-67.11],[390,24.74,45.93,48.45,60.89,46.53,2.76,-66.77],[395,24.31,45.02,47.77,60.32,46.97,3.62,-66.38],[400,23.89,44.11,47.1,59.76,47.41,4.49,-65.95],[405,23.47,43.21,46.43,59.18,47.85,5.35,-65.49],[410,23.07,42.3,45.76,58.61,48.29,6.22,-64.99],[415,22.67,41.4,45.09,58.03,48.72,7.08,-64.46],[420,22.27,40.5,44.42,57.44,49.16,7.95,-63.91],[425,21.89,39.6,43.76,56.86,49.6,8.81,-63.32],[430,21.51,38.7,43.1,56.27,50.03,9.67,-62.71],[435,21.14,37.8,42.45,55.68,50.47,10.53,-62.07],[440,20.78,36.9,41.8,55.09,50.9,11.39,-61.41],[445,20.43,36.01,41.15,54.5,51.33,12.25,-60.7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三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-03T00:00+08:00","end_at":"2026-12-03T02:50+08:00","latest_exposure_start_at":"2026-12-03T02:45+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.59,"maximum_moon_altitude_deg":-5.76,"maximum_sun_altitude_deg":-58.59,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-02-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-03T02:50+08:00","end_at":"2026-12-03T03:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-02-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-03T03:00+08:00","end_at":"2026-12-03T03:10+08:00","latest_exposure_start_at":"2026-12-03T03:05+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":1,"exposure_hours":0.083333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.81,"maximum_moon_altitude_deg":-2.31,"maximum_sun_altitude_deg":-62.88,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"短无月时段不足一张900秒及常规开销，补300秒LRGB星色，按未完成通道轮换。"},{"id":"2026-12-02-6","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-03T03:10+08:00","end_at":"2026-12-03T03:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-02-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-03T03:15+08:00","end_at":"2026-12-03T05:15+08:00","latest_exposure_start_at":"2026-12-03T05:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.09,"maximum_moon_altitude_deg":18.63,"maximum_sun_altitude_deg":-42.86,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-02-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-03T05:15+08:00","end_at":"2026-12-03T05:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-02-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-03T05:25+08:00","end_at":"2026-12-03T07:00+08:00","latest_exposure_start_at":"2026-12-03T06:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.69,"maximum_moon_altitude_deg":33.25,"maximum_sun_altitude_deg":-23.95,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-02-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-03T07:00+08:00","end_at":"2026-12-03T07:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-02-11","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-03T07:15+08:00","end_at":"2026-12-03T07:33+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-02","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-02.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-02.json"},"altitude_plot":{"anchor_at":"2026-12-02T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,68.45,54.09,65.78,52.29,22.86,-46.03,-16.65],[5,67.97,54.99,66.43,52.89,22.94,-46.33,-17.52],[10,67.46,55.89,67.07,53.49,23.02,-46.61,-18.4],[15,66.95,56.79,67.71,54.08,23.11,-46.86,-19.29],[20,66.42,57.68,68.33,54.68,23.21,-47.09,-20.17],[25,65.89,58.57,68.95,55.27,23.32,-47.3,-21.06],[30,65.34,59.46,69.55,55.86,23.43,-47.47,-21.95],[35,64.79,60.34,70.15,56.45,23.55,-47.63,-22.84],[40,64.22,61.22,70.73,57.04,23.68,-47.75,-23.74],[45,63.65,62.09,71.3,57.62,23.81,-47.85,-24.64],[50,63.07,62.96,71.85,58.2,23.95,-47.92,-25.53],[55,62.49,63.82,72.38,58.78,24.1,-47.97,-26.43],[60,61.9,64.67,72.9,59.36,24.26,-47.99,-27.33],[65,61.31,65.51,73.39,59.93,24.43,-47.98,-28.24],[70,60.71,66.34,73.87,60.5,24.6,-47.94,-29.14],[75,60.1,67.17,74.31,61.06,24.78,-47.88,-30.04],[80,59.5,67.97,74.73,61.62,24.96,-47.79,-30.95],[85,58.89,68.77,75.12,62.17,25.15,-47.67,-31.85],[90,58.27,69.55,75.48,62.71,25.35,-47.53,-32.76],[95,57.66,70.31,75.8,63.25,25.56,-47.36,-33.66],[100,57.04,71.05,76.08,63.78,25.77,-47.16,-34.57],[105,56.42,71.77,76.33,64.3,25.99,-46.94,-35.47],[110,55.8,72.46,76.53,64.81,26.22,-46.69,-36.38],[115,55.18,73.12,76.69,65.32,26.45,-46.42,-37.28],[120,54.55,73.75,76.8,65.81,26.69,-46.13,-38.18],[125,53.93,74.34,76.86,66.29,26.94,-45.81,-39.08],[130,53.31,74.89,76.88,66.76,27.19,-45.47,-39.98],[135,52.68,75.39,76.85,67.22,27.45,-45.11,-40.88],[140,52.06,75.84,76.77,67.66,27.72,-44.72,-41.78],[145,51.43,76.24,76.65,68.09,27.99,-44.31,-42.67],[150,50.81,76.57,76.47,68.5,28.27,-43.88,-43.56],[155,50.18,76.84,76.26,68.89,28.55,-43.44,-44.45],[160,49.56,77.04,76.0,69.27,28.84,-42.97,-45.33],[165,48.94,77.16,75.71,69.63,29.14,-42.48,-46.21],[170,48.32,77.2,75.38,69.96,29.44,-41.98,-47.08],[175,47.7,77.17,75.01,70.28,29.74,-41.45,-47.96],[180,47.08,77.07,74.61,70.57,30.06,-40.92,-48.82],[185,46.47,76.89,74.18,70.84,30.38,-40.36,-49.68],[190,45.85,76.63,73.73,71.08,30.7,-39.79,-50.54],[195,45.24,76.31,73.25,71.3,31.03,-39.2,-51.38],[200,44.63,75.93,72.75,71.49,31.36,-38.6,-52.22],[205,44.02,75.49,72.23,71.65,31.7,-37.98,-53.05],[210,43.42,75.0,71.69,71.79,32.05,-37.35,-53.88],[215,42.82,74.46,71.13,71.89,32.39,-36.71,-54.69],[220,42.22,73.87,70.56,71.97,32.75,-36.05,-55.5],[225,41.62,73.25,69.97,72.01,33.11,-35.39,-56.29],[230,41.03,72.6,69.38,72.02,33.47,-34.71,-57.07],[235,40.44,71.91,68.77,72.01,33.84,-34.02,-57.84],[240,39.85,71.2,68.15,71.96,34.21,-33.32,-58.59],[245,39.27,70.46,67.52,71.88,34.59,-32.61,-59.33],[250,38.69,69.71,66.89,71.78,34.97,-31.89,-60.05],[255,38.11,68.93,66.24,71.64,35.36,-31.16,-60.76],[260,37.54,68.14,65.59,71.47,35.75,-30.42,-61.44],[265,36.97,67.34,64.94,71.28,36.14,-29.67,-62.11],[270,36.41,66.52,64.28,71.06,36.54,-28.92,-62.75],[275,35.85,65.69,63.61,70.81,36.94,-28.15,-63.37],[280,35.29,64.84,62.94,70.54,37.34,-27.38,-63.96],[285,34.74,64.0,62.27,70.25,37.75,-26.61,-64.52],[290,34.19,63.14,61.6,69.93,38.16,-25.82,-65.06],[295,33.65,62.27,60.92,69.59,38.58,-25.03,-65.56],[300,33.11,61.4,60.24,69.24,38.99,-24.24,-66.03],[305,32.58,60.52,59.55,68.86,39.41,-23.44,-66.46],[310,32.05,59.64,58.87,68.46,39.84,-22.63,-66.86],[315,31.53,58.76,58.18,68.05,40.26,-21.82,-67.21],[320,31.01,57.87,57.5,67.62,40.69,-21.0,-67.52],[325,30.5,56.97,56.81,67.18,41.12,-20.18,-67.79],[330,30.0,56.08,56.12,66.72,41.56,-19.35,-68.02],[335,29.5,55.18,55.43,66.25,41.99,-18.52,-68.19],[340,29.0,54.28,54.75,65.76,42.43,-17.69,-68.32],[345,28.51,53.37,54.06,65.27,42.87,-16.85,-68.4],[350,28.03,52.47,53.37,64.77,43.31,-16.01,-68.43],[355,27.56,51.56,52.69,64.25,43.76,-15.17,-68.41],[360,27.09,50.66,52.0,63.73,44.2,-14.32,-68.34],[365,26.62,49.75,51.32,63.2,44.65,-13.48,-68.22],[370,26.16,48.84,50.63,62.66,45.09,-12.62,-68.06],[375,25.71,47.94,49.95,62.12,45.54,-11.77,-67.84],[380,25.27,47.03,49.27,61.57,45.99,-10.92,-67.58],[385,24.83,46.12,48.59,61.01,46.44,-10.06,-67.28],[390,24.4,45.21,47.92,60.45,46.88,-9.2,-66.93],[395,23.98,44.31,47.24,59.88,47.32,-8.34,-66.55],[400,23.56,43.4,46.57,59.31,47.75,-7.48,-66.12],[405,23.15,42.5,45.9,58.73,48.19,-6.62,-65.66],[410,22.75,41.59,45.23,58.15,48.63,-5.76,-65.16],[415,22.36,40.69,44.57,57.57,49.07,-4.89,-64.64],[420,21.97,39.79,43.9,56.98,49.5,-4.03,-64.08],[425,21.59,38.89,43.24,56.4,49.94,-3.17,-63.49],[430,21.22,37.99,42.59,55.81,50.37,-2.31,-62.88],[435,20.86,37.1,41.94,55.21,50.81,-1.44,-62.24],[440,20.5,36.2,41.29,54.62,51.24,-0.58,-61.58],[445,20.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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-03-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-04T02:55+08:00","end_at":"2026-12-04T04:20+08:00","latest_exposure_start_at":"2026-12-04T04:05+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":47.01,"maximum_moon_altitude_deg":-1.93,"maximum_sun_altitude_deg":-52.56,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-03-6","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 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外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-03-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-04T06:55+08:00","end_at":"2026-12-04T07:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-03-11","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-04T07:15+08:00","end_at":"2026-12-04T07:34+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-04-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-04T23:45+08:00","end_at":"2026-12-04T23:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-04-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-04T23:55+08:00","end_at":"2026-12-05T02:45+08:00","latest_exposure_start_at":"2026-12-05T02:40+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.08,"maximum_moon_altitude_deg":-29.53,"maximum_sun_altitude_deg":-57.92,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-04-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-05T02:45+08:00","end_at":"2026-12-05T02:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-04-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-05T02:55+08:00","end_at":"2026-12-05T03:55+08:00","latest_exposure_start_at":"2026-12-05T03:40+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.51,"maximum_moon_altitude_deg":-17.52,"maximum_sun_altitude_deg":-56.78,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-04-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-05T03:55+08:00","end_at":"2026-12-05T04:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-04-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-05T04:05+08:00","end_at":"2026-12-05T05:25+08:00","latest_exposure_start_at":"2026-12-05T05:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":13,"exposure_hours":1.083333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.63,"maximum_moon_altitude_deg":-2.31,"maximum_sun_altitude_deg":-41.39,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-04-8","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-05T05:25+08:00","end_at":"2026-12-05T05:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-04-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-05T05:30+08:00","end_at":"2026-12-05T06:50+08:00","latest_exposure_start_at":"2026-12-05T06:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.41,"maximum_moon_altitude_deg":10.87,"maximum_sun_altitude_deg":-26.06,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-04-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-05T06:50+08:00","end_at":"2026-12-05T07:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-04-11","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-05T07:15+08:00","end_at":"2026-12-05T07:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-04-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-05T07:20+08:00","end_at":"2026-12-05T07:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-04","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-04.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-04.json"},"altitude_plot":{"anchor_at":"2026-12-04T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,67.68,55.51,66.8,53.23,22.98,-47.19,-16.69],[5,67.17,56.4,67.44,53.83,23.07,-47.91,-17.57],[10,66.65,57.3,68.07,54.42,23.17,-48.61,-18.45],[15,66.12,58.19,68.69,55.02,23.27,-49.3,-19.33],[20,65.57,59.08,69.3,55.61,23.38,-49.98,-20.21],[25,65.02,59.96,69.9,56.2,23.5,-50.64,-21.1],[30,64.46,60.84,70.48,56.79,23.62,-51.29,-21.99],[35,63.9,61.72,71.06,57.37,23.75,-51.92,-22.88],[40,63.32,62.59,71.61,57.96,23.89,-52.53,-23.77],[45,62.74,63.45,72.16,58.54,24.04,-53.12,-24.67],[50,62.15,64.31,72.68,59.11,24.19,-53.7,-25.57],[55,61.56,65.15,73.18,59.69,24.36,-54.25,-26.47],[60,60.96,65.99,73.67,60.26,24.52,-54.78,-27.37],[65,60.36,66.82,74.12,60.82,24.7,-55.29,-28.27],[70,59.76,67.63,74.56,61.38,24.88,-55.78,-29.17],[75,59.15,68.43,74.96,61.93,25.07,-56.25,-30.07],[80,58.54,69.22,75.33,62.48,25.27,-56.68,-30.98],[85,57.92,69.99,75.67,63.02,25.47,-57.1,-31.88],[90,57.3,70.73,75.97,63.55,25.68,-57.48,-32.79],[95,56.69,71.46,76.23,64.08,25.9,-57.84,-33.69],[100,56.07,72.16,76.45,64.6,26.12,-58.16,-34.6],[105,55.44,72.84,76.62,65.1,26.35,-58.46,-35.5],[110,54.82,73.48,76.76,65.6,26.59,-58.73,-36.41],[115,54.2,74.09,76.84,66.09,26.83,-58.96,-37.31],[120,53.57,74.66,76.88,66.56,27.08,-59.16,-38.21],[125,52.95,75.18,76.87,67.02,27.34,-59.33,-39.12],[130,52.32,75.66,76.81,67.47,27.6,-59.47,-40.02],[135,51.7,76.08,76.7,67.91,27.87,-59.57,-40.91],[140,51.07,76.44,76.55,68.32,28.15,-59.63,-41.81],[145,50.45,76.73,76.36,68.73,28.43,-59.66,-42.7],[150,49.83,76.96,76.12,69.11,28.72,-59.66,-43.6],[155,49.2,77.11,75.84,69.48,29.01,-59.62,-44.48],[160,48.58,77.19,75.52,69.82,29.31,-59.54,-45.37],[165,47.96,77.2,75.17,70.15,29.61,-59.44,-46.25],[170,47.35,77.12,74.79,70.45,29.92,-59.29,-47.13],[175,46.73,76.97,74.37,70.73,30.24,-59.12,-48.0],[180,46.11,76.75,73.93,70.98,30.56,-58.91,-48.87],[185,45.5,76.46,73.46,71.21,30.89,-58.67,-49.73],[190,44.89,76.1,72.97,71.41,31.22,-58.39,-50.59],[195,44.28,75.68,72.45,71.59,31.56,-58.09,-51.44],[200,43.68,75.21,71.92,71.73,31.9,-57.76,-52.28],[205,43.07,74.69,71.37,71.85,32.24,-57.4,-53.12],[210,42.47,74.13,70.81,71.94,32.6,-57.01,-53.94],[215,41.88,73.52,70.23,72.0,32.95,-56.59,-54.76],[220,41.28,72.88,69.63,72.02,33.32,-56.15,-55.57],[225,40.69,72.21,69.03,72.02,33.68,-55.68,-56.37],[230,40.1,71.51,68.42,71.98,34.05,-55.19,-57.15],[235,39.52,70.78,67.79,71.92,34.43,-54.68,-57.92],[240,38.93,70.03,67.16,71.83,34.81,-54.14,-58.68],[245,38.36,69.27,66.52,71.7,35.19,-53.59,-59.43],[250,37.78,68.48,65.87,71.55,35.58,-53.01,-60.15],[255,37.21,67.68,65.22,71.37,35.97,-52.42,-60.87],[260,36.65,66.87,64.56,71.16,36.37,-51.81,-61.56],[265,36.08,66.04,63.9,70.92,36.77,-51.18,-62.23],[270,35.53,65.21,63.23,70.66,37.17,-50.54,-62.88],[275,34.97,64.36,62.56,70.38,37.58,-49.88,-63.5],[280,34.42,63.5,61.88,70.07,37.99,-49.21,-64.1],[285,33.88,62.64,61.21,69.74,38.4,-48.52,-64.68],[290,33.34,61.77,60.53,69.39,38.81,-47.82,-65.22],[295,32.81,60.9,59.84,69.02,39.23,-47.11,-65.73],[300,32.28,60.02,59.16,68.63,39.66,-46.39,-66.21],[305,31.75,59.14,58.48,68.23,40.08,-45.66,-66.65],[310,31.23,58.25,57.79,67.8,40.51,-44.92,-67.06],[315,30.72,57.35,57.1,67.37,40.94,-44.16,-67.42],[320,30.21,56.46,56.42,66.91,41.37,-43.4,-67.74],[325,29.71,55.56,55.73,66.45,41.81,-42.63,-68.02],[330,29.21,54.66,55.04,65.97,42.24,-41.86,-68.26],[335,28.72,53.76,54.35,65.48,42.68,-41.07,-68.44],[340,28.24,52.86,53.67,64.98,43.12,-40.28,-68.58],[345,27.76,51.95,52.98,64.47,43.57,-39.48,-68.67],[350,27.29,51.05,52.29,63.96,44.01,-38.68,-68.71],[355,26.82,50.14,51.61,63.43,44.46,-37.87,-68.69],[360,26.36,49.23,50.92,62.89,44.9,-37.05,-68.63],[365,25.91,48.32,50.24,62.35,45.35,-36.23,-68.52],[370,25.46,47.42,49.56,61.8,45.8,-35.41,-68.36],[375,25.02,46.51,48.88,61.25,46.25,-34.58,-68.15],[380,24.58,45.6,48.2,60.69,46.69,-33.75,-67.9],[385,24.16,44.69,47.53,60.12,47.13,-32.91,-67.6],[390,23.74,43.79,46.86,59.55,47.57,-32.07,-67.25],[395,23.33,42.88,46.18,58.98,48.01,-31.23,-66.87],[400,22.92,41.98,45.52,58.4,48.44,-30.38,-66.45],[405,22.52,41.08,44.85,57.82,48.88,-29.53,-65.99],[410,22.13,40.17,44.19,57.23,49.32,-28.68,-65.49],[415,21.75,39.27,43.53,56.65,49.75,-27.83,-64.97],[420,21.38,38.37,42.87,56.06,50.19,-26.97,-64.41],[425,21.01,37.48,42.21,55.47,50.62,-26.12,-63.82],[430,20.65,36.58,41.56,54.88,51.05,-25.26,-63.21],[435,20.3,35.69,40.91,54.28,51.48,-24.4,-62.57],[440,19.96,34.8,40.27,53.69,51.91,-23.54,-61.91],[4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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-05-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-05T23:40+08:00","end_at":"2026-12-05T23:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-05-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-05T23:50+08:00","end_at":"2026-12-06T02:40+08:00","latest_exposure_start_at":"2026-12-06T02:35+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.27,"maximum_moon_altitude_deg":-41.29,"maximum_sun_altitude_deg":-57.18,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-05-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-06T02:40+08:00","end_at":"2026-12-06T02:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-05-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-06T02:50+08:00","end_at":"2026-12-06T03:50+08:00","latest_exposure_start_at":"2026-12-06T03:35+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.64,"maximum_moon_altitude_deg":-29.38,"maximum_sun_altitude_deg":-57.72,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-05-6","kind":"overhead","target_id":null,"target_name":"转场至 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-05-9","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-06T06:45+08:00","end_at":"2026-12-06T07:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-05-10","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-06T07:10+08:00","end_at":"2026-12-06T07:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-05-11","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-06T07:20+08:00","end_at":"2026-12-06T07:36+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-05","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-05.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-05.json"},"altitude_plot":{"anchor_at":"2026-12-05T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,67.28,56.21,67.3,53.7,23.05,-43.98,-16.7],[5,66.76,57.11,67.93,54.3,23.15,-44.81,-17.58],[10,66.23,58.0,68.55,54.89,23.25,-45.63,-18.46],[15,65.69,58.89,69.17,55.48,23.35,-46.44,-19.34],[20,65.14,59.78,69.77,56.07,23.47,-47.25,-20.22],[25,64.58,60.66,70.36,56.66,23.59,-48.05,-21.11],[30,64.02,61.53,70.93,57.25,23.72,-48.84,-22.0],[35,63.44,62.4,71.5,57.83,23.86,-49.62,-22.89],[40,62.86,63.27,72.04,58.41,24.01,-50.39,-23.78],[45,62.28,64.12,72.57,58.99,24.16,-51.16,-24.68],[50,61.69,64.97,73.08,59.56,24.32,-51.91,-25.57],[55,61.09,65.81,73.57,60.13,24.49,-52.65,-26.47],[60,60.49,66.64,74.03,60.7,24.66,-53.38,-27.37],[65,59.89,67.46,74.47,61.26,24.84,-54.1,-28.27],[70,59.28,68.26,74.87,61.81,25.03,-54.8,-29.18],[75,58.67,69.05,75.25,62.36,25.23,-55.49,-30.08],[80,58.05,69.82,75.6,62.91,25.43,-56.16,-30.98],[85,57.44,70.58,75.91,63.44,25.64,-56.82,-31.89],[90,56.82,71.31,76.18,63.97,25.85,-57.46,-32.79],[95,56.2,72.02,76.4,64.49,26.07,-58.08,-33.7],[100,55.58,72.7,76.59,65.0,26.3,-58.68,-34.6],[105,54.95,73.35,76.73,65.49,26.54,-59.26,-35.51],[110,54.33,73.96,76.83,65.98,26.78,-59.82,-36.41],[115,53.71,74.54,76.87,66.46,27.03,-60.35,-37.32],[120,53.08,75.07,76.87,66.93,27.29,-60.86,-38.22],[125,52.46,75.56,76.83,67.38,27.55,-61.35,-39.12],[130,51.83,75.99,76.73,67.81,27.81,-61.8,-40.02],[135,51.21,76.37,76.59,68.24,28.09,-62.23,-40.92],[140,50.58,76.68,76.4,68.64,28.37,-62.63,-41.82],[145,49.96,76.92,76.17,69.03,28.65,-62.99,-42.71],[150,49.34,77.09,75.9,69.4,28.95,-63.32,-43.6],[155,48.72,77.18,75.59,69.75,29.24,-63.62,-44.49],[160,48.1,77.2,75.25,70.08,29.55,-63.88,-45.38],[165,47.48,77.14,74.87,70.38,29.86,-64.11,-46.26],[170,46.86,77.01,74.46,70.67,30.17,-64.29,-47.14],[175,46.25,76.8,74.02,70.93,30.49,-64.44,-48.01],[180,45.63,76.53,73.56,71.16,30.82,-64.55,-48.88],[185,45.02,76.18,73.07,71.37,31.15,-64.62,-49.75],[190,44.41,75.78,72.56,71.55,31.48,-64.65,-50.6],[195,43.81,75.32,72.04,71.7,31.82,-64.64,-51.45],[200,43.2,74.81,71.49,71.83,32.17,-64.59,-52.3],[205,42.6,74.25,70.93,71.92,32.52,-64.5,-53.14],[210,42.0,73.65,70.35,71.99,32.88,-64.37,-53.96],[215,41.41,73.02,69.76,72.02,33.24,-64.21,-54.78],[220,40.81,72.35,69.16,72.02,33.6,-64.0,-55.59],[225,40.23,71.66,68.55,71.99,33.97,-63.76,-56.39],[230,39.64,70.94,67.93,71.94,34.35,-63.48,-57.18],[235,39.06,70.19,67.29,71.85,34.73,-63.17,-57.96],[240,38.48,69.43,66.66,71.73,35.11,-62.82,-58.72],[245,37.9,68.65,66.01,71.58,35.5,-62.44,-59.46],[250,37.33,67.85,65.36,71.41,35.89,-62.03,-60.2],[255,36.77,67.04,64.7,71.2,36.28,-61.59,-60.91],[260,36.2,66.22,64.04,70.98,36.68,-61.12,-61.6],[265,35.65,65.38,63.37,70.72,37.08,-60.63,-62.28],[270,35.09,64.54,62.7,70.44,37.49,-60.11,-62.93],[275,34.54,63.69,62.03,70.14,37.9,-59.57,-63.56],[280,34.0,62.83,61.35,69.81,38.31,-59.0,-64.17],[285,33.46,61.96,60.67,69.47,38.73,-58.42,-64.74],[290,32.92,61.09,59.99,69.1,39.14,-57.81,-65.29],[295,32.39,60.21,59.31,68.72,39.57,-57.19,-65.81],[300,31.87,59.32,58.62,68.31,39.99,-56.54,-66.29],[305,31.34,58.44,57.94,67.9,40.42,-55.88,-66.74],[310,30.83,57.55,57.25,67.46,40.85,-55.21,-67.15],[315,30.32,56.65,56.56,67.01,41.28,-54.52,-67.51],[320,29.82,55.75,55.87,66.55,41.71,-53.81,-67.84],[325,29.32,54.85,55.19,66.08,42.15,-53.1,-68.13],[330,28.83,53.95,54.5,65.59,42.59,-52.37,-68.36],[335,28.34,53.05,53.81,65.09,43.03,-51.63,-68.55],[340,27.86,52.14,53.13,64.58,43.47,-50.88,-68.7],[345,27.39,51.24,52.44,64.07,43.92,-50.12,-68.79],[350,26.92,50.33,51.75,63.54,44.36,-49.35,-68.83],[355,26.46,49.42,51.07,63.01,44.81,-48.58,-68.82],[360,26.0,48.52,50.39,62.47,45.26,-47.79,-68.77],[365,25.55,47.61,49.71,61.92,45.7,-47.0,-68.66],[370,25.11,46.7,49.03,61.37,46.15,-46.2,-68.5],[375,24.68,45.79,48.35,60.81,46.6,-45.39,-68.29],[380,24.25,44.89,47.67,60.24,47.04,-44.58,-68.04],[385,23.83,43.98,47.0,59.67,47.47,-43.77,-67.74],[390,23.41,43.08,46.33,59.1,47.91,-42.95,-67.4],[395,23.01,42.17,45.66,58.52,48.35,-42.12,-67.02],[400,22.61,41.27,44.99,57.94,48.79,-41.29,-66.6],[405,22.22,40.37,44.33,57.36,49.22,-40.45,-66.14],[410,21.83,39.47,43.67,56.77,49.66,-39.62,-65.65],[415,21.46,38.57,43.01,56.18,50.09,-38.77,-65.12],[420,21.09,37.67,42.35,55.59,50.53,-37.93,-64.57],[425,20.73,36.77,41.7,55.0,50.96,-37.08,-63.98],[430,20.37,35.88,41.05,54.41,51.39,-36.23,-63.37],[435,20.03,34.99,40.41,53.81,51.82,-35.38,-62.73],[440,19.69,34.1,39.77,53.22,52.25,-34.53,-62.07],[445,19.36,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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-06-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-06T20:15+08:00","end_at":"2026-12-06T22:15+08:00","latest_exposure_start_at":"2026-12-06T22:00+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":50.72,"maximum_moon_altitude_deg":-41.47,"maximum_sun_altitude_deg":-19.34,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；LRGB 已达标时，后段也可继续补 OIII。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-06-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-06T22:15+08:00","end_at":"2026-12-06T22:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group 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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-06-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-06T23:35+08:00","end_at":"2026-12-06T23:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-06-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-06T23:45+08:00","end_at":"2026-12-07T02:35+08:00","latest_exposure_start_at":"2026-12-07T02:30+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.46,"maximum_moon_altitude_deg":-52.54,"maximum_sun_altitude_deg":-56.41,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-06-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-07T02:35+08:00","end_at":"2026-12-07T02:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-06-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-07T02:45+08:00","end_at":"2026-12-07T03:45+08:00","latest_exposure_start_at":"2026-12-07T03:30+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.77,"maximum_moon_altitude_deg":-40.89,"maximum_sun_altitude_deg":-58.64,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-06-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-07T03:45+08:00","end_at":"2026-12-07T03:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-06-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-07T03:55+08:00","end_at":"2026-12-07T06:45+08:00","latest_exposure_start_at":"2026-12-07T06:40+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.46,"maximum_moon_altitude_deg":-10.51,"maximum_sun_altitude_deg":-27.26,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-06-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-07T06:45+08:00","end_at":"2026-12-07T07:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-06-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-07T07:10+08:00","end_at":"2026-12-07T07:20+08:00","latest_exposure_start_at":"2026-12-07T07:15+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":1,"exposure_hours":0.083333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.87,"maximum_moon_altitude_deg":-5.05,"maximum_sun_altitude_deg":-21.0,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-06-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-07T07:20+08:00","end_at":"2026-12-07T07:37+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-06","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-06.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-06.json"},"altitude_plot":{"anchor_at":"2026-12-06T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,66.87,56.92,67.8,54.17,23.13,-38.86,-16.71],[5,66.35,57.81,68.42,54.76,23.22,-39.73,-17.59],[10,65.81,58.7,69.04,55.35,23.33,-40.6,-18.46],[15,65.26,59.59,69.64,55.95,23.45,-41.47,-19.34],[20,64.7,60.47,70.23,56.54,23.57,-42.33,-20.23],[25,64.14,61.35,70.81,57.12,23.7,-43.19,-21.11],[30,63.57,62.22,71.38,57.71,23.83,-44.05,-22.0],[35,62.99,63.08,71.93,58.29,23.98,-44.91,-22.89],[40,62.4,63.94,72.46,58.87,24.13,-45.76,-23.78],[45,61.81,64.79,72.97,59.44,24.29,-46.6,-24.68],[50,61.22,65.63,73.46,60.01,24.45,-47.45,-25.57],[55,60.62,66.46,73.93,60.58,24.62,-48.29,-26.47],[60,60.02,67.28,74.37,61.14,24.8,-49.12,-27.37],[65,59.41,68.09,74.79,61.7,24.99,-49.95,-28.27],[70,58.8,68.88,75.17,62.25,25.18,-50.77,-29.18],[75,58.18,69.66,75.53,62.79,25.38,-51.59,-30.08],[80,57.57,70.42,75.84,63.33,25.59,-52.4,-30.98],[85,56.95,71.15,76.12,63.86,25.81,-53.2,-31.89],[90,56.33,71.87,76.36,64.38,26.03,-54.0,-32.79],[95,55.71,72.55,76.55,64.89,26.25,-54.79,-33.7],[100,55.09,73.21,76.71,65.39,26.49,-55.56,-34.6],[105,54.46,73.83,76.81,65.88,26.73,-56.33,-35.51],[110,53.84,74.42,76.87,66.36,26.98,-57.09,-36.41],[115,53.21,74.96,76.88,66.83,27.23,-57.83,-37.32],[120,52.59,75.46,76.84,67.28,27.49,-58.56,-38.22],[125,51.96,75.9,76.75,67.72,27.76,-59.28,-39.12],[130,51.34,76.29,76.62,68.15,28.03,-59.99,-40.02],[135,50.72,76.62,76.45,68.56,28.31,-60.67,-40.92],[140,50.09,76.87,76.22,68.95,28.59,-61.34,-41.82],[145,49.47,77.06,75.96,69.32,28.88,-62.0,-42.71],[150,48.85,77.17,75.66,69.68,29.18,-62.63,-43.61],[155,48.23,77.2,75.32,70.01,29.48,-63.24,-44.5],[160,47.61,77.16,74.95,70.32,29.79,-63.83,-45.38],[165,46.99,77.05,74.55,70.61,30.1,-64.4,-46.26],[170,46.38,76.85,74.12,70.88,30.42,-64.94,-47.14],[175,45.76,76.59,73.66,71.11,30.75,-65.45,-48.02],[180,45.15,76.26,73.18,71.33,31.08,-65.93,-48.89],[185,44.54,75.87,72.67,71.52,31.41,-66.38,-49.75],[190,43.94,75.42,72.15,71.67,31.75,-66.8,-50.61],[195,43.33,74.92,71.61,71.8,32.1,-67.18,-51.46],[200,42.73,74.37,71.05,71.9,32.45,-67.53,-52.31],[205,42.13,73.78,70.48,71.97,32.8,-67.84,-53.15],[210,41.53,73.16,69.89,72.01,33.16,-68.1,-53.98],[215,40.94,72.5,69.29,72.02,33.52,-68.33,-54.8],[220,40.35,71.81,68.68,72.0,33.89,-68.51,-55.61],[225,39.76,71.09,68.06,71.95,34.27,-68.65,-56.41],[230,39.18,70.36,67.43,71.87,34.64,-68.74,-57.2],[235,38.6,69.6,66.79,71.76,35.03,-68.79,-57.98],[240,38.03,68.82,66.15,71.62,35.41,-68.79,-58.74],[245,37.46,68.02,65.5,71.45,35.8,-68.74,-59.49],[250,36.89,67.22,64.84,71.25,36.2,-68.65,-60.23],[255,36.32,66.4,64.18,71.03,36.59,-68.52,-60.94],[260,35.76,65.56,63.52,70.78,37.0,-68.34,-61.64],[265,35.21,64.72,62.85,70.5,37.4,-68.11,-62.32],[270,34.66,63.87,62.17,70.2,37.81,-67.85,-62.98],[275,34.11,63.01,61.5,69.88,38.22,-67.54,-63.61],[280,33.57,62.15,60.82,69.54,38.64,-67.2,-64.22],[285,33.03,61.27,60.14,69.18,39.05,-66.82,-64.8],[290,32.5,60.4,59.45,68.8,39.48,-66.4,-65.35],[295,31.98,59.51,58.77,68.4,39.9,-65.96,-65.87],[300,31.46,58.63,58.08,67.99,40.33,-65.48,-66.36],[305,30.94,57.74,57.4,67.56,40.76,-64.97,-66.81],[310,30.43,56.84,56.71,67.11,41.19,-64.43,-67.22],[315,29.92,55.95,56.02,66.65,41.62,-63.87,-67.6],[320,29.42,55.05,55.33,66.18,42.06,-63.29,-67.93],[325,28.93,54.15,54.65,65.69,42.5,-62.68,-68.22],[330,28.44,53.24,53.96,65.2,42.94,-62.05,-68.46],[335,27.96,52.34,53.27,64.69,43.38,-61.4,-68.66],[340,27.49,51.43,52.59,64.18,43.82,-60.74,-68.81],[345,27.02,50.53,51.9,63.65,44.27,-60.05,-68.9],[350,26.55,49.62,51.22,63.12,44.71,-59.35,-68.95],[355,26.1,48.71,50.53,62.58,45.16,-58.64,-68.95],[360,25.65,47.8,49.85,62.04,45.61,-57.92,-68.89],[365,25.21,46.9,49.17,61.48,46.06,-57.18,-68.79],[370,24.77,45.99,48.49,60.93,46.5,-56.43,-68.63],[375,24.34,45.08,47.82,60.36,46.94,-55.67,-68.43],[380,23.92,44.17,47.14,59.8,47.38,-54.9,-68.18],[385,23.5,43.27,46.47,59.22,47.82,-54.12,-67.89],[390,23.09,42.36,45.8,58.65,48.26,-53.33,-67.55],[395,22.69,41.46,45.13,58.07,48.69,-52.54,-67.17],[400,22.3,40.56,44.47,57.48,49.13,-51.74,-66.75],[405,21.91,39.66,43.81,56.9,49.57,-50.93,-66.29],[410,21.54,38.76,43.15,56.31,50.0,-50.12,-65.8],[415,21.17,37.86,42.49,55.72,50.44,-49.3,-65.27],[420,20.8,36.96,41.84,55.13,50.87,-48.47,-64.72],[425,20.45,36.07,41.19,54.54,51.3,-47.64,-64.13],[430,20.1,35.18,40.54,53.94,51.73,-46.81,-63.52],[435,19.76,34.29,39.9,53.35,52.15,-45.97,-62.88],[440,19.43,33.4,39.26,52.75,52.58,-45.13,-62.22],[445,19.11,32.52,38.6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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-07-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-07T20:15+08:00","end_at":"2026-12-07T22:10+08:00","latest_exposure_start_at":"2026-12-07T21:55+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":50.85,"maximum_moon_altitude_deg":-35.01,"maximum_sun_altitude_deg":-19.34,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；LRGB 已达标时，后段也可继续补 OIII。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-07-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-07T22:10+08:00","end_at":"2026-12-07T22:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-07-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"RGB","filters":["R","G","B"],"start_at":"2026-12-07T22:15+08:00","end_at":"2026-12-07T23:30+08:00","latest_exposure_start_at":"2026-12-07T23:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":12,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.07,"maximum_moon_altitude_deg":-55.58,"maximum_sun_altitude_deg":-40.92,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"R/G/B 轮流各 4 张 × 300 秒，合计 1 小时。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-07-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-07T23:30+08:00","end_at":"2026-12-07T23:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-07-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-07T23:40+08:00","end_at":"2026-12-08T02:30+08:00","latest_exposure_start_at":"2026-12-08T02:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.65,"maximum_moon_altitude_deg":-62.92,"maximum_sun_altitude_deg":-55.62,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-07-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-08T02:30+08:00","end_at":"2026-12-08T02:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-07-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-08T02:40+08:00","end_at":"2026-12-08T03:40+08:00","latest_exposure_start_at":"2026-12-08T03:25+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.89,"maximum_moon_altitude_deg":-51.91,"maximum_sun_altitude_deg":-59.54,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-07-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-08T03:40+08:00","end_at":"2026-12-08T03:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-07-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-08T03:50+08:00","end_at":"2026-12-08T06:40+08:00","latest_exposure_start_at":"2026-12-08T06:35+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.38,"maximum_moon_altitude_deg":-21.26,"maximum_sun_altitude_deg":-28.31,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-07-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-08T06:40+08:00","end_at":"2026-12-08T07:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-07-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-08T07:05+08:00","end_at":"2026-12-08T07:20+08:00","latest_exposure_start_at":"2026-12-08T07:15+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":2,"exposure_hours":0.166667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.81,"maximum_moon_altitude_deg":-14.74,"maximum_sun_altitude_deg":-21.15,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-07-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-08T07:20+08:00","end_at":"2026-12-08T07:37+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-07","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-07.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-07.json"},"altitude_plot":{"anchor_at":"2026-12-07T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,66.46,57.62,68.29,54.64,23.2,-32.4,-16.71],[5,65.92,58.51,68.91,55.23,23.31,-33.27,-17.58],[10,65.38,59.4,69.51,55.82,23.42,-34.14,-18.46],[15,64.82,60.28,70.11,56.41,23.54,-35.01,-19.34],[20,64.26,61.16,70.69,57.0,23.67,-35.88,-20.22],[25,63.69,62.03,71.26,57.58,23.8,-36.76,-21.11],[30,63.11,62.9,71.81,58.16,23.94,-37.63,-22.0],[35,62.53,63.76,72.35,58.74,24.09,-38.5,-22.89],[40,61.94,64.61,72.86,59.32,24.25,-39.37,-23.78],[45,61.35,65.45,73.36,59.89,24.41,-40.24,-24.67],[50,60.75,66.29,73.83,60.46,24.59,-41.11,-25.57],[55,60.15,67.11,74.28,61.02,24.76,-41.98,-26.47],[60,59.54,67.92,74.7,61.58,24.95,-42.85,-27.37],[65,58.93,68.72,75.09,62.13,25.14,-43.72,-28.27],[70,58.32,69.5,75.45,62.67,25.34,-44.59,-29.17],[75,57.7,70.26,75.78,63.21,25.55,-45.45,-30.07],[80,57.08,71.0,76.06,63.74,25.76,-46.31,-30.98],[85,56.46,71.72,76.31,64.27,25.98,-47.17,-31.88],[90,55.84,72.41,76.52,64.78,26.2,-48.03,-32.79],[95,55.22,73.07,76.68,65.28,26.44,-48.89,-33.69],[100,54.6,73.7,76.79,65.78,26.68,-49.74,-34.6],[105,53.97,74.3,76.86,66.26,26.92,-50.59,-35.5],[110,53.35,74.85,76.88,66.73,27.18,-51.43,-36.41],[115,52.72,75.36,76.85,67.19,27.43,-52.27,-37.31],[120,52.1,75.81,76.78,67.63,27.7,-53.11,-38.21],[125,51.47,76.21,76.65,68.06,27.97,-53.94,-39.11],[130,50.85,76.55,76.49,68.47,28.25,-54.76,-40.02],[135,50.23,76.82,76.28,68.87,28.53,-55.58,-40.92],[140,49.6,77.02,76.02,69.24,28.82,-56.39,-41.81],[145,48.98,77.15,75.73,69.6,29.12,-57.2,-42.71],[150,48.36,77.2,75.4,69.94,29.42,-58.0,-43.6],[155,47.74,77.18,75.04,70.26,29.72,-58.79,-44.49],[160,47.12,77.08,74.64,70.55,30.04,-59.56,-45.38],[165,46.51,76.9,74.21,70.82,30.35,-60.33,-46.26],[170,45.89,76.65,73.76,71.07,30.68,-61.09,-47.14],[175,45.28,76.34,73.28,71.29,31.0,-61.84,-48.02],[180,44.67,75.96,72.78,71.48,31.34,-62.57,-48.89],[185,44.06,75.52,72.26,71.64,31.68,-63.29,-49.75],[190,43.46,75.03,71.73,71.78,32.02,-63.99,-50.61],[195,42.86,74.49,71.17,71.89,32.37,-64.68,-51.47],[200,42.26,73.91,70.6,71.96,32.72,-65.34,-52.32],[205,41.66,73.3,70.02,72.01,33.08,-65.99,-53.16],[210,41.07,72.64,69.42,72.02,33.45,-66.61,-53.99],[215,40.48,71.96,68.81,72.01,33.81,-67.21,-54.81],[220,39.89,71.25,68.19,71.96,34.19,-67.79,-55.62],[225,39.31,70.51,67.56,71.89,34.56,-68.33,-56.43],[230,38.73,69.76,66.93,71.78,34.94,-68.85,-57.22],[235,38.15,68.99,66.29,71.65,35.33,-69.33,-58.0],[240,37.58,68.2,65.64,71.49,35.72,-69.78,-58.76],[245,37.01,67.39,64.98,71.29,36.11,-70.19,-59.52],[250,36.44,66.57,64.32,71.08,36.51,-70.57,-60.25],[255,35.88,65.74,63.66,70.83,36.91,-70.89,-60.97],[260,35.33,64.9,62.99,70.56,37.31,-71.18,-61.67],[265,34.78,64.05,62.32,70.27,37.72,-71.42,-62.35],[270,34.23,63.2,61.64,69.95,38.13,-71.61,-63.01],[275,33.69,62.33,60.96,69.62,38.55,-71.75,-63.65],[280,33.15,61.46,60.28,69.26,38.96,-71.84,-64.26],[285,32.62,60.58,59.6,68.88,39.39,-71.87,-64.85],[290,32.09,59.7,58.92,68.49,39.81,-71.86,-65.4],[295,31.57,58.82,58.23,68.08,40.23,-71.79,-65.93],[300,31.05,57.93,57.54,67.65,40.66,-71.68,-66.42],[305,30.54,57.03,56.86,67.21,41.09,-71.51,-66.88],[310,30.03,56.14,56.17,66.75,41.53,-71.29,-67.3],[315,29.53,55.24,55.48,66.28,41.96,-71.03,-67.68],[320,29.04,54.34,54.79,65.8,42.4,-70.72,-68.01],[325,28.55,53.44,54.11,65.3,42.84,-70.37,-68.31],[330,28.06,52.53,53.42,64.8,43.28,-69.97,-68.55],[335,27.59,51.63,52.73,64.29,43.73,-69.54,-68.75],[340,27.12,50.72,52.05,63.77,44.17,-69.07,-68.91],[345,26.65,49.81,51.36,63.24,44.62,-68.57,-69.01],[350,26.2,48.91,50.68,62.7,45.06,-68.04,-69.06],[355,25.74,48.0,50.0,62.15,45.51,-67.48,-69.06],[360,25.3,47.09,49.32,61.6,45.96,-66.89,-69.01],[365,24.86,46.18,48.64,61.05,46.41,-66.28,-68.91],[370,24.43,45.27,47.96,60.48,46.85,-65.65,-68.76],[375,24.01,44.37,47.29,59.92,47.29,-64.99,-68.56],[380,23.59,43.46,46.61,59.35,47.72,-64.32,-68.31],[385,23.18,42.56,45.94,58.77,48.16,-63.63,-68.02],[390,22.78,41.65,45.28,58.19,48.6,-62.92,-67.69],[395,22.38,40.75,44.61,57.61,49.04,-62.2,-67.31],[400,22.0,39.85,43.95,57.02,49.47,-61.46,-66.89],[405,21.62,38.95,43.29,56.44,49.91,-60.71,-66.43],[410,21.24,38.05,42.63,55.85,50.34,-59.95,-65.94],[415,20.88,37.16,41.98,55.26,50.78,-59.18,-65.42],[420,20.52,36.26,41.33,54.66,51.21,-58.4,-64.86],[425,20.18,35.37,40.68,54.07,51.64,-57.61,-64.28],[430,19.84,34.48,40.04,53.47,52.06,-56.82,-63.67],[435,19.5,33.59,39.4,52.88,52.49,-56.01,-63.03],[440,19.18,32.71,38.76,52.28,52.91,-55.2,-62.37],[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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-08-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-08T23:30+08:00","end_at":"2026-12-08T23:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-08-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-08T23:40+08:00","end_at":"2026-12-09T02:30+08:00","latest_exposure_start_at":"2026-12-09T02:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.94,"maximum_moon_altitude_deg":-62.37,"maximum_sun_altitude_deg":-55.63,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-08-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-09T02:30+08:00","end_at":"2026-12-09T02:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group 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totals"},"minimum_target_altitude_deg":55.69,"maximum_moon_altitude_deg":-31.66,"maximum_sun_altitude_deg":-29.35,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-08-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-09T06:35+08:00","end_at":"2026-12-09T07:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-08-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-09T07:00+08:00","end_at":"2026-12-09T07:20+08:00","latest_exposure_start_at":"2026-12-09T07:15+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.73,"maximum_moon_altitude_deg":-24.07,"maximum_sun_altitude_deg":-21.3,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-08-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-09T07:20+08:00","end_at":"2026-12-09T07:38+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-08","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-08.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-08.json"},"altitude_plot":{"anchor_at":"2026-12-08T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,66.04,58.32,68.78,55.1,23.28,-25.04,-16.7],[5,65.49,59.21,69.38,55.69,23.4,-25.89,-17.58],[10,64.94,60.09,69.98,56.28,23.51,-26.73,-18.45],[15,64.38,60.97,70.57,56.87,23.64,-27.58,-19.33],[20,63.81,61.85,71.14,57.46,23.77,-28.43,-20.21],[25,63.24,62.71,71.69,58.04,23.91,-29.29,-21.1],[30,62.65,63.58,72.23,58.62,24.06,-30.14,-21.99],[35,62.07,64.43,72.76,59.2,24.22,-31.0,-22.88],[40,61.47,65.27,73.26,59.77,24.38,-31.86,-23.77],[45,60.88,66.11,73.73,60.34,24.55,-32.72,-24.66],[50,60.27,66.94,74.19,60.9,24.73,-33.58,-25.56],[55,59.67,67.75,74.62,61.46,24.91,-34.45,-26.46],[60,59.06,68.55,75.01,62.01,25.1,-35.31,-27.35],[65,58.45,69.33,75.38,62.56,25.3,-36.17,-28.25],[70,57.83,70.1,75.71,63.1,25.5,-37.04,-29.16],[75,57.21,70.84,76.01,63.63,25.71,-37.91,-30.06],[80,56.6,71.57,76.26,64.15,25.93,-38.77,-30.96],[85,55.97,72.26,76.48,64.67,26.16,-39.64,-31.87],[90,55.35,72.93,76.65,65.18,26.39,-40.51,-32.77],[95,54.73,73.57,76.77,65.67,26.63,-41.38,-33.68],[100,54.11,74.18,76.85,66.16,26.87,-42.25,-34.58],[105,53.48,74.74,76.88,66.63,27.12,-43.11,-35.49],[110,52.86,75.25,76.86,67.09,27.38,-43.98,-36.39],[115,52.23,75.72,76.8,67.54,27.64,-44.85,-37.3],[120,51.61,76.13,76.68,67.97,27.91,-45.71,-38.2],[125,50.98,76.48,76.53,68.38,28.19,-46.58,-39.1],[130,50.36,76.77,76.32,68.78,28.47,-47.44,-40.0],[135,49.74,76.99,76.08,69.16,28.76,-48.3,-40.9],[140,49.11,77.13,75.8,69.53,29.05,-49.16,-41.8],[145,48.49,77.2,75.47,69.87,29.35,-50.02,-42.7],[150,47.87,77.19,75.12,70.19,29.66,-50.87,-43.59],[155,47.26,77.1,74.73,70.49,29.97,-51.73,-44.48],[160,46.64,76.94,74.31,70.76,30.28,-52.58,-45.37],[165,46.02,76.71,73.86,71.02,30.61,-53.42,-46.25],[170,45.41,76.41,73.39,71.24,30.93,-54.26,-47.13],[175,44.8,76.04,72.89,71.44,31.27,-55.1,-48.01],[180,44.19,75.62,72.38,71.61,31.6,-55.94,-48.88],[185,43.59,75.14,71.84,71.75,31.95,-56.76,-49.75],[190,42.99,74.61,71.29,71.86,32.3,-57.59,-50.61],[195,42.39,74.04,70.72,71.95,32.65,-58.4,-51.46],[200,41.79,73.43,70.14,72.0,33.01,-59.22,-52.31],[205,41.19,72.78,69.55,72.02,33.37,-60.02,-53.15],[210,40.6,72.11,68.94,72.02,33.74,-60.81,-53.99],[215,40.01,71.4,68.32,71.98,34.11,-61.6,-54.81],[220,39.43,70.67,67.7,71.91,34.48,-62.37,-55.63],[225,38.85,69.92,67.07,71.81,34.86,-63.14,-56.43],[230,38.27,69.15,66.42,71.68,35.25,-63.89,-57.23],[235,37.7,68.37,65.78,71.52,35.64,-64.63,-58.01],[240,37.13,67.56,65.12,71.34,36.03,-65.36,-58.78],[245,36.56,66.75,64.46,71.13,36.42,-66.07,-59.53],[250,36.0,65.92,63.8,70.89,36.82,-66.76,-60.27],[255,35.45,65.08,63.13,70.62,37.23,-67.43,-60.99],[260,34.89,64.24,62.46,70.33,37.63,-68.09,-61.7],[265,34.35,63.38,61.79,70.02,38.04,-68.72,-62.38],[270,33.8,62.52,61.11,69.69,38.46,-69.32,-63.04],[275,33.26,61.65,60.43,69.34,38.88,-69.9,-63.68],[280,32.73,60.77,59.75,68.97,39.3,-70.45,-64.3],[285,32.2,59.89,59.06,68.57,39.72,-70.96,-64.89],[290,31.68,59.01,58.38,68.17,40.14,-71.44,-65.45],[295,31.16,58.12,57.69,67.74,40.57,-71.89,-65.98],[300,30.65,57.22,57.0,67.3,41.0,-72.29,-66.47],[305,30.14,56.33,56.32,66.85,41.44,-72.64,-66.94],[310,29.64,55.43,55.63,66.38,41.87,-72.95,-67.36],[315,29.14,54.53,54.94,65.9,42.31,-73.22,-67.74],[320,28.65,53.63,54.25,65.41,42.75,-73.43,-68.09],[325,28.17,52.72,53.57,64.91,43.19,-73.58,-68.38],[330,27.69,51.82,52.88,64.4,43.63,-73.68,-68.64],[335,27.22,50.91,52.19,63.88,44.08,-73.73,-68.84],[340,26.75,50.01,51.51,63.35,44.52,-73.71,-69.0],[345,26.29,49.1,50.82,62.81,44.97,-73.65,-69.11],[350,25.84,48.19,50.14,62.27,45.42,-73.52,-69.16],[355,25.39,47.28,49.46,61.72,45.86,-73.34,-69.17],[360,24.95,46.38,48.78,61.17,46.31,-73.11,-69.12],[365,24.52,45.47,48.11,60.6,46.75,-72.83,-69.03],[370,24.1,44.56,47.43,60.04,47.19,-72.49,-68.88],[375,23.68,43.66,46.76,59.47,47.63,-72.12,-68.68],[380,23.27,42.75,46.09,58.89,48.07,-71.7,-68.44],[385,22.86,41.85,45.42,58.31,48.51,-71.24,-68.15],[390,22.47,40.94,44.75,57.73,48.94,-70.75,-67.82],[395,22.08,40.04,44.09,57.15,49.38,-70.22,-67.44],[400,21.7,39.14,43.43,56.56,49.82,-69.66,-67.02],[405,21.32,38.24,42.77,55.97,50.25,-69.07,-66.57],[410,20.96,37.35,42.12,55.38,50.68,-68.45,-66.08],[415,20.6,36.45,41.47,54.79,51.11,-67.81,-65.56],[420,20.25,35.56,40.82,54.2,51.54,-67.15,-65.0],[425,19.91,34.67,40.18,53.6,51.97,-66.47,-64.42],[430,19.57,33.78,39.54,53.0,52.4,-65.77,-63.81],[435,19.25,32.9,38.9,52.41,52.82,-65.06,-63.18],[440,18.93,32.01,38.27,51.81,53.24,-64.33,-62.52],[445,18.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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-09-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-09T20:15+08:00","end_at":"2026-12-09T23:25+08:00","latest_exposure_start_at":"2026-12-09T23:10+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":10,"exposure_hours":2.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.73,"maximum_moon_altitude_deg":-19.53,"maximum_sun_altitude_deg":-19.32,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-09-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-09T23:25+08:00","end_at":"2026-12-09T23:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-09-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-09T23:35+08:00","end_at":"2026-12-10T02:25+08:00","latest_exposure_start_at":"2026-12-10T02:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.14,"maximum_moon_altitude_deg":-53.57,"maximum_sun_altitude_deg":-54.81,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-09-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-10T02:25+08:00","end_at":"2026-12-10T02:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-09-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-10T02:35+08:00","end_at":"2026-12-10T03:35+08:00","latest_exposure_start_at":"2026-12-10T03:20+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.55,"maximum_moon_altitude_deg":-69.62,"maximum_sun_altitude_deg":-60.56,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-09-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-10T03:35+08:00","end_at":"2026-12-10T03:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-09-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-10T03:45+08:00","end_at":"2026-12-10T06:30+08:00","latest_exposure_start_at":"2026-12-10T06:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.61,"maximum_moon_altitude_deg":-41.54,"maximum_sun_altitude_deg":-30.39,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-09-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-10T06:30+08:00","end_at":"2026-12-10T06:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-09-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-10T06:55+08:00","end_at":"2026-12-10T07:20+08:00","latest_exposure_start_at":"2026-12-10T07:15+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":4,"exposure_hours":0.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.65,"maximum_moon_altitude_deg":-32.91,"maximum_sun_altitude_deg":-21.44,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-09-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-10T07:20+08:00","end_at":"2026-12-10T07:39+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-09","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-09.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-09.json"},"altitude_plot":{"anchor_at":"2026-12-09T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,65.61,59.02,69.26,55.57,23.37,-17.1,-16.69],[5,65.06,59.9,69.86,56.16,23.49,-17.91,-17.56],[10,64.5,60.78,70.44,56.75,23.61,-18.72,-18.44],[15,63.93,61.66,71.02,57.33,23.74,-19.53,-19.32],[20,63.36,62.53,71.58,57.92,23.88,-20.34,-20.2],[25,62.78,63.39,72.12,58.5,24.03,-21.16,-21.08],[30,62.19,64.25,72.65,59.07,24.18,-21.99,-21.97],[35,61.6,65.09,73.15,59.65,24.34,-22.81,-22.86],[40,61.0,65.93,73.63,60.22,24.51,-23.64,-23.75],[45,60.4,66.76,74.09,60.78,24.69,-24.47,-24.64],[50,59.8,67.58,74.53,61.34,24.87,-25.31,-25.54],[55,59.19,68.38,74.93,61.89,25.06,-26.15,-26.44],[60,58.58,69.16,75.3,62.44,25.25,-26.99,-27.34],[65,57.96,69.93,75.64,62.98,25.46,-27.83,-28.24],[70,57.35,70.68,75.95,63.52,25.67,-28.67,-29.14],[75,56.73,71.41,76.21,64.04,25.88,-29.52,-30.04],[80,56.11,72.12,76.43,64.56,26.11,-30.37,-30.94],[85,55.49,72.79,76.61,65.07,26.34,-31.22,-31.85],[90,54.86,73.44,76.75,65.57,26.57,-32.08,-32.75],[95,54.24,74.05,76.84,66.05,26.82,-32.93,-33.66],[100,53.61,74.62,76.88,66.53,27.07,-33.79,-34.56],[105,52.99,75.15,76.87,66.99,27.32,-34.65,-35.47],[110,52.36,75.63,76.81,67.44,27.59,-35.51,-36.37],[115,51.74,76.05,76.71,67.88,27.85,-36.37,-37.28],[120,51.12,76.41,76.56,68.3,28.13,-37.23,-38.18],[125,50.49,76.72,76.37,68.7,28.41,-38.09,-39.08],[130,49.87,76.95,76.14,69.08,28.7,-38.95,-39.98],[135,49.25,77.11,75.86,69.45,28.99,-39.82,-40.88],[140,48.63,77.19,75.54,69.8,29.29,-40.68,-41.78],[145,48.01,77.2,75.19,70.12,29.59,-41.55,-42.68],[150,47.39,77.13,74.81,70.43,29.9,-42.41,-43.57],[155,46.77,76.98,74.4,70.71,30.22,-43.28,-44.46],[160,46.16,76.77,73.96,70.96,30.54,-44.14,-45.35],[165,45.54,76.48,73.49,71.19,30.86,-45.01,-46.24],[170,44.93,76.13,73.0,71.4,31.19,-45.87,-47.12],[175,44.32,75.71,72.49,71.58,31.53,-46.73,-48.0],[180,43.72,75.25,71.96,71.72,31.87,-47.59,-48.87],[185,43.11,74.73,71.41,71.84,32.22,-48.45,-49.74],[190,42.51,74.17,70.84,71.93,32.57,-49.31,-50.6],[195,41.92,73.56,70.27,71.99,32.93,-50.17,-51.45],[200,41.32,72.93,69.67,72.02,33.29,-51.02,-52.3],[205,40.73,72.25,69.07,72.02,33.66,-51.88,-53.15],[210,40.14,71.56,68.46,71.99,34.03,-52.73,-53.98],[215,39.55,70.83,67.83,71.92,34.4,-53.57,-54.81],[220,38.97,70.08,67.2,71.83,34.78,-54.42,-55.62],[225,38.4,69.32,66.56,71.71,35.16,-55.26,-56.43],[230,37.82,68.54,65.92,71.56,35.55,-56.09,-57.23],[235,37.25,67.74,65.26,71.38,35.94,-56.92,-58.01],[240,36.68,66.92,64.61,71.17,36.34,-57.75,-58.78],[245,36.12,66.1,63.94,70.94,36.74,-58.57,-59.54],[250,35.56,65.26,63.28,70.68,37.14,-59.38,-60.28],[255,35.01,64.42,62.6,70.4,37.55,-60.19,-61.01],[260,34.46,63.56,61.93,70.09,37.96,-60.99,-61.71],[265,33.92,62.7,61.25,69.76,38.37,-61.78,-62.4],[270,33.38,61.83,60.57,69.41,38.79,-62.56,-63.07],[275,32.84,60.96,59.89,69.05,39.21,-63.34,-63.71],[280,32.31,60.08,59.21,68.66,39.63,-64.1,-64.33],[285,31.79,59.2,58.52,68.25,40.05,-64.84,-64.92],[290,31.27,58.31,57.84,67.83,40.48,-65.58,-65.49],[295,30.76,57.42,57.15,67.4,40.91,-66.3,-66.02],[300,30.25,56.52,56.46,66.95,41.34,-67.0,-66.52],[305,29.74,55.62,55.77,66.48,41.78,-67.69,-66.99],[310,29.25,54.72,55.09,66.0,42.21,-68.35,-67.41],[315,28.76,53.82,54.4,65.52,42.65,-68.99,-67.8],[320,28.27,52.92,53.71,65.02,43.09,-69.61,-68.15],[325,27.79,52.01,53.03,64.51,43.54,-70.21,-68.45],[330,27.32,51.11,52.34,63.99,43.98,-70.77,-68.71],[335,26.85,50.2,51.65,63.46,44.43,-71.3,-68.92],[340,26.39,49.29,50.97,62.93,44.87,-71.8,-69.08],[345,25.94,48.39,50.29,62.39,45.32,-72.26,-69.2],[350,25.49,47.48,49.61,61.84,45.77,-72.68,-69.26],[355,25.05,46.57,48.93,61.28,46.22,-73.05,-69.27],[360,24.61,45.66,48.25,60.72,46.66,-73.38,-69.23],[365,24.19,44.76,47.57,60.16,47.1,-73.66,-69.13],[370,23.77,43.85,46.9,59.59,47.54,-73.89,-68.99],[375,23.35,42.94,46.23,59.02,47.97,-74.06,-68.8],[380,22.95,42.04,45.56,58.44,48.41,-74.17,-68.56],[385,22.55,41.14,44.89,57.86,48.85,-74.23,-68.27],[390,22.16,40.23,44.23,57.27,49.29,-74.23,-67.94],[395,21.78,39.33,43.57,56.69,49.72,-74.17,-67.57],[400,21.4,38.44,42.91,56.1,50.16,-74.06,-67.15],[405,21.03,37.54,42.26,55.51,50.59,-73.89,-66.7],[410,20.67,36.64,41.61,54.92,51.02,-73.66,-66.21],[415,20.32,35.75,40.96,54.32,51.45,-73.38,-65.69],[420,19.98,34.86,40.31,53.73,51.88,-73.05,-65.14],[425,19.64,33.97,39.67,53.13,52.31,-72.68,-64.56],[430,19.32,33.09,39.04,52.54,52.73,-72.26,-63.95],[435,19.0,32.2,38.4,51.94,53.15,-71.8,-63.31],[440,18.69,31.32,37.77,51.34,53.57,-71.3,-62.66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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-10-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-10T20:15+08:00","end_at":"2026-12-10T23:20+08:00","latest_exposure_start_at":"2026-12-10T23:05+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":10,"exposure_hours":2.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.85,"maximum_moon_altitude_deg":-11.08,"maximum_sun_altitude_deg":-19.3,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-10-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-10T23:20+08:00","end_at":"2026-12-10T23:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-10-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-10T23:30+08:00","end_at":"2026-12-11T02:20+08:00","latest_exposure_start_at":"2026-12-11T02:15+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.33,"maximum_moon_altitude_deg":-43.57,"maximum_sun_altitude_deg":-53.97,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-10-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-11T02:20+08:00","end_at":"2026-12-11T02:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-10-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-11T02:30+08:00","end_at":"2026-12-11T03:30+08:00","latest_exposure_start_at":"2026-12-11T03:15+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.68,"maximum_moon_altitude_deg":-70.98,"maximum_sun_altitude_deg":-61.41,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-10-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-11T03:30+08:00","end_at":"2026-12-11T03:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-10-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-11T03:40+08:00","end_at":"2026-12-11T06:30+08:00","latest_exposure_start_at":"2026-12-11T06:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.52,"maximum_moon_altitude_deg":-49.7,"maximum_sun_altitude_deg":-30.53,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-10-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-11T06:30+08:00","end_at":"2026-12-11T06:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-10-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-11T06:55+08:00","end_at":"2026-12-11T07:25+08:00","latest_exposure_start_at":"2026-12-11T07:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":5,"exposure_hours":0.416667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.43,"maximum_moon_altitude_deg":-40.18,"maximum_sun_altitude_deg":-20.69,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-10-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-11T07:25+08:00","end_at":"2026-12-11T07:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-10","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-10.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-10.json"},"altitude_plot":{"anchor_at":"2026-12-10T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,65.18,59.72,69.73,56.03,23.46,-8.8,-16.67],[5,64.62,60.6,70.32,56.62,23.58,-9.55,-17.54],[10,64.06,61.47,70.9,57.21,23.71,-10.31,-18.42],[15,63.48,62.34,71.46,57.79,23.85,-11.08,-19.3],[20,62.9,63.21,72.01,58.37,24.0,-11.85,-20.18],[25,62.32,64.07,72.54,58.95,24.15,-12.62,-21.06],[30,61.73,64.91,73.04,59.53,24.31,-13.4,-21.95],[35,61.13,65.75,73.53,60.1,24.47,-14.19,-22.84],[40,60.53,66.58,74.0,60.66,24.65,-14.98,-23.73],[45,59.93,67.4,74.44,61.22,24.83,-15.77,-24.62],[50,59.32,68.21,74.85,61.78,25.02,-16.57,-25.52],[55,58.71,69.0,75.23,62.33,25.21,-17.37,-26.41],[60,58.09,69.77,75.57,62.87,25.41,-18.18,-27.31],[65,57.48,70.53,75.89,63.4,25.62,-18.99,-28.21],[70,56.86,71.26,76.16,63.93,25.84,-19.81,-29.11],[75,56.24,71.97,76.39,64.45,26.06,-20.62,-30.02],[80,55.62,72.65,76.58,64.96,26.29,-21.45,-30.92],[85,55.0,73.3,76.72,65.46,26.52,-22.27,-31.82],[90,54.37,73.92,76.82,65.95,26.76,-23.1,-32.73],[95,53.75,74.5,76.87,66.43,27.01,-23.93,-33.63],[100,53.12,75.04,76.88,66.89,27.27,-24.76,-34.54],[105,52.5,75.53,76.83,67.35,27.53,-25.6,-35.44],[110,51.87,75.96,76.74,67.78,27.8,-26.44,-36.35],[115,51.25,76.34,76.6,68.21,28.07,-27.28,-37.25],[120,50.63,76.66,76.42,68.61,28.35,-28.13,-38.16],[125,50.0,76.9,76.19,69.0,28.63,-28.97,-39.06],[130,49.38,77.08,75.92,69.37,28.93,-29.82,-39.96],[135,48.76,77.18,75.61,69.73,29.22,-30.67,-40.86],[140,48.14,77.2,75.27,70.06,29.53,-31.52,-41.76],[145,47.52,77.15,74.9,70.36,29.83,-32.38,-42.66],[150,46.9,77.02,74.49,70.65,30.15,-33.23,-43.55],[155,46.29,76.82,74.05,70.91,30.47,-34.09,-44.44],[160,45.67,76.55,73.59,71.15,30.79,-34.95,-45.33],[165,45.06,76.21,73.11,71.36,31.12,-35.81,-46.22],[170,44.45,75.81,72.6,71.54,31.46,-36.67,-47.1],[175,43.85,75.35,72.07,71.69,31.8,-37.53,-47.98],[180,43.24,74.84,71.53,71.82,32.15,-38.39,-48.85],[185,42.64,74.29,70.97,71.92,32.5,-39.25,-49.72],[190,42.04,73.7,70.39,71.98,32.85,-40.12,-50.58],[195,41.45,73.06,69.8,72.02,33.21,-40.98,-51.44],[200,40.85,72.4,69.2,72.02,33.58,-41.84,-52.29],[205,40.27,71.71,68.59,72.0,33.95,-42.71,-53.13],[210,39.68,70.99,67.97,71.94,34.32,-43.57,-53.97],[215,39.1,70.25,67.34,71.85,34.7,-44.43,-54.8],[220,38.52,69.48,66.7,71.74,35.08,-45.29,-55.62],[225,37.94,68.7,66.05,71.59,35.47,-46.15,-56.42],[230,37.37,67.91,65.4,71.42,35.86,-47.01,-57.22],[235,36.8,67.1,64.75,71.22,36.25,-47.87,-58.01],[240,36.24,66.28,64.08,70.99,36.65,-48.72,-58.78],[245,35.68,65.44,63.42,70.74,37.05,-49.58,-59.54],[250,35.13,64.6,62.75,70.46,37.46,-50.43,-60.28],[255,34.58,63.75,62.07,70.16,37.87,-51.28,-61.01],[260,34.03,62.89,61.4,69.84,38.28,-52.12,-61.72],[265,33.49,62.02,60.72,69.49,38.7,-52.97,-62.41],[270,32.96,61.15,60.04,69.13,39.12,-53.81,-63.08],[275,32.43,60.27,59.35,68.74,39.54,-54.64,-63.73],[280,31.9,59.38,58.67,68.34,39.96,-55.47,-64.35],[285,31.38,58.5,57.98,67.92,40.39,-56.3,-64.95],[290,30.86,57.61,57.3,67.49,40.82,-57.12,-65.52],[295,30.36,56.71,56.61,67.04,41.25,-57.93,-66.05],[300,29.85,55.82,55.92,66.58,41.68,-58.74,-66.56],[305,29.35,54.92,55.23,66.11,42.12,-59.54,-67.03],[310,28.86,54.01,54.55,65.62,42.56,-60.33,-67.46],[315,28.37,53.11,53.86,65.13,43.0,-61.12,-67.86],[320,27.89,52.21,53.17,64.62,43.44,-61.89,-68.21],[325,27.42,51.3,52.49,64.1,43.89,-62.66,-68.52],[330,26.95,50.39,51.8,63.58,44.33,-63.41,-68.78],[335,26.49,49.49,51.12,63.04,44.78,-64.15,-68.99],[340,26.03,48.58,50.43,62.5,45.22,-64.87,-69.16],[345,25.58,47.67,49.75,61.96,45.67,-65.58,-69.28],[350,25.14,46.76,49.07,61.4,46.12,-66.27,-69.34],[355,24.71,45.86,48.39,60.84,46.57,-66.95,-69.36],[360,24.28,44.95,47.72,60.28,47.01,-67.6,-69.32],[365,23.86,44.04,47.04,59.71,47.44,-68.23,-69.23],[370,23.44,43.14,46.37,59.14,47.88,-68.84,-69.09],[375,23.03,42.23,45.7,58.56,48.32,-69.42,-68.91],[380,22.64,41.33,45.04,57.98,48.76,-69.98,-68.67],[385,22.24,40.43,44.37,57.4,49.19,-70.5,-68.39],[390,21.86,39.53,43.71,56.81,49.63,-70.98,-68.06],[395,21.48,38.63,43.05,56.22,50.06,-71.43,-67.69],[400,21.11,37.73,42.4,55.63,50.5,-71.84,-67.28],[405,20.75,36.83,41.75,55.04,50.93,-72.21,-66.83],[410,20.4,35.94,41.1,54.45,51.36,-72.53,-66.34],[415,20.05,35.05,40.45,53.85,51.79,-72.81,-65.82],[420,19.72,34.16,39.81,53.26,52.22,-73.03,-65.27],[425,19.39,33.27,39.17,52.66,52.64,-73.2,-64.69],[430,19.07,32.39,38.54,52.07,53.06,-73.32,-64.08],[435,18.75,31.51,37.91,51.47,53.48,-73.38,-63.45],[440,18.45,30.63,37.28,50.87,53.9,-73.39,-62.79],[445,18.16,29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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-11-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-12T06:50+08:00","end_at":"2026-12-12T07:25+08:00","latest_exposure_start_at":"2026-12-12T07:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":5,"exposure_hours":0.416667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.32,"maximum_moon_altitude_deg":-47.29,"maximum_sun_altitude_deg":-20.82,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-11-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-12T07:25+08:00","end_at":"2026-12-12T07:41+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-11","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-11.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-11.json"},"altitude_plot":{"anchor_at":"2026-12-11T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,64.74,60.41,70.19,56.5,23.56,-0.27,-16.65],[5,64.18,61.29,70.77,57.08,23.69,-0.97,-17.52],[10,63.61,62.16,71.34,57.67,23.82,-1.67,-18.39],[15,63.03,63.02,71.89,58.25,23.97,-2.38,-19.27],[20,62.44,63.88,72.42,58.83,24.12,-3.1,-20.15],[25,61.85,64.73,72.94,59.4,24.27,-3.83,-21.03],[30,61.26,65.58,73.43,59.97,24.44,-4.56,-21.92],[35,60.66,66.41,73.9,60.54,24.61,-5.29,-22.81],[40,60.06,67.23,74.35,61.1,24.79,-6.04,-23.7],[45,59.45,68.04,74.76,61.66,24.98,-6.79,-24.59],[50,58.84,68.83,75.15,62.21,25.17,-7.54,-25.49],[55,58.23,69.61,75.5,62.75,25.37,-8.31,-26.38],[60,57.61,70.37,75.82,63.29,25.58,-9.07,-27.28],[65,56.99,71.1,76.1,63.82,25.79,-9.85,-28.18],[70,56.37,71.82,76.34,64.34,26.01,-10.62,-29.08],[75,55.75,72.51,76.54,64.85,26.24,-11.41,-29.98],[80,55.13,73.17,76.7,65.35,26.47,-12.19,-30.89],[85,54.51,73.79,76.8,65.85,26.71,-12.99,-31.79],[90,53.88,74.38,76.87,66.33,26.96,-13.78,-32.7],[95,53.26,74.93,76.88,66.8,27.21,-14.58,-33.6],[100,52.63,75.43,76.84,67.25,27.47,-15.39,-34.51],[105,52.01,75.88,76.76,67.69,27.74,-16.2,-35.41],[110,51.38,76.27,76.63,68.12,28.01,-17.01,-36.32],[115,50.76,76.6,76.46,68.53,28.29,-17.83,-37.22],[120,50.13,76.86,76.24,68.92,28.57,-18.65,-38.12],[125,49.51,77.05,75.98,69.3,28.86,-19.47,-39.03],[130,48.89,77.16,75.68,69.65,29.16,-20.3,-39.93],[135,48.27,77.2,75.35,69.99,29.46,-21.13,-40.83],[140,47.65,77.17,74.98,70.3,29.77,-21.96,-41.73],[145,47.03,77.06,74.58,70.59,30.08,-22.8,-42.63],[150,46.42,76.87,74.15,70.86,30.4,-23.64,-43.52],[155,45.8,76.61,73.69,71.1,30.72,-24.48,-44.41],[160,45.19,76.29,73.21,71.31,31.05,-25.32,-45.3],[165,44.58,75.9,72.71,71.5,31.39,-26.17,-46.19],[170,43.98,75.45,72.19,71.66,31.73,-27.02,-47.07],[175,43.37,74.96,71.65,71.8,32.07,-27.87,-47.95],[180,42.77,74.41,71.09,71.9,32.42,-28.72,-48.82],[185,42.17,73.83,70.51,71.97,32.78,-29.57,-49.69],[190,41.57,73.2,69.93,72.01,33.14,-30.43,-50.56],[195,40.98,72.54,69.33,72.02,33.5,-31.29,-51.42],[200,40.39,71.86,68.72,72.0,33.87,-32.14,-52.27],[205,39.8,71.14,68.1,71.96,34.24,-33.0,-53.11],[210,39.22,70.41,67.47,71.88,34.62,-33.86,-53.95],[215,38.64,69.65,66.84,71.77,35.0,-34.72,-54.78],[220,38.07,68.87,66.19,71.63,35.39,-35.58,-55.6],[225,37.49,68.08,65.54,71.46,35.78,-36.45,-56.41],[230,36.93,67.27,64.89,71.26,36.17,-37.31,-57.21],[235,36.36,66.45,64.23,71.04,36.57,-38.17,-58.0],[240,35.8,65.62,63.56,70.79,36.97,-39.03,-58.77],[245,35.25,64.78,62.89,70.52,37.37,-39.89,-59.53],[250,34.7,63.93,62.22,70.23,37.78,-40.76,-60.28],[255,34.15,63.07,61.54,69.91,38.19,-41.62,-61.01],[260,33.61,62.21,60.86,69.57,38.61,-42.48,-61.72],[265,33.07,61.33,60.18,69.21,39.03,-43.34,-62.42],[270,32.54,60.46,59.5,68.83,39.45,-44.19,-63.09],[275,32.01,59.57,58.82,68.43,39.87,-45.05,-63.74],[280,31.49,58.69,58.13,68.01,40.3,-45.9,-64.37],[285,30.97,57.8,57.44,67.58,40.73,-46.75,-64.97],[290,30.46,56.9,56.76,67.14,41.16,-47.6,-65.54],[295,29.96,56.01,56.07,66.68,41.59,-48.45,-66.08],[300,29.46,55.11,55.38,66.21,42.03,-49.29,-66.59],[305,28.96,54.21,54.69,65.73,42.47,-50.13,-67.06],[310,28.48,53.3,54.01,65.23,42.91,-50.97,-67.5],[315,27.99,52.4,53.32,64.73,43.35,-51.8,-67.9],[320,27.52,51.49,52.63,64.21,43.79,-52.63,-68.26],[325,27.05,50.59,51.95,63.69,44.23,-53.45,-68.57],[330,26.59,49.68,51.26,63.16,44.68,-54.27,-68.84],[335,26.13,48.77,50.58,62.62,45.13,-55.08,-69.06],[340,25.68,47.87,49.9,62.07,45.58,-55.89,-69.23],[345,25.23,46.96,49.22,61.52,46.03,-56.69,-69.35],[350,24.8,46.05,48.54,60.96,46.47,-57.48,-69.42],[355,24.37,45.14,47.86,60.4,46.91,-58.26,-69.44],[360,23.95,44.24,47.19,59.83,47.35,-59.03,-69.41],[365,23.53,43.33,46.52,59.26,47.79,-59.79,-69.32],[370,23.12,42.43,45.85,58.69,48.23,-60.54,-69.19],[375,22.72,41.52,45.18,58.11,48.66,-61.28,-69.01],[380,22.33,40.62,44.51,57.52,49.1,-62.01,-68.77],[385,21.94,39.72,43.85,56.94,49.54,-62.72,-68.49],[390,21.56,38.82,43.19,56.35,49.97,-63.41,-68.17],[395,21.19,37.92,42.54,55.76,50.41,-64.09,-67.8],[400,20.83,37.03,41.88,55.17,50.84,-64.75,-67.39],[405,20.47,36.13,41.23,54.58,51.27,-65.39,-66.94],[410,20.13,35.24,40.59,53.98,51.7,-66.01,-66.46],[415,19.79,34.35,39.95,53.39,52.12,-66.61,-65.94],[420,19.46,33.46,39.31,52.79,52.55,-67.18,-65.39],[425,19.13,32.58,38.67,52.19,52.97,-67.72,-64.81],[430,18.82,31.7,38.04,51.6,53.39,-68.23,-64.21],[435,18.52,30.82,37.41,51.0,53.81,-68.71,-63.57],[440,18.22,29.94,36.79,50.4,54.22,-69.16,-62.92],[445,17.93,29.07,36.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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-12T20:07+08:00","astronomical_dawn_at":"2026-12-13T07:41+08:00","science_end_at":"2026-12-13T07:25+08:00","moon":{"illumination_at_night_start_pct":10.4,"moonless_window":["2026-12-12T21:15+08:00","2026-12-13T07:25+08:00"],"moonless_label":"21:15—次日 07:25"},"target_windows":{"Ou4":{"start_above40":"2026-12-12T20:15+08:00","end_above40":"2026-12-12T23:10+08:00","transit":"2026-12-13T17:45+08:00"},"M33 三角座星系":{"start_above40":"2026-12-12T20:15+08:00","end_above40":"2026-12-13T02:10+08:00","transit":"2026-12-12T22:11+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-12T20:15+08:00","end_above40":"2026-12-13T02:45+08:00","transit":"2026-12-12T21:29+08:00"},"心脏 IC1805":{"start_above40":"2026-12-12T20:15+08:00","end_above40":"2026-12-13T04:40+08:00","transit":"2026-12-12T23:10+08:00"},"M81":{"start_above40":"2026-12-13T00:40+08:00","end_above40":"2026-12-13T07:25+08:00","transit":"2026-12-13T06:32+08:00"},"M82":{"start_above40":"2026-12-13T00:40+08:00","end_above40":"2026-12-13T07:25+08:00","transit":"2026-12-13T06:32+08:00"}},"segments":[{"id":"2026-12-12-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-12T20:07+08:00","end_at":"2026-12-12T20:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-12-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-12T20:15+08:00","end_at":"2026-12-12T21:10+08:00","latest_exposure_start_at":"2026-12-12T20:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.88,"maximum_moon_altitude_deg":6.45,"maximum_sun_altitude_deg":-19.24,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替，每张 900 秒；按各通道未完成量补拍。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-12-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-12T21:10+08:00","end_at":"2026-12-12T21:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-12-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-12T21:15+08:00","end_at":"2026-12-12T23:10+08:00","latest_exposure_start_at":"2026-12-12T22:55+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.11,"maximum_moon_altitude_deg":-1.98,"maximum_sun_altitude_deg":-29.95,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-12-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-12T23:10+08:00","end_at":"2026-12-12T23:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-12-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-12T23:20+08:00","end_at":"2026-12-13T02:10+08:00","latest_exposure_start_at":"2026-12-13T02:05+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.72,"maximum_moon_altitude_deg":-22.13,"maximum_sun_altitude_deg":-52.24,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-12-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-13T02:10+08:00","end_at":"2026-12-13T02:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-12-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-13T02:20+08:00","end_at":"2026-12-13T03:20+08:00","latest_exposure_start_at":"2026-12-13T03:05+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.94,"maximum_moon_altitude_deg":-52.6,"maximum_sun_altitude_deg":-63.04,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-12-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-13T03:20+08:00","end_at":"2026-12-13T03:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-12-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-13T03:30+08:00","end_at":"2026-12-13T06:20+08:00","latest_exposure_start_at":"2026-12-13T06:15+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.35,"maximum_moon_altitude_deg":-62.14,"maximum_sun_altitude_deg":-32.6,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-12-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-13T06:20+08:00","end_at":"2026-12-13T06:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-12-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-13T06:45+08:00","end_at":"2026-12-13T07:25+08:00","latest_exposure_start_at":"2026-12-13T07:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":6,"exposure_hours":0.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.2,"maximum_moon_altitude_deg":-52.83,"maximum_sun_altitude_deg":-20.95,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-12-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-13T07:25+08:00","end_at":"2026-12-13T07:41+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-12","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-12.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-12.json"},"altitude_plot":{"anchor_at":"2026-12-12T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,64.3,61.1,70.65,56.96,23.66,8.36,-16.62],[5,63.73,61.97,71.22,57.54,23.79,7.73,-17.49],[10,63.15,62.84,71.77,58.13,23.93,7.09,-18.36],[15,62.57,63.7,72.31,58.7,24.08,6.45,-19.24],[20,61.98,64.55,72.83,59.28,24.24,5.79,-20.12],[25,61.39,65.4,73.33,59.85,24.4,5.12,-21.0],[30,60.79,66.23,73.8,60.42,24.57,4.45,-21.89],[35,60.19,67.05,74.25,60.98,24.75,3.76,-22.77],[40,59.58,67.86,74.68,61.54,24.94,3.07,-23.66],[45,58.97,68.66,75.07,62.09,25.13,2.37,-24.56],[50,58.36,69.44,75.43,62.64,25.33,1.67,-25.45],[55,57.74,70.21,75.76,63.18,25.53,0.95,-26.35],[60,57.12,70.95,76.05,63.71,25.74,0.23,-27.25],[65,56.5,71.67,76.3,64.23,25.96,-0.5,-28.14],[70,55.88,72.36,76.5,64.74,26.19,-1.24,-29.05],[75,55.26,73.03,76.67,65.25,26.42,-1.98,-29.95],[80,54.64,73.66,76.79,65.74,26.66,-2.73,-30.85],[85,54.01,74.26,76.86,66.23,26.91,-3.48,-31.75],[90,53.39,74.82,76.88,66.7,27.16,-4.24,-32.66],[95,52.77,75.33,76.86,67.15,27.42,-5.01,-33.56],[100,52.14,75.78,76.78,67.6,27.68,-5.78,-34.47],[105,51.52,76.19,76.66,68.03,27.95,-6.56,-35.37],[110,50.89,76.53,76.5,68.44,28.23,-7.34,-36.28],[115,50.27,76.81,76.29,68.84,28.51,-8.13,-37.18],[120,49.64,77.01,76.04,69.22,28.8,-8.92,-38.09],[125,49.02,77.15,75.75,69.58,29.09,-9.72,-38.99],[130,48.4,77.2,75.42,69.92,29.4,-10.52,-39.89],[135,47.78,77.18,75.06,70.24,29.7,-11.33,-40.79],[140,47.17,77.09,74.67,70.53,30.01,-12.14,-41.69],[145,46.55,76.91,74.24,70.8,30.33,-12.96,-42.59],[150,45.94,76.67,73.79,71.05,30.65,-13.77,-43.48],[155,45.32,76.36,73.32,71.27,30.98,-14.6,-44.38],[160,44.71,75.99,72.82,71.47,31.32,-15.42,-45.27],[165,44.11,75.55,72.3,71.63,31.65,-16.25,-46.15],[170,43.5,75.07,71.76,71.77,32.0,-17.08,-47.04],[175,42.9,74.53,71.21,71.88,32.35,-17.92,-47.92],[180,42.3,73.95,70.64,71.96,32.7,-18.76,-48.79],[185,41.7,73.34,70.05,72.01,33.06,-19.6,-49.66],[190,41.11,72.69,69.46,72.02,33.42,-20.44,-50.53],[195,40.52,72.01,68.85,72.01,33.79,-21.28,-51.39],[200,39.93,71.3,68.23,71.97,34.16,-22.13,-52.24],[205,39.35,70.57,67.61,71.89,34.54,-22.98,-53.09],[210,38.76,69.81,66.97,71.79,34.92,-23.83,-53.92],[215,38.19,69.04,66.33,71.66,35.3,-24.69,-54.75],[220,37.62,68.25,65.68,71.5,35.69,-25.54,-55.58],[225,37.05,67.45,65.03,71.31,36.08,-26.4,-56.39],[230,36.48,66.63,64.37,71.09,36.48,-27.26,-57.19],[235,35.92,65.8,63.7,70.85,36.88,-28.12,-57.98],[240,35.36,64.96,63.03,70.58,37.29,-28.98,-58.76],[245,34.81,64.11,62.36,70.29,37.69,-29.84,-59.52],[250,34.27,63.25,61.69,69.98,38.1,-30.7,-60.27],[255,33.72,62.39,61.01,69.64,38.52,-31.56,-61.0],[260,33.18,61.52,60.33,69.28,38.94,-32.42,-61.72],[265,32.65,60.64,59.65,68.91,39.36,-33.28,-62.41],[270,32.12,59.76,58.96,68.52,39.78,-34.15,-63.09],[275,31.6,58.88,58.28,68.1,40.21,-35.01,-63.74],[280,31.08,57.99,57.59,67.68,40.63,-35.87,-64.37],[285,30.57,57.09,56.9,67.24,41.06,-36.73,-64.97],[290,30.07,56.2,56.22,66.78,41.5,-37.59,-65.55],[295,29.56,55.3,55.53,66.31,41.93,-38.45,-66.1],[300,29.07,54.4,54.84,65.83,42.37,-39.3,-66.61],[305,28.58,53.5,54.15,65.34,42.81,-40.16,-67.09],[310,28.1,52.59,53.46,64.84,43.25,-41.01,-67.53],[315,27.62,51.69,52.78,64.32,43.7,-41.86,-67.93],[320,27.15,50.78,52.09,63.8,44.14,-42.71,-68.3],[325,26.68,49.87,51.41,63.27,44.59,-43.56,-68.61],[330,26.23,48.97,50.72,62.74,45.03,-44.4,-68.89],[335,25.77,48.06,50.04,62.19,45.48,-45.24,-69.11],[340,25.33,47.15,49.36,61.64,45.93,-46.08,-69.29],[345,24.89,46.24,48.68,61.08,46.38,-46.91,-69.42],[350,24.46,45.34,48.01,60.52,46.82,-47.74,-69.49],[355,24.03,44.43,47.33,59.96,47.26,-48.57,-69.52],[360,23.62,43.52,46.66,59.38,47.69,-49.38,-69.49],[365,23.21,42.62,45.99,58.81,48.13,-50.2,-69.41],[370,22.8,41.72,45.32,58.23,48.57,-51.0,-69.28],[375,22.41,40.81,44.66,57.65,49.01,-51.8,-69.1],[380,22.02,39.91,43.99,57.06,49.44,-52.6,-68.87],[385,21.64,39.01,43.33,56.48,49.88,-53.38,-68.59],[390,21.27,38.11,42.68,55.89,50.31,-54.16,-68.27],[395,20.9,37.22,42.02,55.3,50.75,-54.93,-67.91],[400,20.55,36.32,41.37,54.7,51.18,-55.68,-67.5],[405,20.2,35.43,40.73,54.11,51.61,-56.43,-67.06],[410,19.86,34.54,40.08,53.51,52.03,-57.17,-66.57],[415,19.53,33.65,39.44,52.92,52.46,-57.89,-66.06],[420,19.2,32.77,38.81,52.32,52.88,-58.6,-65.51],[425,18.89,31.89,38.17,51.72,53.3,-59.29,-64.93],[430,18.58,31.01,37.55,51.13,53.72,-59.97,-64.33],[435,18.28,30.13,36.92,50.53,54.13,-60.64,-63.7],[440,17.99,29.26,36.3,49.94,54.54,-61.28,-63.04],[445,17.71,28.38,35.69,49.34,54.95,-61.91,-62.36],[450,17.44,27.52,35.08,48.75,55.35,-62.51,-61.67],[455,17.18,26.65,34.47,48.15,55.75,-63.1,-60.95],[460,16.92,25.79,33.87,47.56,56.14,-63.65,-60.22],[465,16.68,24.94,33.27,46.97,56.53,-64.19,-59.47],[470,16.44,24.08,32.68,46.38,56.91,-64.69,-58.7],[475,16.21,23.24,32.09,45.79,57.29,-65.17,-57.92],[480,16.0,22.39,31.51,45.2,57.66,-65.62,-57.13],[485,15.79,21.55,30.94,44.62,58.02,-66.03,-56.33],[490,15.59,20.71,30.36,44.04,58.38,-66.42,-55.52],[495,15.4,19.88,29.8,43.46,58.73,-66.76,-54.7],[500,15.22,19.06,29.24,42.88,59.07,-67.07,-53.87],[505,15.05,18.24,28.69,42.31,59.4,-67.34,-53.03],[510,14.9,17.42,28.14,41.73,59.73,-67.56,-52.18],[515,14.75,16.61,27.6,41.17,60.05,-67.75,-51.33],[520,14.61,15.8,27.06,40.6,60.35,-67.89,-50.47],[525,14.48,15.0,26.53,40.04,60.65,-67.99,-49.6],[530,14.35,14.21,26.01,39.48,60.94,-68.04,-48.73],[535,14.24,13.42,25.49,38.92,61.22,-68.05,-47.86],[540,14.14,12.63,24.98,38.37,61.49,-68.02,-46.98],[545,14.05,11.86,24.48,37.82,61.74,-67.94,-46.09],[550,13.97,11.08,23.98,37.27,61.99,-67.81,-45.21],[555,13.9,10.32,23.49,36.73,62.22,-67.65,-44.32],[560,13.84,9.56,23.01,36.2,62.44,-67.44,-43.42],[565,13.79,8.81,22.54,35.66,62.65,-67.18,-42.53],[570,13.75,8.07,22.07,35.14,62.84,-66.89,-41.63],[575,13.73,7.33,21.61,34.61,63.02,-66.56,-40.73],[580,13.71,6.6,21.16,34.09,63.19,-66.2,-39.83],[585,13.7,5.88,20.71,33.58,63.34,-65.79,-38.93],[590,13.7,5.17,20.27,33.07,63.48,-65.36,-38.03],[595,13.71,4.46,19.84,32.56,63.61,-64.89,-37.12],[600,13.73,3.77,19.42,32.06,63.72,-64.39,-36.22],[605,13.76,3.08,19.01,31.57,63.81,-63.87,-35.32],[610,13.8,2.4,18.61,31.08,63.89,-63.32,-34.41],[615,13.86,1.73,18.21,30.59,63.95,-62.74,-33.51],[620,13.92,1.06,17.82,30.11,64.0,-62.14,-32.6],[625,13.99,0.41,17.44,29.64,64.03,-61.52,-31.7],[630,14.07,-0.23,17.07,29.17,64.05,-60.88,-30.79],[635,14.16,-0.86,16.71,28.71,64.05,-60.22,-29.89],[640,14.27,-1.49,16.36,28.26,64.03,-59.54,-28.99],[645,14.38,-2.1,16.01,27.81,64.0,-58.85,-28.09],[650,14.5,-2.7,15.68,27.36,63.96,-58.14,-27.19],[655,14.63,-3.3,15.35,26.93,63.89,-57.42,-26.29],[660,14.78,-3.88,15.04,26.5,63.81,-56.68,-25.4],[665,14.93,-4.45,14.73,26.07,63.72,-55.93,-24.5],[670,15.09,-5.01,14.44,25.65,63.61,-55.17,-23.61],[675,15.26,-5.55,14.15,25.24,63.49,-54.4,-22.72],[680,15.44,-6.09,13.87,24.84,63.35,-53.62,-21.84],[685,15.63,-6.61,13.6,24.44,63.2,-52.83,-20.95],[690,15.83,-7.12,13.35,24.05,63.03,-52.03,-20.07],[695,16.04,-7.62,13.1,23.67,62.85,-51.23,-19.19],[700,16.26,-8.1,12.86,23.29,62.65,-50.42,-18.31],[705,16.49,-8.58,12.63,22.93,62.45,-49.6,-17.44],[710,16.73,-9.03,12.42,22.56,62.23,-48.77,-16.57],[715,16.97,-9.48,12.21,22.21,61.99,-47.94,-15.7],[720,17.23,-9.91,12.01,21.87,61.75,-47.1,-14.84]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-12-12T23:20+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":71.3,"transit_at":"2026-12-12T22:11+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-12T23:20+08:00","2026-12-13T02:10+08:00"],"moonless_post_transit":["2026-12-12T22:25+08:00","2026-12-13T02:10+08:00"]},"45":{"moonless_after_ou4":["2026-12-12T23:20+08:00","2026-12-13T01:45+08:00"],"moonless_post_transit":["2026-12-12T22:25+08:00","2026-12-13T01:45+08:00"]}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.2,"transit_at":"2026-12-13T06:32+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-13T00:40+08:00","2026-12-13T07:25+08:00"],"moonless_post_transit":["2026-12-13T06:45+08:00","2026-12-13T07:25+08:00"]},"45":{"moonless_after_ou4":["2026-12-13T01:35+08:00","2026-12-13T07:25+08:00"],"moonless_post_transit":["2026-12-13T06:45+08:00","2026-12-13T07:25+08:00"]}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.5,"transit_at":"2026-12-13T06:32+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-13T00:40+08:00","2026-12-13T07:25+08:00"],"moonless_post_transit":["2026-12-13T06:45+08:00","2026-12-13T07:25+08:00"]},"45":{"moonless_after_ou4":["2026-12-13T01:35+08:00","2026-12-13T07:25+08:00"],"moonless_post_transit":["2026-12-13T06:45+08:00","2026-12-13T07:25+08:00"]}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-12-13","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 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IC1805":{"start_above40":"2026-12-13T20:15+08:00","end_above40":"2026-12-14T04:35+08:00","transit":"2026-12-13T23:06+08:00"},"M81":{"start_above40":"2026-12-14T00:35+08:00","end_above40":"2026-12-14T07:25+08:00","transit":"2026-12-14T06:28+08:00"},"M82":{"start_above40":"2026-12-14T00:35+08:00","end_above40":"2026-12-14T07:25+08:00","transit":"2026-12-14T06:28+08:00"}},"segments":[{"id":"2026-12-13-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-13T20:08+08:00","end_at":"2026-12-13T20:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-13-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-13T20:15+08:00","end_at":"2026-12-13T22:15+08:00","latest_exposure_start_at":"2026-12-13T22:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":47.3,"maximum_moon_altitude_deg":15.32,"maximum_sun_altitude_deg":-19.2,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替，每张 900 秒；按各通道未完成量补拍。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-13-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-13T22:15+08:00","end_at":"2026-12-13T22:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-13-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-13T22:20+08:00","end_at":"2026-12-13T23:10+08:00","latest_exposure_start_at":"2026-12-13T22:55+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":2,"exposure_hours":0.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.64,"maximum_moon_altitude_deg":-2.12,"maximum_sun_altitude_deg":-41.65,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-13-4","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-13T23:10+08:00","end_at":"2026-12-13T23:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-13-5","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-13T23:20+08:00","end_at":"2026-12-14T02:10+08:00","latest_exposure_start_at":"2026-12-14T02:05+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.01,"maximum_moon_altitude_deg":-11.89,"maximum_sun_altitude_deg":-52.2,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-13-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-14T02:10+08:00","end_at":"2026-12-14T02:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-13-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-14T02:20+08:00","end_at":"2026-12-14T03:20+08:00","latest_exposure_start_at":"2026-12-14T03:05+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.47,"maximum_moon_altitude_deg":-42.55,"maximum_sun_altitude_deg":-63.16,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-13-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-14T03:20+08:00","end_at":"2026-12-14T03:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-13-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-14T03:30+08:00","end_at":"2026-12-14T06:15+08:00","latest_exposure_start_at":"2026-12-14T06:10+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.66,"maximum_moon_altitude_deg":-53.35,"maximum_sun_altitude_deg":-33.63,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-13-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-14T06:15+08:00","end_at":"2026-12-14T06:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-13-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-14T06:40+08:00","end_at":"2026-12-14T07:25+08:00","latest_exposure_start_at":"2026-12-14T07:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":7,"exposure_hours":0.583333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":63.07,"maximum_moon_altitude_deg":-56.05,"maximum_sun_altitude_deg":-21.08,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-13-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-14T07:25+08:00","end_at":"2026-12-14T07:42+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-13","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-13.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-13.json"},"altitude_plot":{"anchor_at":"2026-12-13T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,63.85,61.79,71.1,57.42,23.76,17.01,-16.58],[5,63.28,62.66,71.66,58.0,23.9,16.46,-17.45],[10,62.69,63.52,72.2,58.58,24.05,15.89,-18.32],[15,62.11,64.37,72.72,59.16,24.21,15.32,-19.2],[20,61.51,65.22,73.22,59.73,24.37,14.73,-20.08],[25,60.92,66.05,73.7,60.3,24.54,14.13,-20.96],[30,60.31,66.88,74.16,60.86,24.71,13.53,-21.85],[35,59.71,67.69,74.59,61.42,24.9,12.91,-22.73],[40,59.1,68.49,74.99,61.97,25.09,12.28,-23.62],[45,58.49,69.28,75.36,62.52,25.28,11.63,-24.52],[50,57.87,70.04,75.69,63.06,25.49,10.98,-25.41],[55,57.26,70.79,75.99,63.59,25.7,10.32,-26.31],[60,56.64,71.52,76.25,64.12,25.92,9.65,-27.2],[65,56.02,72.22,76.46,64.63,26.14,8.98,-28.1],[70,55.39,72.89,76.64,65.14,26.37,8.29,-29.0],[75,54.77,73.53,76.76,65.64,26.61,7.59,-29.9],[80,54.15,74.14,76.85,66.12,26.85,6.89,-30.81],[85,53.52,74.7,76.88,66.6,27.1,6.17,-31.71],[90,52.9,75.22,76.86,67.06,27.36,5.45,-32.62],[95,52.27,75.69,76.8,67.51,27.62,4.73,-33.52],[100,51.65,76.11,76.69,67.94,27.89,3.99,-34.43],[105,51.02,76.46,76.54,68.36,28.17,3.25,-35.33],[110,50.4,76.75,76.34,68.76,28.45,2.5,-36.24],[115,49.78,76.98,76.1,69.14,28.74,1.75,-37.14],[120,49.16,77.12,75.82,69.5,29.03,0.98,-38.04],[125,48.53,77.2,75.5,69.85,29.33,0.22,-38.95],[130,47.92,77.19,75.14,70.17,29.64,-0.56,-39.85],[135,47.3,77.11,74.75,70.47,29.95,-1.34,-40.75],[140,46.68,76.96,74.34,70.75,30.26,-2.12,-41.65],[145,46.07,76.73,73.89,71.0,30.58,-2.91,-42.55],[150,45.45,76.43,73.42,71.23,30.91,-3.71,-43.44],[155,44.84,76.07,72.93,71.43,31.24,-4.51,-44.34],[160,44.24,75.65,72.41,71.6,31.58,-5.31,-45.23],[165,43.63,75.17,71.88,71.74,31.92,-6.12,-46.11],[170,43.03,74.65,71.33,71.86,32.27,-6.93,-47.0],[175,42.43,74.08,70.76,71.94,32.62,-7.75,-47.88],[180,41.83,73.47,70.18,72.0,32.98,-8.57,-48.75],[185,41.23,72.83,69.59,72.02,33.34,-9.4,-49.62],[190,40.64,72.15,68.98,72.02,33.71,-10.22,-50.49],[195,40.05,71.45,68.37,71.98,34.08,-11.06,-51.35],[200,39.47,70.72,67.74,71.91,34.46,-11.89,-52.2],[205,38.89,69.97,67.11,71.82,34.84,-12.73,-53.05],[210,38.31,69.21,66.47,71.69,35.22,-13.57,-53.89],[215,37.74,68.42,65.82,71.53,35.61,-14.41,-54.72],[220,37.17,67.62,65.17,71.35,36.0,-15.26,-55.55],[225,36.6,66.8,64.51,71.14,36.4,-16.11,-56.36],[230,36.04,65.98,63.85,70.9,36.8,-16.96,-57.16],[235,35.48,65.14,63.18,70.64,37.2,-17.81,-57.95],[240,34.93,64.29,62.51,70.35,37.61,-18.66,-58.73],[245,34.38,63.44,61.83,70.05,38.02,-19.52,-59.5],[250,33.84,62.58,61.15,69.71,38.43,-20.38,-60.25],[255,33.3,61.71,60.47,69.36,38.85,-21.23,-60.98],[260,32.77,60.83,59.79,68.99,39.27,-22.09,-61.7],[265,32.24,59.95,59.11,68.6,39.69,-22.95,-62.4],[270,31.71,59.07,58.42,68.19,40.11,-23.81,-63.08],[275,31.19,58.18,57.74,67.77,40.54,-24.68,-63.74],[280,30.68,57.29,57.05,67.33,40.97,-25.54,-64.37],[285,30.17,56.39,56.36,66.88,41.41,-26.4,-64.98],[290,29.67,55.49,55.67,66.41,41.84,-27.26,-65.56],[295,29.17,54.59,54.99,65.93,42.28,-28.13,-66.11],[300,28.68,53.69,54.3,65.44,42.72,-28.99,-66.62],[305,28.2,52.79,53.61,64.94,43.16,-29.85,-67.11],[310,27.72,51.88,52.92,64.43,43.6,-30.71,-67.55],[315,27.25,50.97,52.24,63.91,44.04,-31.57,-67.96],[320,26.78,50.07,51.55,63.39,44.49,-32.43,-68.33],[325,26.32,49.16,50.87,62.85,44.94,-33.29,-68.65],[330,25.87,48.25,50.19,62.31,45.38,-34.14,-68.93],[335,25.42,47.35,49.51,61.76,45.83,-34.99,-69.16],[340,24.98,46.44,48.83,61.2,46.28,-35.85,-69.34],[345,24.55,45.53,48.15,60.64,46.72,-36.7,-69.47],[350,24.12,44.62,47.48,60.08,47.16,-37.54,-69.55],[355,23.71,43.72,46.8,59.51,47.6,-38.39,-69.58],[360,23.29,42.81,46.13,58.93,48.04,-39.23,-69.56],[365,22.89,41.91,45.46,58.35,48.48,-40.06,-69.49],[370,22.49,41.01,44.8,57.77,48.91,-40.9,-69.36],[375,22.1,40.1,44.13,57.19,49.35,-41.72,-69.18],[380,21.72,39.2,43.47,56.6,49.78,-42.55,-68.96],[385,21.35,38.31,42.82,56.01,50.22,-43.37,-68.69],[390,20.98,37.41,42.16,55.42,50.65,-44.18,-68.37],[395,20.62,36.51,41.51,54.83,51.08,-44.99,-68.01],[400,20.27,35.62,40.86,54.24,51.51,-45.79,-67.6],[405,19.93,34.73,40.22,53.64,51.94,-46.59,-67.16],[410,19.6,33.84,39.58,53.04,52.37,-47.37,-66.68],[415,19.27,32.96,38.94,52.45,52.79,-48.15,-66.17],[420,18.95,32.07,38.31,51.85,53.21,-48.93,-65.62],[425,18.64,31.19,37.68,51.26,53.63,-49.69,-65.05],[430,18.34,30.32,37.06,50.66,54.04,-50.44,-64.44],[435,18.05,29.44,36.43,50.06,54.45,-51.19,-63.81],[440,17.77,28.57,35.82,49.47,54.86,-51.92,-63.16],[445,17.5,27.7,35.21,48.87,55.26,-52.64,-62.48],[450,17.2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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-14-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-14T23:05+08:00","end_at":"2026-12-14T23:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-14-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-14T23:25+08:00","end_at":"2026-12-15T02:05+08:00","latest_exposure_start_at":"2026-12-15T02:00+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":27,"exposure_hours":2.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.2,"maximum_moon_altitude_deg":-2.26,"maximum_sun_altitude_deg":-53.01,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-14-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-15T02:05+08:00","end_at":"2026-12-15T02:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-14-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-15T02:15+08:00","end_at":"2026-12-15T03:15+08:00","latest_exposure_start_at":"2026-12-15T03:00+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.59,"maximum_moon_altitude_deg":-31.27,"maximum_sun_altitude_deg":-63.92,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-14-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-15T03:15+08:00","end_at":"2026-12-15T03:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-14-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-15T03:25+08:00","end_at":"2026-12-15T06:10+08:00","latest_exposure_start_at":"2026-12-15T06:05+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.58,"maximum_moon_altitude_deg":-42.62,"maximum_sun_altitude_deg":-34.66,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-14-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-15T06:10+08:00","end_at":"2026-12-15T06:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-14-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-15T06:35+08:00","end_at":"2026-12-15T07:25+08:00","latest_exposure_start_at":"2026-12-15T07:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":8,"exposure_hours":0.666667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":62.93,"maximum_moon_altitude_deg":-56.23,"maximum_sun_altitude_deg":-21.2,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-14-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-15T07:25+08:00","end_at":"2026-12-15T07:43+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-14","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-14.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-14.json"},"altitude_plot":{"anchor_at":"2026-12-14T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,63.4,62.47,71.54,57.88,23.87,25.55,-16.54],[5,62.82,63.33,72.08,58.46,24.02,25.09,-17.41],[10,62.23,64.19,72.61,59.03,24.17,24.62,-18.28],[15,61.64,65.04,73.12,59.61,24.33,24.14,-19.16],[20,61.04,65.88,73.6,60.18,24.5,23.64,-20.04],[25,60.44,66.7,74.06,60.74,24.67,23.12,-20.92],[30,59.84,67.52,74.5,61.3,24.86,22.59,-21.8],[35,59.23,68.32,74.9,61.86,25.04,22.05,-22.69],[40,58.62,69.11,75.28,62.41,25.24,21.49,-23.58],[45,58.0,69.88,75.62,62.95,25.44,20.92,-24.47],[50,57.39,70.63,75.93,63.48,25.65,20.34,-25.36],[55,56.77,71.36,76.19,64.01,25.87,19.75,-26.26],[60,56.15,72.07,76.42,64.53,26.09,19.14,-27.16],[65,55.53,72.75,76.6,65.03,26.32,18.52,-28.05],[70,54.9,73.4,76.74,65.53,26.56,17.89,-28.96],[75,54.28,74.01,76.83,66.02,26.8,17.25,-29.86],[80,53.66,74.58,76.88,66.5,27.05,16.6,-30.76],[85,53.03,75.11,76.87,66.96,27.3,15.94,-31.66],[90,52.41,75.6,76.82,67.41,27.57,15.27,-32.57],[95,51.78,76.02,76.72,67.85,27.83,14.59,-33.47],[100,51.16,76.39,76.58,68.27,28.11,13.9,-34.38],[105,50.53,76.7,76.39,68.67,28.39,13.2,-35.28],[110,49.91,76.93,76.15,69.06,28.68,12.49,-36.19],[115,49.29,77.1,75.88,69.43,28.97,11.77,-37.09],[120,48.67,77.19,75.57,69.77,29.27,11.05,-38.0],[125,48.05,77.2,75.22,70.1,29.57,10.31,-38.9],[130,47.43,77.14,74.84,70.41,29.88,9.57,-39.8],[135,46.81,77.0,74.43,70.69,30.19,8.83,-40.7],[140,46.2,76.78,73.99,70.95,30.51,8.07,-41.6],[145,45.58,76.5,73.52,71.18,30.84,7.31,-42.5],[150,44.97,76.15,73.03,71.39,31.17,6.54,-43.4],[155,44.36,75.74,72.52,71.56,31.51,5.77,-44.29],[160,43.76,75.28,71.99,71.71,31.85,4.99,-45.18],[165,43.15,74.77,71.45,71.84,32.2,4.2,-46.07],[170,42.55,74.21,70.88,71.93,32.55,3.41,-46.95],[175,41.96,73.61,70.31,71.99,32.9,2.62,-47.83],[180,41.36,72.97,69.71,72.02,33.27,1.81,-48.71],[185,40.77,72.3,69.11,72.02,33.63,1.01,-49.58],[190,40.18,71.6,68.5,71.99,34.0,0.2,-50.45],[195,39.59,70.88,67.88,71.93,34.38,-0.62,-51.31],[200,39.01,70.14,67.24,71.84,34.75,-1.44,-52.16],[205,38.43,69.37,66.61,71.72,35.14,-2.26,-53.01],[210,37.86,68.59,65.96,71.57,35.52,-3.09,-53.85],[215,37.29,67.79,65.31,71.39,35.92,-3.92,-54.69],[220,36.72,66.98,64.65,71.19,36.31,-4.75,-55.51],[225,36.16,66.15,63.99,70.96,36.71,-5.59,-56.33],[230,35.6,65.32,63.32,70.7,37.11,-6.43,-57.13],[235,35.05,64.47,62.65,70.42,37.52,-7.28,-57.92],[240,34.5,63.62,61.98,70.11,37.93,-8.12,-58.7],[245,33.95,62.76,61.3,69.79,38.34,-8.97,-59.47],[250,33.41,61.89,60.62,69.44,38.76,-9.82,-60.22],[255,32.88,61.02,59.94,69.07,39.18,-10.67,-60.96],[260,32.35,60.14,59.25,68.69,39.6,-11.53,-61.68],[265,31.82,59.26,58.57,68.28,40.02,-12.38,-62.38],[270,31.3,58.37,57.88,67.86,40.45,-13.24,-63.07],[275,30.79,57.48,57.2,67.43,40.88,-14.1,-63.72],[280,30.28,56.58,56.51,66.98,41.31,-14.96,-64.36],[285,29.78,55.68,55.82,66.51,41.75,-15.82,-64.97],[290,29.28,54.78,55.13,66.04,42.18,-16.68,-65.55],[295,28.79,53.88,54.45,65.55,42.62,-17.55,-66.11],[300,28.3,52.98,53.76,65.05,43.06,-18.41,-66.63],[305,27.82,52.07,53.07,64.54,43.51,-19.27,-67.12],[310,27.35,51.17,52.39,64.03,43.95,-20.14,-67.57],[315,26.88,50.26,51.7,63.5,44.39,-21.0,-67.98],[320,26.42,49.35,51.02,62.97,44.84,-21.86,-68.35],[325,25.97,48.45,50.33,62.42,45.29,-22.72,-68.68],[330,25.52,47.54,49.65,61.88,45.74,-23.59,-68.96],[335,25.08,46.63,48.97,61.32,46.19,-24.45,-69.2],[340,24.64,45.72,48.3,60.76,46.63,-25.3,-69.39],[345,24.22,44.82,47.62,60.2,47.07,-26.16,-69.52],[350,23.79,43.91,46.95,59.63,47.51,-27.02,-69.61],[355,23.38,43.01,46.28,59.06,47.94,-27.87,-69.64],[360,22.98,42.1,45.61,58.48,48.38,-28.73,-69.62],[365,22.58,41.2,44.94,57.9,48.82,-29.57,-69.55],[370,22.19,40.3,44.28,57.31,49.26,-30.42,-69.43],[375,21.8,39.4,43.62,56.73,49.69,-31.27,-69.26],[380,21.43,38.5,42.96,56.14,50.13,-32.11,-69.04],[385,21.06,37.6,42.3,55.55,50.56,-32.95,-68.77],[390,20.7,36.7,41.65,54.96,50.99,-33.78,-68.46],[395,20.35,35.81,41.0,54.36,51.42,-34.61,-68.1],[400,20.0,34.92,40.36,53.77,51.85,-35.44,-67.7],[405,19.67,34.03,39.72,53.17,52.28,-36.26,-67.26],[410,19.34,33.15,39.08,52.58,52.7,-37.07,-66.78],[415,19.02,32.26,38.44,51.98,53.12,-37.88,-66.27],[420,18.71,31.38,37.81,51.38,53.54,-38.69,-65.73],[425,18.41,30.5,37.19,50.79,53.96,-39.49,-65.15],[430,18.11,29.63,36.57,50.19,54.37,-40.28,-64.55],[435,17.83,28.76,35.95,49.59,54.78,-41.07,-63.92],[440,17.55,27.89,35.34,49.0,55.18,-41.85,-63.27],[445,17.29,27.02,34.73,48.4,55.58,-42.62,-62.59],[450,17.03,26.16,34.12,47.81,55.97,-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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-15-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-16T06:35+08:00","end_at":"2026-12-16T07:25+08:00","latest_exposure_start_at":"2026-12-16T07:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":8,"exposure_hours":0.666667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":62.78,"maximum_moon_altitude_deg":-53.2,"maximum_sun_altitude_deg":-21.31,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-15-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-16T07:25+08:00","end_at":"2026-12-16T07:43+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-15","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-15.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-15.json"},"altitude_plot":{"anchor_at":"2026-12-15T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,62.94,63.15,71.97,58.33,23.99,33.81,-16.49],[5,62.36,64.01,72.5,58.91,24.14,33.47,-17.36],[10,61.77,64.86,73.01,59.49,24.3,33.12,-18.23],[15,61.17,65.7,73.5,60.06,24.46,32.75,-19.11],[20,60.57,66.53,73.97,60.62,24.64,32.36,-19.99],[25,59.97,67.35,74.41,61.18,24.82,31.95,-20.87],[30,59.36,68.15,74.82,61.74,25.0,31.53,-21.75],[35,58.75,68.94,75.2,62.29,25.2,31.08,-22.64],[40,58.14,69.72,75.55,62.83,25.4,30.62,-23.53],[45,57.52,70.48,75.87,63.37,25.61,30.14,-24.42],[50,56.9,71.21,76.14,63.9,25.82,29.64,-25.31],[55,56.28,71.92,76.38,64.42,26.04,29.13,-26.21],[60,55.66,72.61,76.57,64.93,26.27,28.61,-27.1],[65,55.04,73.26,76.72,65.43,26.51,28.07,-28.0],[70,54.41,73.88,76.82,65.92,26.75,27.51,-28.9],[75,53.79,74.46,76.87,66.4,27.0,26.94,-29.8],[80,53.17,75.0,76.88,66.86,27.25,26.35,-30.71],[85,52.54,75.5,76.84,67.32,27.51,25.76,-31.61],[90,51.92,75.94,76.75,67.75,27.78,25.15,-32.51],[95,51.29,76.32,76.61,68.18,28.05,24.52,-33.42],[100,50.67,76.64,76.43,68.59,28.33,23.89,-34.32],[105,50.04,76.89,76.21,68.98,28.61,23.24,-35.23],[110,49.42,77.07,75.94,69.35,28.9,22.59,-36.13],[115,48.8,77.18,75.64,69.7,29.2,21.92,-37.04],[120,48.18,77.2,75.3,70.03,29.5,21.24,-37.94],[125,47.56,77.16,74.92,70.34,29.81,20.55,-38.84],[130,46.94,77.03,74.52,70.63,30.13,19.85,-39.75],[135,46.33,76.84,74.08,70.89,30.45,19.14,-40.65],[140,45.72,76.57,73.62,71.13,30.77,18.43,-41.55],[145,45.1,76.23,73.14,71.34,31.1,17.7,-42.45],[150,44.49,75.84,72.63,71.53,31.44,16.97,-43.34],[155,43.89,75.38,72.11,71.68,31.78,16.22,-44.24],[160,43.28,74.88,71.57,71.81,32.12,15.47,-45.13],[165,42.68,74.33,71.01,71.91,32.47,14.72,-46.02],[170,42.08,73.74,70.43,71.98,32.83,13.95,-46.9],[175,41.49,73.11,69.84,72.02,33.19,13.18,-47.78],[180,40.89,72.45,69.24,72.02,33.55,12.4,-48.66],[185,40.31,71.75,68.63,72.0,33.92,11.62,-49.53],[190,39.72,71.04,68.01,71.95,34.3,10.83,-50.4],[195,39.14,70.3,67.38,71.86,34.67,10.03,-51.26],[200,38.56,69.54,66.74,71.75,35.06,9.23,-52.12],[205,37.98,68.76,66.1,71.6,35.44,8.43,-52.97],[210,37.41,67.96,65.45,71.43,35.83,7.61,-53.81],[215,36.84,67.15,64.79,71.23,36.23,6.8,-54.64],[220,36.28,66.33,64.13,71.01,36.62,5.98,-55.47],[225,35.72,65.5,63.46,70.76,37.03,5.15,-56.28],[230,35.17,64.66,62.79,70.48,37.43,4.33,-57.09],[235,34.62,63.8,62.12,70.18,37.84,3.49,-57.89],[240,34.07,62.94,61.44,69.86,38.25,2.66,-58.67],[245,33.53,62.08,60.76,69.51,38.67,1.82,-59.44],[250,32.99,61.21,60.08,69.15,39.09,0.98,-60.19],[255,32.46,60.33,59.4,68.77,39.51,0.13,-60.93],[260,31.94,59.45,58.72,68.37,39.93,-0.71,-61.65],[265,31.41,58.56,58.03,67.95,40.36,-1.56,-62.36],[270,30.9,57.67,57.34,67.52,40.79,-2.42,-63.04],[275,30.39,56.77,56.66,67.07,41.22,-3.27,-63.71],[280,29.88,55.88,55.97,66.61,41.65,-4.13,-64.34],[285,29.39,54.98,55.28,66.14,42.09,-4.98,-64.96],[290,28.89,54.08,54.59,65.66,42.53,-5.84,-65.54],[295,28.41,53.17,53.91,65.16,42.97,-6.7,-66.1],[300,27.92,52.27,53.22,64.65,43.41,-7.57,-66.63],[305,27.45,51.36,52.53,64.14,43.85,-8.43,-67.12],[310,26.98,50.46,51.85,63.61,44.3,-9.29,-67.57],[315,26.52,49.55,51.16,63.08,44.75,-10.16,-67.99],[320,26.06,48.64,50.48,62.54,45.19,-11.02,-68.37],[325,25.61,47.73,49.8,61.99,45.64,-11.88,-68.7],[330,25.17,46.83,49.12,61.44,46.09,-12.75,-68.99],[335,24.73,45.92,48.44,60.88,46.54,-13.61,-69.23],[340,24.31,45.01,47.76,60.32,46.97,-14.47,-69.42],[345,23.88,44.1,47.09,59.75,47.41,-15.34,-69.56],[350,23.47,43.2,46.42,59.18,47.85,-16.2,-69.65],[355,23.06,42.29,45.75,58.6,48.29,-17.06,-69.69],[360,22.66,41.39,45.08,58.02,48.73,-17.92,-69.68],[365,22.27,40.49,44.42,57.44,49.16,-18.78,-69.61],[370,21.88,39.59,43.76,56.85,49.6,-19.63,-69.5],[375,21.51,38.69,43.1,56.26,50.03,-20.49,-69.33],[380,21.14,37.79,42.44,55.67,50.47,-21.34,-69.11],[385,20.77,36.9,41.79,55.08,50.9,-22.19,-68.85],[390,20.42,36.0,41.14,54.49,51.33,-23.04,-68.54],[395,20.08,35.11,40.49,53.89,51.76,-23.88,-68.18],[400,19.74,34.22,39.85,53.3,52.19,-24.72,-67.79],[405,19.41,33.33,39.21,52.7,52.61,-25.56,-67.35],[410,19.09,32.45,38.58,52.11,53.03,-26.39,-66.88],[415,18.78,31.57,37.95,51.51,53.45,-27.22,-66.37],[420,18.47,30.69,37.32,50.91,53.87,-28.05,-65.83],[425,18.18,29.81,36.7,50.32,54.28,-28.87,-65.25],[430,17.89,28.94,36.08,49.72,54.69,-29.69,-64.65],[435,17.61,28.07,35.47,49.13,55.09,-30.5,-64.03],[440,17.34,27.21,34.86,48.53,55.49,-31.3,-63.38],[445,17.08,26.34,34.25,47.94,55.89,-32.1,-62.7],[450,16.83,25.49,33.65,47.35,56.2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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-16T20:08+08:00","astronomical_dawn_at":"2026-12-17T07:44+08:00","science_end_at":"2026-12-17T07:25+08:00","moon":{"illumination_at_night_start_pct":42.8,"moonless_window":["2026-12-17T01:35+08:00","2026-12-17T07:25+08:00"],"moonless_label":"次日 01:35—次日 07:25"},"target_windows":{"Ou4":{"start_above40":"2026-12-16T20:15+08:00","end_above40":"2026-12-16T22:55+08:00","transit":"2026-12-17T17:29+08:00"},"M33 三角座星系":{"start_above40":"2026-12-16T20:15+08:00","end_above40":"2026-12-17T01:55+08:00","transit":"2026-12-16T21:55+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-16T20:15+08:00","end_above40":"2026-12-17T02:25+08:00","transit":"2026-12-16T21:14+08:00"},"心脏 IC1805":{"start_above40":"2026-12-16T20:15+08:00","end_above40":"2026-12-17T04:20+08:00","transit":"2026-12-16T22:54+08:00"},"M81":{"start_above40":"2026-12-17T00:25+08:00","end_above40":"2026-12-17T07:25+08:00","transit":"2026-12-17T06:16+08:00"},"M82":{"start_above40":"2026-12-17T00:20+08:00","end_above40":"2026-12-17T07:25+08:00","transit":"2026-12-17T06:16+08:00"}},"segments":[{"id":"2026-12-16-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-16T20:08+08:00","end_at":"2026-12-16T20:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-16-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-16T20:15+08:00","end_at":"2026-12-16T22:55+08:00","latest_exposure_start_at":"2026-12-16T22:40+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":9,"exposure_hours":2.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.02,"maximum_moon_altitude_deg":40.89,"maximum_sun_altitude_deg":-19.05,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-16-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-16T22:55+08:00","end_at":"2026-12-16T23:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-16-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-16-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-17T00:45+08:00","end_at":"2026-12-17T01:30+08:00","latest_exposure_start_at":"2026-12-17T01:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":2,"exposure_hours":0.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.0,"maximum_moon_altitude_deg":6.14,"maximum_sun_altitude_deg":-64.94,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-16-6","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-17T01:30+08:00","end_at":"2026-12-17T01:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-16-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-17T01:35+08:00","end_at":"2026-12-17T02:10+08:00","latest_exposure_start_at":"2026-12-17T01:55+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":1,"exposure_hours":0.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.39,"maximum_moon_altitude_deg":-2.46,"maximum_sun_altitude_deg":-69.25,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-16-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-17T02:10+08:00","end_at":"2026-12-17T02:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-16-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-17T02:20+08:00","end_at":"2026-12-17T06:05+08:00","latest_exposure_start_at":"2026-12-17T06:00+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":38,"exposure_hours":3.166667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":50.81,"maximum_moon_altitude_deg":-10.23,"maximum_sun_altitude_deg":-35.8,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-16-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-17T06:05+08:00","end_at":"2026-12-17T06:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-16-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-17T06:30+08:00","end_at":"2026-12-17T07:25+08:00","latest_exposure_start_at":"2026-12-17T07:20+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":9,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":62.63,"maximum_moon_altitude_deg":-45.09,"maximum_sun_altitude_deg":-21.43,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-16-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-17T07:25+08:00","end_at":"2026-12-17T07:44+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-16","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-16.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-16.json"},"altitude_plot":{"anchor_at":"2026-12-16T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,62.48,63.83,72.39,58.79,24.11,41.48,-16.44],[5,61.89,64.68,72.9,59.36,24.26,41.31,-17.31],[10,61.3,65.52,73.4,59.94,24.43,41.11,-18.18],[15,60.7,66.35,73.87,60.5,24.6,40.89,-19.05],[20,60.1,67.17,74.32,61.06,24.78,40.65,-19.93],[25,59.49,67.98,74.73,61.62,24.96,40.38,-20.81],[30,58.88,68.78,75.12,62.17,25.16,40.09,-21.69],[35,58.27,69.55,75.48,62.72,25.36,39.78,-22.58],[40,57.65,70.32,75.8,63.25,25.56,39.45,-23.47],[45,57.03,71.06,76.09,63.78,25.78,39.09,-24.36],[50,56.41,71.77,76.33,64.31,26.0,38.71,-25.25],[55,55.79,72.46,76.53,64.82,26.22,38.32,-26.15],[60,55.17,73.12,76.69,65.32,26.46,37.9,-27.04],[65,54.55,73.75,76.8,65.81,26.7,37.46,-27.94],[70,53.92,74.34,76.86,66.29,26.94,37.0,-28.84],[75,53.3,74.89,76.88,66.76,27.19,36.53,-29.74],[80,52.67,75.4,76.85,67.22,27.45,36.04,-30.65],[85,52.05,75.85,76.77,67.66,27.72,35.53,-31.55],[90,51.42,76.24,76.64,68.09,27.99,35.0,-32.45],[95,50.8,76.57,76.47,68.5,28.27,34.45,-33.36],[100,50.18,76.84,76.26,68.9,28.55,33.9,-34.26],[105,49.55,77.04,76.0,69.27,28.84,33.32,-35.17],[110,48.93,77.16,75.7,69.63,29.14,32.73,-36.07],[115,48.31,77.2,75.37,69.96,29.44,32.13,-36.98],[120,47.69,77.17,75.01,70.28,29.75,31.51,-37.88],[125,47.08,77.07,74.61,70.57,30.06,30.88,-38.78],[130,46.46,76.88,74.18,70.84,30.38,30.23,-39.69],[135,45.85,76.63,73.72,71.08,30.7,29.58,-40.59],[140,45.23,76.31,73.25,71.3,31.03,28.91,-41.49],[145,44.62,75.93,72.74,71.49,31.36,28.23,-42.39],[150,44.02,75.49,72.22,71.65,31.7,27.54,-43.28],[155,43.41,74.99,71.68,71.79,32.05,26.84,-44.18],[160,42.81,74.45,71.13,71.89,32.4,26.13,-45.07],[165,42.21,73.87,70.55,71.97,32.75,25.41,-45.96],[170,41.61,73.25,69.97,72.01,33.11,24.68,-46.84],[175,41.02,72.59,69.37,72.02,33.47,23.94,-47.73],[180,40.43,71.9,68.76,72.01,33.84,23.2,-48.6],[185,39.84,71.19,68.14,71.96,34.21,22.44,-49.48],[190,39.26,70.46,67.52,71.88,34.59,21.68,-50.34],[195,38.68,69.7,66.88,71.77,34.97,20.91,-51.21],[200,38.1,68.93,66.24,71.64,35.36,20.13,-52.06],[205,37.53,68.13,65.59,71.47,35.75,19.35,-52.91],[210,36.96,67.33,64.93,71.28,36.14,18.56,-53.76],[215,36.4,66.51,64.27,71.06,36.54,17.77,-54.59],[220,35.84,65.68,63.61,70.81,36.94,16.96,-55.42],[225,35.28,64.84,62.94,70.54,37.34,16.16,-56.24],[230,34.73,63.99,62.26,70.25,37.75,15.34,-57.04],[235,34.19,63.13,61.59,69.93,38.16,14.53,-57.84],[240,33.64,62.26,60.91,69.59,38.58,13.71,-58.63],[245,33.11,61.39,60.23,69.23,39.0,12.88,-59.4],[250,32.57,60.52,59.55,68.85,39.42,12.05,-60.15],[255,32.05,59.63,58.86,68.46,39.84,11.22,-60.9],[260,31.53,58.75,58.18,68.04,40.27,10.38,-61.62],[265,31.01,57.86,57.49,67.61,40.7,9.54,-62.33],[270,30.5,56.96,56.8,67.17,41.13,8.69,-63.01],[275,29.99,56.07,56.11,66.71,41.56,7.85,-63.68],[280,29.49,55.17,55.43,66.24,42.0,7.0,-64.32],[285,29.0,54.27,54.74,65.76,42.43,6.14,-64.94],[290,28.51,53.37,54.05,65.27,42.87,5.29,-65.53],[295,28.03,52.46,53.36,64.76,43.32,4.43,-66.09],[300,27.55,51.56,52.68,64.25,43.76,3.58,-66.62],[305,27.08,50.65,51.99,63.73,44.2,2.72,-67.11],[310,26.62,49.74,51.31,63.19,44.65,1.85,-67.57],[315,26.16,48.83,50.63,62.66,45.1,0.99,-67.99],[320,25.71,47.93,49.94,62.11,45.55,0.13,-68.37],[325,25.26,47.02,49.26,61.56,45.99,-0.73,-68.71],[330,24.83,46.11,48.58,61.0,46.44,-1.6,-69.0],[335,24.4,45.2,47.91,60.44,46.88,-2.46,-69.25],[340,23.97,44.3,47.23,59.87,47.32,-3.33,-69.45],[345,23.56,43.39,46.56,59.3,47.76,-4.19,-69.6],[350,23.15,42.49,45.89,58.72,48.19,-5.06,-69.69],[355,22.75,41.58,45.22,58.15,48.63,-5.92,-69.74],[360,22.35,40.68,44.56,57.56,49.07,-6.79,-69.73],[365,21.97,39.78,43.9,56.98,49.51,-7.65,-69.67],[370,21.59,38.88,43.24,56.39,49.94,-8.51,-69.56],[375,21.21,37.98,42.58,55.8,50.37,-9.37,-69.39],[380,20.85,37.09,41.93,55.21,50.81,-10.23,-69.18],[385,20.5,36.19,41.28,54.62,51.24,-11.09,-68.92],[390,20.15,35.3,40.63,54.02,51.67,-11.94,-68.61],[395,19.81,34.41,39.99,53.43,52.1,-12.8,-68.26],[400,19.48,33.52,39.35,52.83,52.52,-13.65,-67.87],[405,19.16,32.64,38.71,52.23,52.94,-14.5,-67.43],[410,18.84,31.76,38.08,51.64,53.36,-15.34,-66.96],[415,18.54,30.88,37.46,51.04,53.78,-16.19,-66.46],[420,18.24,30.0,36.83,50.44,54.19,-17.03,-65.92],[425,17.95,29.13,36.21,49.85,54.6,-17.86,-65.35],[430,17.67,28.26,35.6,49.25,55.01,-18.7,-64.75],[435,17.4,27.39,34.99,48.66,55.41,-19.53,-64.12],[440,17.14,26.53,34.38,48.07,55.8,-20.35,-63.48],[445,16.89,25.67,33.78,47.47,56.2,-21.17,-62.8],[450,16.64,24.81,33.19,46.88,56.58,-21.99,-62.11],[455,16.41,23.96,32.59,46.29,56.96,-22.8,-61.4],[460,16.18,23.11,32.01,45.7,57.34,-23.6,-60.67],[465,15.97,22.27,31.43,45.12,57.71,-24.4,-59.92],[470,15.76,21.43,30.85,44.53,58.07,-25.2,-59.16],[475,15.56,20.59,30.28,43.95,58.43,-25.99,-58.38],[480,15.38,19.76,29.72,43.37,58.78,-26.77,-57.6],[485,15.2,18.94,29.16,42.8,59.12,-27.54,-56.8],[490,15.03,18.12,28.61,42.22,59.45,-28.31,-55.99],[495,14.87,17.3,28.06,41.65,59.78,-29.07,-55.17],[500,14.72,16.49,27.52,41.08,60.09,-29.82,-54.34],[505,14.59,15.68,26.98,40.52,60.4,-30.57,-53.5],[510,14.46,14.88,26.45,39.95,60.7,-31.3,-52.65],[515,14.34,14.09,25.93,39.4,60.98,-32.03,-51.8],[520,14.23,13.3,25.42,38.84,61.26,-32.74,-50.94],[525,14.13,12.52,24.91,38.29,61.52,-33.45,-50.08],[530,14.04,11.74,24.41,37.74,61.78,-34.15,-49.21],[535,13.96,10.97,23.91,37.2,62.02,-34.83,-48.33],[540,13.89,10.21,23.42,36.66,62.25,-35.51,-47.46],[545,13.84,9.45,22.94,36.12,62.47,-36.17,-46.57],[550,13.79,8.7,22.47,35.59,62.68,-36.82,-45.69],[555,13.75,7.96,22.0,35.06,62.87,-37.46,-44.8],[560,13.72,7.23,21.54,34.54,63.05,-38.08,-43.9],[565,13.7,6.5,21.09,34.02,63.21,-38.69,-43.01],[570,13.7,5.78,20.65,33.5,63.37,-39.29,-42.11],[575,13.7,5.07,20.21,32.99,63.5,-39.87,-41.21],[580,13.71,4.36,19.78,32.49,63.62,-40.43,-40.31],[585,13.73,3.67,19.36,31.99,63.73,-40.98,-39.41],[590,13.77,2.98,18.95,31.5,63.82,-41.51,-38.51],[595,13.81,2.3,18.55,31.01,63.9,-42.03,-37.6],[600,13.86,1.63,18.15,30.52,63.96,-42.52,-36.7],[605,13.93,0.97,17.77,30.05,64.01,-43.0,-35.8],[610,14.0,0.32,17.39,29.57,64.04,-43.46,-34.89],[615,14.08,-0.32,17.02,29.11,64.05,-43.9,-33.99],[620,14.18,-0.96,16.66,28.65,64.05,-44.32,-33.08],[625,14.28,-1.58,16.31,28.19,64.03,-44.71,-32.18],[630,14.4,-2.19,15.97,27.74,64.0,-45.09,-31.27],[635,14.52,-2.79,15.63,27.3,63.95,-45.44,-30.37],[640,14.65,-3.38,15.31,26.86,63.88,-45.77,-29.47],[645,14.8,-3.96,14.99,26.43,63.8,-46.08,-28.57],[650,14.95,-4.53,14.69,26.01,63.71,-46.36,-27.67],[655,15.11,-5.09,14.39,25.59,63.59,-46.62,-26.77],[660,15.29,-5.63,14.11,25.18,63.47,-46.86,-25.88],[665,15.47,-6.16,13.83,24.78,63.33,-47.07,-24.98],[670,15.66,-6.69,13.57,24.39,63.17,-47.25,-24.09],[675,15.86,-7.19,13.31,24.0,63.0,-47.41,-23.2],[680,16.07,-7.69,13.06,23.61,62.82,-47.54,-22.31],[685,16.29,-8.17,12.83,23.24,62.63,-47.64,-21.43],[690,16.52,-8.64,12.6,22.87,62.42,-47.72,-20.54],[695,16.76,-9.1,12.39,22.51,62.19,-47.77,-19.67],[700,17.01,-9.54,12.18,22.16,61.96,-47.8,-18.79],[705,17.27,-9.97,11.99,21.82,61.71,-47.79,-17.91],[710,17.53,-10.39,11.8,21.48,61.46,-47.76,-17.04],[715,17.81,-10.79,11.63,21.15,61.19,-47.7,-16.18],[720,18.09,-11.17,11.46,20.83,60.91,-47.62,-15.31]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-12-16T23:05+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":71.2,"transit_at":"2026-12-16T21:55+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-17T01:35+08:00","2026-12-17T01:55+08:00"],"moonless_post_transit":["2026-12-17T01:35+08:00","2026-12-17T01:55+08:00"]},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.2,"transit_at":"2026-12-17T06:16+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-17T01:35+08:00","2026-12-17T07:25+08:00"],"moonless_post_transit":["2026-12-17T06:30+08:00","2026-12-17T07:25+08:00"]},"45":{"moonless_after_ou4":["2026-12-17T01:35+08:00","2026-12-17T07:25+08:00"],"moonless_post_transit":["2026-12-17T06:30+08:00","2026-12-17T07:25+08:00"]}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.5,"transit_at":"2026-12-17T06:16+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-17T01:35+08:00","2026-12-17T07:25+08:00"],"moonless_post_transit":["2026-12-17T06:30+08:00","2026-12-17T07:25+08:00"]},"45":{"moonless_after_ou4":["2026-12-17T01:35+08:00","2026-12-17T07:25+08:00"],"moonless_post_transit":["2026-12-17T06:30+08:00","2026-12-17T07:25+08:00"]}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-12-17","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-17T20:09+08:00","astronomical_dawn_at":"2026-12-18T07:45+08:00","science_end_at":"2026-12-18T07:30+08:00","moon":{"illumination_at_night_start_pct":52.9,"moonless_window":["2026-12-18T02:40+08:00","2026-12-18T07:30+08:00"],"moonless_label":"次日 02:40—次日 07:30"},"target_windows":{"Ou4":{"start_above40":"2026-12-17T20:15+08:00","end_above40":"2026-12-17T22:50+08:00","transit":"2026-12-18T17:25+08:00"},"M33 三角座星系":{"start_above40":"2026-12-17T20:15+08:00","end_above40":"2026-12-18T01:50+08:00","transit":"2026-12-17T21:51+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-17T20:15+08:00","end_above40":"2026-12-18T02:25+08:00","transit":"2026-12-17T21:10+08:00"},"心脏 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-17-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-17T20:15+08:00","end_at":"2026-12-17T22:50+08:00","latest_exposure_start_at":"2026-12-17T22:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":8,"exposure_hours":2.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.15,"maximum_moon_altitude_deg":48.04,"maximum_sun_altitude_deg":-18.99,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-17-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-17T22:50+08:00","end_at":"2026-12-17T23:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-17-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-17T23:00+08:00","end_at":"2026-12-18T00:30+08:00","latest_exposure_start_at":"2026-12-18T00:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.26,"maximum_moon_altitude_deg":34.18,"maximum_sun_altitude_deg":-48.54,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-17-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-18T00:30+08:00","end_at":"2026-12-18T00:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-17-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-18T00:40+08:00","end_at":"2026-12-18T02:30+08:00","latest_exposure_start_at":"2026-12-18T02:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":53.55,"maximum_moon_altitude_deg":18.44,"maximum_sun_altitude_deg":-64.29,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-17-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-18T02:30+08:00","end_at":"2026-12-18T02:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-17-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-18T02:40+08:00","end_at":"2026-12-18T06:00+08:00","latest_exposure_start_at":"2026-12-18T05:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":34,"exposure_hours":2.833333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":52.85,"maximum_moon_altitude_deg":-2.2,"maximum_sun_altitude_deg":-36.81,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-17-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-18T06:00+08:00","end_at":"2026-12-18T06:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-17-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-18T06:25+08:00","end_at":"2026-12-18T07:30+08:00","latest_exposure_start_at":"2026-12-18T07:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":11,"exposure_hours":0.916667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":62.24,"maximum_moon_altitude_deg":-35.34,"maximum_sun_altitude_deg":-20.65,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-17-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-18T07:30+08:00","end_at":"2026-12-18T07:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-17","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-17.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-17.json"},"altitude_plot":{"anchor_at":"2026-12-17T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,62.02,64.5,72.8,59.24,24.23,48.0,-16.38],[5,61.43,65.34,73.29,59.81,24.39,48.04,-17.25],[10,60.83,66.17,73.77,60.38,24.56,48.06,-18.12],[15,60.23,67.0,74.22,60.94,24.74,48.04,-18.99],[20,59.62,67.81,74.65,61.5,24.92,48.0,-19.87],[25,59.01,68.61,75.04,62.05,25.11,47.94,-20.75],[30,58.4,69.39,75.41,62.6,25.31,47.84,-21.63],[35,57.78,70.15,75.74,63.14,25.52,47.71,-22.52],[40,57.17,70.9,76.03,63.67,25.73,47.56,-23.41],[45,56.55,71.62,76.28,64.19,25.95,47.38,-24.3],[50,55.93,72.32,76.49,64.71,26.17,47.17,-25.19],[55,55.3,72.99,76.66,65.21,26.41,46.94,-26.08],[60,54.68,73.62,76.78,65.71,26.64,46.68,-26.98],[65,54.06,74.22,76.85,66.19,26.89,46.39,-27.88],[70,53.43,74.78,76.88,66.66,27.14,46.08,-28.78],[75,52.81,75.29,76.86,67.12,27.4,45.75,-29.68],[80,52.18,75.76,76.79,67.57,27.66,45.39,-30.58],[85,51.56,76.16,76.67,68.0,27.93,45.0,-31.48],[90,50.93,76.51,76.51,68.41,28.21,44.6,-32.39],[95,50.31,76.79,76.31,68.81,28.49,44.17,-33.29],[100,49.69,77.0,76.06,69.19,28.78,43.72,-34.2],[105,49.07,77.14,75.77,69.55,29.07,43.25,-35.1],[110,48.44,77.2,75.45,69.89,29.37,42.76,-36.01],[115,47.83,77.19,75.09,70.21,29.68,42.25,-36.91],[120,47.21,77.1,74.69,70.51,29.99,41.73,-37.82],[125,46.59,76.93,74.27,70.78,30.31,41.18,-38.72],[130,45.98,76.69,73.82,71.03,30.63,40.62,-39.62],[135,45.36,76.38,73.35,71.26,30.96,40.04,-40.52],[140,44.75,76.01,72.85,71.45,31.29,39.44,-41.42],[145,44.15,75.58,72.34,71.62,31.63,38.83,-42.32],[150,43.54,75.1,71.8,71.76,31.97,38.21,-43.22],[155,42.94,74.57,71.25,71.87,32.32,37.57,-44.11],[160,42.34,74.0,70.68,71.95,32.67,36.91,-45.01],[165,41.74,73.38,70.09,72.0,33.03,36.25,-45.9],[170,41.15,72.73,69.5,72.02,33.4,35.57,-46.78],[175,40.56,72.05,68.89,72.01,33.76,34.88,-47.66],[180,39.97,71.35,68.28,71.97,34.13,34.18,-48.54],[185,39.38,70.62,67.65,71.9,34.51,33.46,-49.42],[190,38.8,69.86,67.02,71.8,34.89,32.74,-50.28],[195,38.23,69.09,66.37,71.67,35.28,32.01,-51.15],[200,37.65,68.3,65.73,71.51,35.66,31.27,-52.01],[205,37.08,67.5,65.07,71.32,36.06,30.51,-52.86],[210,36.52,66.68,64.41,71.11,36.45,29.75,-53.7],[215,35.96,65.86,63.75,70.87,36.85,28.99,-54.54],[220,35.4,65.02,63.08,70.6,37.26,28.21,-55.37],[225,34.85,64.17,62.41,70.31,37.66,27.43,-56.18],[230,34.3,63.31,61.73,70.0,38.08,26.64,-56.99],[235,33.76,62.45,61.05,69.66,38.49,25.84,-57.79],[240,33.22,61.58,60.37,69.31,38.91,25.04,-58.58],[245,32.69,60.7,59.69,68.93,39.33,24.23,-59.35],[250,32.16,59.82,59.01,68.54,39.75,23.42,-60.11],[255,31.64,58.94,58.32,68.13,40.18,22.6,-60.85],[260,31.12,58.05,57.64,67.71,40.6,21.78,-61.58],[265,30.61,57.16,56.95,67.27,41.03,20.95,-62.29],[270,30.1,56.26,56.26,66.81,41.47,20.12,-62.98],[275,29.6,55.36,55.57,66.34,41.9,19.28,-63.64],[280,29.1,54.46,54.89,65.86,42.34,18.44,-64.29],[285,28.61,53.56,54.2,65.37,42.78,17.6,-64.91],[290,28.13,52.65,53.51,64.87,43.22,16.75,-65.5],[295,27.65,51.75,52.82,64.36,43.66,15.9,-66.07],[300,27.18,50.84,52.14,63.84,44.11,15.05,-66.6],[305,26.72,49.94,51.45,63.31,44.55,14.2,-67.1],[310,26.26,49.03,50.77,62.77,45.0,13.34,-67.56],[315,25.8,48.12,50.09,62.23,45.45,12.48,-67.99],[320,25.36,47.21,49.41,61.68,45.9,11.62,-68.37],[325,24.92,46.31,48.73,61.12,46.35,10.76,-68.72],[330,24.49,45.4,48.05,60.56,46.79,9.9,-69.01],[335,24.06,44.49,47.38,59.99,47.23,9.04,-69.26],[340,23.65,43.59,46.71,59.42,47.66,8.17,-69.47],[345,23.23,42.68,46.03,58.85,48.1,7.31,-69.62],[350,22.83,41.78,45.37,58.27,48.54,6.44,-69.72],[355,22.44,40.87,44.7,57.69,48.98,5.58,-69.77],[360,22.05,39.97,44.04,57.1,49.41,4.71,-69.77],[365,21.67,39.07,43.38,56.52,49.85,3.84,-69.71],[370,21.29,38.17,42.72,55.93,50.28,2.98,-69.6],[375,20.93,37.28,42.07,55.34,50.72,2.11,-69.45],[380,20.57,36.38,41.42,54.74,51.15,1.25,-69.24],[385,20.22,35.49,40.77,54.15,51.58,0.39,-68.98],[390,19.88,34.6,40.13,53.55,52.0,-0.48,-68.68],[395,19.55,33.71,39.49,52.96,52.43,-1.34,-68.33],[400,19.22,32.83,38.85,52.36,52.85,-2.2,-67.94],[405,18.91,31.95,38.22,51.76,53.27,-3.05,-67.51],[410,18.6,31.07,37.59,51.17,53.69,-3.91,-67.04],[415,18.3,30.19,36.96,50.57,54.1,-4.76,-66.54],[420,18.01,29.31,36.34,49.98,54.51,-5.61,-66.0],[425,17.73,28.44,35.73,49.38,54.92,-6.46,-65.44],[430,17.46,27.58,35.12,48.79,55.32,-7.31,-64.84],[435,17.19,26.71,34.51,48.19,55.72,-8.15,-64.22],[440,16.94,25.85,33.91,47.6,56.11,-8.99,-63.57],[445,16.69,24.99,33.31,47.01,56.5,-9.82,-62.9],[450,16.46,24.14,32.72,46.42,56.88,-10.66,-62.21],[455,16.23,23.29,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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-18-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-19T06:20+08:00","end_at":"2026-12-19T07:30+08:00","latest_exposure_start_at":"2026-12-19T07:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":11,"exposure_hours":0.916667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":62.06,"maximum_moon_altitude_deg":-24.45,"maximum_sun_altitude_deg":-20.76,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-18-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-19T07:30+08:00","end_at":"2026-12-19T07:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-18","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-18.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-18.json"},"altitude_plot":{"anchor_at":"2026-12-18T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,61.55,65.16,73.19,59.69,24.36,52.41,-16.31],[5,60.96,66.0,73.67,60.26,24.52,52.73,-17.18],[10,60.36,66.82,74.13,60.82,24.7,53.02,-18.05],[15,59.75,67.64,74.56,61.38,24.88,53.27,-18.92],[20,59.14,68.44,74.96,61.94,25.07,53.5,-19.8],[25,58.53,69.22,75.33,62.48,25.27,53.7,-20.68],[30,57.92,69.99,75.67,63.02,25.47,53.87,-21.56],[35,57.3,70.74,75.97,63.56,25.68,54.01,-22.45],[40,56.68,71.47,76.23,64.08,25.9,54.12,-23.34],[45,56.06,72.17,76.45,64.6,26.12,54.19,-24.23],[50,55.44,72.85,76.63,65.11,26.36,54.23,-25.12],[55,54.81,73.49,76.76,65.6,26.59,54.24,-26.01],[60,54.19,74.1,76.84,66.09,26.84,54.22,-26.91],[65,53.57,74.66,76.88,66.56,27.09,54.16,-27.81],[70,52.94,75.19,76.87,67.03,27.34,54.07,-28.71],[75,52.32,75.66,76.81,67.48,27.61,53.96,-29.61],[80,51.69,76.08,76.7,67.91,27.87,53.8,-30.51],[85,51.07,76.44,76.55,68.33,28.15,53.62,-31.41],[90,50.44,76.74,76.35,68.73,28.43,53.41,-32.32],[95,49.82,76.96,76.11,69.11,28.72,53.17,-33.22],[100,49.2,77.12,75.84,69.48,29.01,52.9,-34.13],[105,48.58,77.19,75.52,69.82,29.31,52.6,-35.03],[110,47.96,77.2,75.17,70.15,29.61,52.27,-35.94],[115,47.34,77.12,74.78,70.45,29.92,51.91,-36.84],[120,46.72,76.97,74.37,70.73,30.24,51.53,-37.75],[125,46.11,76.75,73.92,70.98,30.56,51.13,-38.65],[130,45.5,76.45,73.45,71.21,30.89,50.7,-39.55],[135,44.88,76.1,72.96,71.41,31.22,50.24,-40.45],[140,44.28,75.68,72.45,71.59,31.56,49.76,-41.35],[145,43.67,75.21,71.92,71.73,31.9,49.26,-42.25],[150,43.07,74.69,71.37,71.85,32.25,48.74,-43.15],[155,42.47,74.12,70.8,71.94,32.6,48.2,-44.05],[160,41.87,73.52,70.22,71.99,32.96,47.64,-44.94],[165,41.27,72.87,69.63,72.02,33.32,47.06,-45.83],[170,40.68,72.2,69.02,72.02,33.68,46.46,-46.71],[175,40.09,71.5,68.41,71.98,34.05,45.85,-47.6],[180,39.51,70.77,67.78,71.92,34.43,45.22,-48.47],[185,38.93,70.03,67.15,71.82,34.81,44.57,-49.35],[190,38.35,69.26,66.51,71.7,35.19,43.91,-50.22],[195,37.78,68.47,65.87,71.55,35.58,43.24,-51.08],[200,37.21,67.67,65.21,71.36,35.97,42.55,-51.94],[205,36.64,66.86,64.55,71.16,36.37,41.85,-52.79],[210,36.08,66.03,63.89,70.92,36.77,41.14,-53.64],[215,35.52,65.2,63.22,70.66,37.17,40.41,-54.48],[220,34.97,64.35,62.55,70.37,37.58,39.68,-55.3],[225,34.42,63.5,61.88,70.07,37.99,38.94,-56.12],[230,33.87,62.63,61.2,69.74,38.4,38.18,-56.93],[235,33.34,61.77,60.52,69.39,38.82,37.42,-57.73],[240,32.8,60.89,59.84,69.02,39.24,36.65,-58.52],[245,32.27,60.01,59.15,68.63,39.66,35.87,-59.3],[250,31.75,59.13,58.47,68.22,40.08,35.08,-60.06],[255,31.23,58.24,57.78,67.8,40.51,34.29,-60.8],[260,30.72,57.35,57.1,67.36,40.94,33.49,-61.53],[265,30.21,56.45,56.41,66.91,41.37,32.68,-62.24],[270,29.7,55.55,55.72,66.44,41.81,31.87,-62.93],[275,29.21,54.65,55.03,65.97,42.25,31.05,-63.6],[280,28.72,53.75,54.35,65.48,42.69,30.23,-64.25],[285,28.23,52.85,53.66,64.98,43.13,29.4,-64.87],[290,27.75,51.94,52.97,64.47,43.57,28.57,-65.47],[295,27.28,51.04,52.29,63.95,44.01,27.73,-66.04],[300,26.81,50.13,51.6,63.42,44.46,26.89,-66.57],[305,26.35,49.22,50.92,62.89,44.91,26.05,-67.08],[310,25.9,48.31,50.23,62.34,45.35,25.2,-67.54],[315,25.45,47.41,49.55,61.8,45.8,24.35,-67.97],[320,25.01,46.5,48.87,61.24,46.25,23.5,-68.36],[325,24.58,45.59,48.2,60.68,46.69,22.64,-68.71],[330,24.15,44.69,47.52,60.12,47.13,21.78,-69.01],[335,23.73,43.78,46.85,59.55,47.57,20.92,-69.27],[340,23.32,42.87,46.18,58.97,48.01,20.06,-69.48],[345,22.92,41.97,45.51,58.39,48.45,19.2,-69.63],[350,22.52,41.07,44.84,57.81,48.88,18.33,-69.74],[355,22.13,40.16,44.18,57.23,49.32,17.47,-69.8],[360,21.75,39.26,43.52,56.64,49.75,16.6,-69.8],[365,21.37,38.37,42.86,56.05,50.19,15.74,-69.75],[370,21.01,37.47,42.21,55.46,50.62,14.87,-69.64],[375,20.65,36.57,41.56,54.87,51.05,14.0,-69.49],[380,20.3,35.68,40.91,54.28,51.48,13.14,-69.29],[385,19.95,34.79,40.26,53.68,51.91,12.27,-69.04],[390,19.62,33.9,39.62,53.09,52.34,11.4,-68.74],[395,19.29,33.02,38.99,52.49,52.76,10.54,-68.39],[400,18.97,32.13,38.35,51.89,53.18,9.67,-68.01],[405,18.66,31.25,37.72,51.3,53.6,8.81,-67.58],[410,18.36,30.38,37.1,50.7,54.02,7.95,-67.12],[415,18.07,29.5,36.48,50.1,54.43,7.09,-66.62],[420,17.79,28.63,35.86,49.51,54.83,6.23,-66.08],[425,17.51,27.76,35.25,48.91,55.24,5.37,-65.52],[430,17.25,26.9,34.64,48.32,55.64,4.51,-64.92],[435,16.99,26.03,34.04,47.73,56.03,3.66,-64.3],[440,16.74,25.18,33.44,47.13,56.42,2.81,-63.66],[445,16.51,24.32,32.85,46.54,56.8,1.96,-62.99],[450,16.28,23.47,32.26,45.96,57.18,1.12,-62.3],[455,16.06,22.63,31.67,45.37,57.55,0.27,-61.59],[460,15.85,21.79,31.1,44.78,57.92,-0.57,-60.86],[465,15.65,20.95,30.52,44.2,58.28,-1.4,-60.12],[470,15.45,20.12,29.96,43.62,58.63,-2.24,-59.36],[475,15.27,19.29,29.4,43.04,58.97,-3.07,-58.58],[480,15.1,18.47,28.84,42.47,59.31,-3.89,-57.8],[485,14.94,17.65,28.29,41.9,59.64,-4.71,-57.0],[490,14.79,16.83,27.75,41.33,59.96,-5.53,-56.19],[495,14.64,16.03,27.21,40.76,60.27,-6.34,-55.37],[500,14.51,15.23,26.68,40.19,60.57,-7.15,-54.54],[505,14.39,14.43,26.15,39.63,60.86,-7.95,-53.71],[510,14.27,13.64,25.64,39.08,61.14,-8.75,-52.86],[515,14.17,12.85,25.12,38.52,61.41,-9.54,-52.01],[520,14.08,12.07,24.62,37.97,61.67,-10.33,-51.15],[525,14.0,11.3,24.12,37.43,61.92,-11.11,-50.29],[530,13.92,10.54,23.63,36.89,62.16,-11.88,-49.42],[535,13.86,9.78,23.15,36.35,62.38,-12.65,-48.55],[540,13.81,9.02,22.67,35.81,62.59,-13.41,-47.67],[545,13.76,8.28,22.2,35.28,62.79,-14.17,-46.79],[550,13.73,7.54,21.74,34.76,62.97,-14.91,-45.9],[555,13.71,6.81,21.28,34.24,63.15,-15.65,-45.01],[560,13.7,6.08,20.83,33.72,63.3,-16.39,-44.12],[565,13.7,5.37,20.4,33.21,63.45,-17.11,-43.22],[570,13.7,4.66,19.96,32.7,63.57,-17.83,-42.33],[575,13.72,3.96,19.54,32.2,63.69,-18.53,-41.43],[580,13.75,3.27,19.13,31.71,63.79,-19.23,-40.53],[585,13.79,2.59,18.72,31.22,63.87,-19.92,-39.63],[590,13.84,1.91,18.32,30.73,63.94,-20.6,-38.72],[595,13.9,1.25,17.93,30.25,63.99,-21.27,-37.82],[600,13.97,0.59,17.55,29.77,64.03,-21.93,-36.92],[605,14.05,-0.05,17.18,29.31,64.05,-22.58,-36.01],[610,14.14,-0.69,16.81,28.84,64.05,-23.21,-35.11],[615,14.24,-1.31,16.46,28.38,64.04,-23.84,-34.2],[620,14.35,-1.93,16.11,27.93,64.01,-24.45,-33.3],[625,14.47,-2.54,15.77,27.49,63.97,-25.06,-32.39],[630,14.6,-3.13,15.45,27.05,63.91,-25.65,-31.49],[635,14.73,-3.72,15.13,26.62,63.84,-26.22,-30.59],[640,14.88,-4.29,14.82,26.19,63.75,-26.79,-29.68],[645,15.04,-4.85,14.52,25.77,63.64,-27.34,-28.78],[650,15.21,-5.4,14.23,25.36,63.52,-27.88,-27.88],[655,15.39,-5.94,13.95,24.95,63.39,-28.4,-26.99],[660,15.58,-6.46,13.68,24.55,63.24,-28.91,-26.09],[665,15.78,-6.98,13.42,24.16,63.08,-29.4,-25.2],[670,15.98,-7.48,13.17,23.78,62.9,-29.88,-24.3],[675,16.2,-7.97,12.93,23.4,62.71,-30.34,-23.41],[680,16.42,-8.44,12.7,23.03,62.51,-30.79,-22.52],[685,16.66,-8.91,12.48,22.67,62.29,-31.22,-21.64],[690,16.9,-9.36,12.27,22.31,62.06,-31.63,-20.76],[695,17.16,-9.79,12.07,21.96,61.82,-32.02,-19.88],[700,17.42,-10.21,11.88,21.62,61.57,-32.4,-19.0],[705,17.69,-10.62,11.7,21.29,61.3,-32.76,-18.13],[710,17.97,-11.01,11.53,20.96,61.03,-33.1,-17.25],[715,18.26,-11.39,11.37,20.65,60.74,-33.42,-16.39],[720,18.56,-11.75,11.23,20.34,60.45,-33.72,-15.52]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-12-18T23:00+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":70.8,"transit_at":"2026-12-18T21:47+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.4,"transit_at":"2026-12-19T06:08+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-19T03:50+08:00","2026-12-19T07:30+08:00"],"moonless_post_transit":["2026-12-19T06:20+08:00","2026-12-19T07:30+08:00"]},"45":{"moonless_after_ou4":["2026-12-19T03:50+08:00","2026-12-19T07:30+08:00"],"moonless_post_transit":["2026-12-19T06:20+08:00","2026-12-19T07:30+08:00"]}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.7,"transit_at":"2026-12-19T06:08+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-19T03:50+08:00","2026-12-19T07:30+08:00"],"moonless_post_transit":["2026-12-19T06:20+08:00","2026-12-19T07:30+08:00"]},"45":{"moonless_after_ou4":["2026-12-19T03:50+08:00","2026-12-19T07:30+08:00"],"moonless_post_transit":["2026-12-19T06:20+08:00","2026-12-19T07:30+08:00"]}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-12-19","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-19T20:10+08:00","astronomical_dawn_at":"2026-12-20T07:46+08:00","science_end_at":"2026-12-20T07:30+08:00","moon":{"illumination_at_night_start_pct":73.2,"moonless_window":["2026-12-20T05:05+08:00","2026-12-20T07:30+08:00"],"moonless_label":"次日 05:05—次日 07:30"},"target_windows":{"Ou4":{"start_above40":"2026-12-19T20:20+08:00","end_above40":"2026-12-19T22:45+08:00","transit":"2026-12-20T17:17+08:00"},"M33 三角座星系":{"start_above40":"2026-12-19T20:20+08:00","end_above40":"2026-12-20T01:45+08:00","transit":"2026-12-19T21:43+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-19T20:20+08:00","end_above40":"2026-12-20T02:15+08:00","transit":"2026-12-19T21:02+08:00"},"心脏 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-19-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-19T20:20+08:00","end_at":"2026-12-19T22:45+08:00","latest_exposure_start_at":"2026-12-19T22:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":8,"exposure_hours":2.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.81,"maximum_moon_altitude_deg":60.26,"maximum_sun_altitude_deg":-19.73,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-19-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-19T22:45+08:00","end_at":"2026-12-19T22:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-19-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-19T22:55+08:00","end_at":"2026-12-20T00:25+08:00","latest_exposure_start_at":"2026-12-20T00:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.87,"maximum_moon_altitude_deg":56.42,"maximum_sun_altitude_deg":-47.52,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-19-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-20T00:25+08:00","end_at":"2026-12-20T00:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-19-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-20T00:35+08:00","end_at":"2026-12-20T04:10+08:00","latest_exposure_start_at":"2026-12-20T03:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.88,"maximum_moon_altitude_deg":43.09,"maximum_sun_altitude_deg":-56.28,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-19-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-20T04:10+08:00","end_at":"2026-12-20T04:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-19-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-20T04:20+08:00","end_at":"2026-12-20T05:00+08:00","latest_exposure_start_at":"2026-12-20T04:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":2,"exposure_hours":0.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.8,"maximum_moon_altitude_deg":4.9,"maximum_sun_altitude_deg":-47.77,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-19-8","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-20T05:00+08:00","end_at":"2026-12-20T05:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-19-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-20T05:05+08:00","end_at":"2026-12-20T05:50+08:00","latest_exposure_start_at":"2026-12-20T05:45+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":7,"exposure_hours":0.583333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":62.94,"maximum_moon_altitude_deg":-2.37,"maximum_sun_altitude_deg":-38.82,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-19-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-20T05:50+08:00","end_at":"2026-12-20T06:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-19-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-20T06:15+08:00","end_at":"2026-12-20T07:30+08:00","latest_exposure_start_at":"2026-12-20T07:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":12,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.87,"maximum_moon_altitude_deg":-12.72,"maximum_sun_altitude_deg":-20.86,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-19-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-20T07:30+08:00","end_at":"2026-12-20T07:46+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-19","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-19.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-19.json"},"altitude_plot":{"anchor_at":"2026-12-19T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,61.09,65.82,73.57,60.14,24.49,53.51,-16.24],[5,60.48,66.65,74.03,60.7,24.66,54.1,-17.11],[10,59.88,67.47,74.47,61.26,24.84,54.68,-17.98],[15,59.27,68.27,74.88,61.82,25.03,55.24,-18.85],[20,58.66,69.06,75.26,62.37,25.23,55.77,-19.73],[25,58.05,69.83,75.6,62.91,25.43,56.27,-20.61],[30,57.43,70.58,75.91,63.44,25.64,56.76,-21.49],[35,56.81,71.32,76.18,63.97,25.85,57.21,-22.38],[40,56.19,72.02,76.41,64.49,26.08,57.64,-23.26],[45,55.57,72.7,76.59,65.0,26.31,58.04,-24.15],[50,54.95,73.35,76.73,65.5,26.54,58.41,-25.05],[55,54.32,73.97,76.83,65.99,26.78,58.75,-25.94],[60,53.7,74.55,76.87,66.46,27.03,59.06,-26.84],[65,53.07,75.08,76.87,66.93,27.29,59.33,-27.73],[70,52.45,75.56,76.82,67.38,27.55,59.57,-28.63],[75,51.82,76.0,76.73,67.82,27.82,59.78,-29.53],[80,51.2,76.37,76.59,68.24,28.09,59.95,-30.44],[85,50.58,76.68,76.4,68.64,28.37,60.08,-31.34],[90,49.95,76.92,76.17,69.03,28.66,60.18,-32.24],[95,49.33,77.09,75.9,69.4,28.95,60.24,-33.15],[100,48.71,77.18,75.59,69.75,29.25,60.26,-34.05],[105,48.09,77.2,75.24,70.08,29.55,60.25,-34.96],[110,47.47,77.14,74.87,70.39,29.86,60.2,-35.86],[115,46.85,77.01,74.46,70.67,30.17,60.11,-36.77],[120,46.24,76.8,74.02,70.93,30.49,59.99,-37.67],[125,45.63,76.52,73.56,71.16,30.82,59.83,-38.57],[130,45.01,76.18,73.07,71.37,31.15,59.63,-39.48],[135,44.41,75.77,72.56,71.55,31.48,59.4,-40.38],[140,43.8,75.31,72.03,71.7,31.83,59.14,-41.28],[145,43.2,74.8,71.48,71.83,32.17,58.84,-42.18],[150,42.59,74.25,70.92,71.92,32.52,58.51,-43.08],[155,42.0,73.65,70.35,71.99,32.88,58.15,-43.97],[160,41.4,73.01,69.76,72.02,33.24,57.76,-44.86],[165,40.81,72.35,69.15,72.02,33.61,57.34,-45.75],[170,40.22,71.65,68.54,71.99,33.98,56.9,-46.64],[175,39.63,70.93,67.92,71.93,34.35,56.42,-47.52],[180,39.05,70.19,67.29,71.85,34.73,55.93,-48.4],[185,38.47,69.42,66.65,71.73,35.11,55.41,-49.28],[190,37.9,68.64,66.0,71.58,35.5,54.86,-50.15],[195,37.33,67.85,65.35,71.4,35.89,54.3,-51.01],[200,36.76,67.03,64.69,71.2,36.28,53.71,-51.87],[205,36.2,66.21,64.03,70.97,36.68,53.1,-52.72],[210,35.64,65.38,63.37,70.72,37.08,52.48,-53.57],[215,35.09,64.53,62.7,70.44,37.49,51.84,-54.41],[220,34.54,63.68,62.02,70.13,37.9,51.18,-55.24],[225,33.99,62.82,61.34,69.81,38.31,50.51,-56.06],[230,33.45,61.95,60.67,69.46,38.73,49.82,-56.87],[235,32.91,61.08,59.98,69.1,39.15,49.12,-57.67],[240,32.38,60.2,59.3,68.71,39.57,48.4,-58.46],[245,31.86,59.32,58.62,68.31,39.99,47.67,-59.24],[250,31.34,58.43,57.93,67.89,40.42,46.93,-60.0],[255,30.82,57.54,57.24,67.46,40.85,46.19,-60.74],[260,30.32,56.64,56.56,67.01,41.28,45.43,-61.48],[265,29.81,55.75,55.87,66.55,41.72,44.66,-62.19],[270,29.31,54.85,55.18,66.07,42.15,43.88,-62.88],[275,28.82,53.94,54.49,65.58,42.59,43.09,-63.56],[280,28.34,53.04,53.8,65.09,43.03,42.3,-64.21],[285,27.85,52.14,53.12,64.58,43.47,41.5,-64.83],[290,27.38,51.23,52.43,64.06,43.92,40.69,-65.43],[295,26.91,50.32,51.75,63.54,44.36,39.87,-66.0],[300,26.45,49.42,51.06,63.0,44.81,39.06,-66.54],[305,26.0,48.51,50.38,62.46,45.26,38.23,-67.05],[310,25.55,47.6,49.7,61.91,45.71,37.4,-67.52],[315,25.11,46.69,49.02,61.36,46.16,36.56,-67.95],[320,24.67,45.79,48.34,60.8,46.6,35.73,-68.35],[325,24.24,44.88,47.67,60.24,47.04,34.88,-68.7],[330,23.82,43.97,46.99,59.67,47.48,34.04,-69.01],[335,23.41,43.07,46.32,59.09,47.91,33.19,-69.27],[340,23.0,42.16,45.65,58.52,48.35,32.33,-69.48],[345,22.6,41.26,44.98,57.94,48.79,31.48,-69.64],[350,22.21,40.36,44.32,57.35,49.23,30.62,-69.75],[355,21.83,39.46,43.66,56.77,49.66,29.76,-69.81],[360,21.45,38.56,43.0,56.18,50.1,28.9,-69.82],[365,21.08,37.66,42.35,55.59,50.53,28.04,-69.77],[370,20.72,36.77,41.69,55.0,50.96,27.17,-69.68],[375,20.37,35.87,41.05,54.4,51.39,26.31,-69.53],[380,20.03,34.98,40.4,53.81,51.82,25.44,-69.33],[385,19.69,34.09,39.76,53.21,52.25,24.57,-69.08],[390,19.36,33.21,39.12,52.62,52.67,23.7,-68.79],[395,19.04,32.32,38.49,52.02,53.09,22.84,-68.45],[400,18.73,31.44,37.86,51.42,53.51,21.97,-68.07],[405,18.43,30.56,37.23,50.83,53.93,21.1,-67.64],[410,18.13,29.69,36.61,50.23,54.34,20.23,-67.18],[415,17.85,28.82,35.99,49.63,54.75,19.37,-66.68],[420,17.57,27.95,35.38,49.04,55.15,18.5,-66.15],[425,17.3,27.08,34.77,48.45,55.55,17.64,-65.59],[430,17.05,26.22,34.17,47.85,55.95,16.77,-65.0],[435,16.8,25.36,33.57,47.26,56.34,15.91,-64.38],[440,16.56,24.51,32.97,46.67,56.72,15.05,-63.74],[445,16.33,23.65,32.38,46.08,57.1,14.19,-63.07],[450,16.1,22.81,31.8,45.49,57.47,13.33,-62.38],[455,15.89,21.97,31.22,44.91,57.84,12.48,-61.67],[460,15.69,21.13,30.65,44.33,58.2,11.62,-60.95],[465,15.49,20.29,30.08,43.74,58.55,10.77,-60.21],[470,15.31,19.47,29.52,43.17,58.9,9.93,-59.45],[475,15.14,18.64,28.96,42.59,59.24,9.08,-58.68],[480,14.97,17.82,28.41,42.02,59.57,8.24,-57.89],[485,14.82,17.01,27.86,41.45,59.89,7.4,-57.09],[490,14.67,16.2,27.32,40.88,60.2,6.56,-56.28],[495,14.54,15.4,26.79,40.31,60.51,5.73,-55.47],[500,14.41,14.6,26.27,39.75,60.8,4.9,-54.64],[505,14.3,13.81,25.75,39.2,61.08,4.07,-53.8],[510,14.19,13.02,25.23,38.64,61.36,3.25,-52.96],[515,14.1,12.24,24.73,38.09,61.62,2.44,-52.11],[520,14.01,11.47,24.23,37.54,61.87,1.62,-51.25],[525,13.94,10.7,23.73,37.0,62.11,0.81,-50.39],[530,13.87,9.94,23.25,36.46,62.33,0.01,-49.52],[535,13.82,9.18,22.77,35.93,62.55,-0.79,-48.64],[540,13.77,8.44,22.3,35.4,62.75,-1.58,-47.77],[545,13.74,7.7,21.83,34.87,62.94,-2.37,-46.88],[550,13.71,6.96,21.38,34.35,63.11,-3.15,-46.0],[555,13.7,6.24,20.93,33.83,63.27,-3.93,-45.11],[560,13.7,5.52,20.49,33.32,63.42,-4.7,-44.22],[565,13.7,4.81,20.06,32.81,63.55,-5.46,-43.32],[570,13.72,4.11,19.63,32.31,63.66,-6.22,-42.43],[575,13.74,3.42,19.21,31.81,63.77,-6.97,-41.53],[580,13.78,2.73,18.81,31.32,63.85,-7.72,-40.63],[585,13.83,2.06,18.4,30.83,63.92,-8.46,-39.73],[590,13.89,1.39,18.01,30.35,63.98,-9.19,-38.82],[595,13.95,0.73,17.63,29.88,64.02,-9.91,-37.92],[600,14.03,0.09,17.25,29.41,64.04,-10.63,-37.02],[605,14.12,-0.55,16.89,28.94,64.05,-11.33,-36.11],[610,14.21,-1.18,16.53,28.48,64.04,-12.03,-35.21],[615,14.32,-1.8,16.18,28.03,64.02,-12.72,-34.3],[620,14.44,-2.41,15.84,27.58,63.98,-13.4,-33.4],[625,14.57,-3.0,15.51,27.14,63.93,-14.08,-32.49],[630,14.7,-3.59,15.19,26.71,63.85,-14.74,-31.59],[635,14.85,-4.17,14.88,26.28,63.77,-15.39,-30.69],[640,15.01,-4.73,14.58,25.86,63.67,-16.03,-29.78],[645,15.17,-5.28,14.29,25.45,63.55,-16.67,-28.88],[650,15.35,-5.82,14.01,25.04,63.42,-17.29,-27.98],[655,15.54,-6.35,13.73,24.64,63.27,-17.9,-27.09],[660,15.73,-6.87,13.47,24.24,63.11,-18.5,-26.19],[665,15.94,-7.37,13.22,23.86,62.94,-19.09,-25.3],[670,16.15,-7.87,12.98,23.48,62.75,-19.67,-24.4],[675,16.38,-8.34,12.74,23.11,62.55,-20.23,-23.51],[680,16.61,-8.81,12.52,22.74,62.34,-20.79,-22.62],[685,16.85,-9.26,12.31,22.39,62.11,-21.33,-21.74],[690,17.1,-9.7,12.11,22.04,61.87,-21.85,-20.86],[695,17.36,-10.12,11.92,21.69,61.62,-22.37,-19.97],[700,17.63,-10.53,11.74,21.36,61.36,-22.87,-19.1],[705,17.91,-10.93,11.57,21.03,61.09,-23.35,-18.22],[710,18.2,-11.31,11.41,20.72,60.81,-23.83,-17.35],[715,18.49,-11.67,11.26,20.41,60.51,-24.28,-16.48],[720,18.8,-12.03,11.12,20.1,60.21,-24.72,-15.62]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-12-19T22:55+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":70.9,"transit_at":"2026-12-19T21:43+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.3,"transit_at":"2026-12-20T06:04+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-20T05:05+08:00","2026-12-20T07:30+08:00"],"moonless_post_transit":["2026-12-20T06:15+08:00","2026-12-20T07:30+08:00"]},"45":{"moonless_after_ou4":["2026-12-20T05:05+08:00","2026-12-20T07:30+08:00"],"moonless_post_transit":["2026-12-20T06:15+08:00","2026-12-20T07:30+08:00"]}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.7,"transit_at":"2026-12-20T06:05+08:00","windows":{"40":{"moonless_after_ou4":["2026-12-20T05:05+08:00","2026-12-20T07:30+08:00"],"moonless_post_transit":["2026-12-20T06:20+08:00","2026-12-20T07:30+08:00"]},"45":{"moonless_after_ou4":["2026-12-20T05:05+08:00","2026-12-20T07:30+08:00"],"moonless_post_transit":["2026-12-20T06:20+08:00","2026-12-20T07:30+08:00"]}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-12-20","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-20T20:10+08:00","astronomical_dawn_at":"2026-12-21T07:46+08:00","science_end_at":"2026-12-21T07:30+08:00","moon":{"illumination_at_night_start_pct":82.5,"moonless_window":["2026-12-21T06:20+08:00","2026-12-21T07:30+08:00"],"moonless_label":"次日 06:20—次日 07:30"},"target_windows":{"Ou4":{"start_above40":"2026-12-20T20:20+08:00","end_above40":"2026-12-20T22:40+08:00","transit":"2026-12-21T17:13+08:00"},"M33 三角座星系":{"start_above40":"2026-12-20T20:20+08:00","end_above40":"2026-12-21T01:40+08:00","transit":"2026-12-20T21:39+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-20T20:20+08:00","end_above40":"2026-12-21T02:10+08:00","transit":"2026-12-20T20:58+08:00"},"心脏 IC1805":{"start_above40":"2026-12-20T20:20+08:00","end_above40":"2026-12-21T04:05+08:00","transit":"2026-12-20T22:38+08:00"},"M81":{"start_above40":"2026-12-21T00:10+08:00","end_above40":"2026-12-21T07:30+08:00","transit":"2026-12-21T06:00+08:00"},"M82":{"start_above40":"2026-12-21T00:05+08:00","end_above40":"2026-12-21T07:30+08:00","transit":"2026-12-21T06:01+08:00"}},"segments":[{"id":"2026-12-20-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-20T20:10+08:00","end_at":"2026-12-20T20:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-20-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-20T20:20+08:00","end_at":"2026-12-20T22:40+08:00","latest_exposure_start_at":"2026-12-20T22:25+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":7,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.93,"maximum_moon_altitude_deg":65.75,"maximum_sun_altitude_deg":-19.65,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-20-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-20T22:40+08:00","end_at":"2026-12-20T22:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-20-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-20T22:50+08:00","end_at":"2026-12-21T00:20+08:00","latest_exposure_start_at":"2026-12-21T00:05+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.01,"maximum_moon_altitude_deg":65.47,"maximum_sun_altitude_deg":-46.56,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-20-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-21T00:20+08:00","end_at":"2026-12-21T00:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-20-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-21T00:30+08:00","end_at":"2026-12-21T04:05+08:00","latest_exposure_start_at":"2026-12-21T03:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.0,"maximum_moon_altitude_deg":55.86,"maximum_sun_altitude_deg":-57.18,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-20-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-21T04:05+08:00","end_at":"2026-12-21T04:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-20-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-21T04:15+08:00","end_at":"2026-12-21T05:50+08:00","latest_exposure_start_at":"2026-12-21T05:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.74,"maximum_moon_altitude_deg":18.22,"maximum_sun_altitude_deg":-38.92,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-20-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-21T05:50+08:00","end_at":"2026-12-21T06:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-20-9","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-21T06:15+08:00","end_at":"2026-12-21T06:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-20-10","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-21T06:20+08:00","end_at":"2026-12-21T07:30+08:00","latest_exposure_start_at":"2026-12-21T07:25+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":11,"exposure_hours":0.916667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.68,"maximum_moon_altitude_deg":-1.81,"maximum_sun_altitude_deg":-20.95,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-20-11","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-21T07:30+08:00","end_at":"2026-12-21T07:46+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-20","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-20.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-20.json"},"altitude_plot":{"anchor_at":"2026-12-20T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,60.61,66.47,73.94,60.58,24.62,50.56,-16.17],[5,60.01,67.29,74.38,61.15,24.8,51.35,-17.03],[10,59.4,68.1,74.79,61.7,24.99,52.14,-17.9],[15,58.79,68.89,75.18,62.25,25.18,52.91,-18.78],[20,58.18,69.67,75.53,62.79,25.38,53.67,-19.65],[25,57.56,70.42,75.85,63.33,25.59,54.42,-20.53],[30,56.94,71.16,76.12,63.86,25.81,55.16,-21.41],[35,56.32,71.87,76.36,64.38,26.03,55.88,-22.3],[40,55.7,72.56,76.56,64.89,26.26,56.59,-23.19],[45,55.08,73.22,76.71,65.39,26.49,57.29,-24.08],[50,54.46,73.84,76.81,65.88,26.73,57.96,-24.97],[55,53.83,74.43,76.87,66.36,26.98,58.62,-25.86],[60,53.21,74.97,76.88,66.83,27.23,59.26,-26.76],[65,52.58,75.46,76.84,67.29,27.49,59.88,-27.65],[70,51.96,75.91,76.75,67.73,27.76,60.47,-28.55],[75,51.33,76.29,76.62,68.15,28.03,61.04,-29.45],[80,50.71,76.62,76.44,68.56,28.31,61.59,-30.36],[85,50.09,76.87,76.22,68.95,28.59,62.11,-31.26],[90,49.46,77.06,75.96,69.32,28.88,62.6,-32.16],[95,48.84,77.17,75.66,69.68,29.18,63.06,-33.07],[100,48.22,77.2,75.32,70.01,29.48,63.49,-33.97],[105,47.6,77.16,74.95,70.32,29.79,63.89,-34.88],[110,46.99,77.04,74.55,70.61,30.1,64.25,-35.78],[115,46.37,76.85,74.11,70.88,30.42,64.58,-36.68],[120,45.76,76.59,73.66,71.12,30.75,64.87,-37.59],[125,45.15,76.26,73.17,71.33,31.08,65.12,-38.49],[130,44.54,75.87,72.67,71.52,31.41,65.33,-39.4],[135,43.93,75.42,72.14,71.67,31.75,65.49,-40.3],[140,43.32,74.92,71.6,71.8,32.1,65.62,-41.2],[145,42.72,74.37,71.04,71.9,32.45,65.7,-42.1],[150,42.12,73.78,70.47,71.97,32.8,65.74,-43.0],[155,41.53,73.15,69.88,72.01,33.16,65.74,-43.89],[160,40.93,72.49,69.28,72.02,33.53,65.69,-44.78],[165,40.34,71.8,68.67,72.0,33.9,65.61,-45.67],[170,39.76,71.09,68.05,71.95,34.27,65.47,-46.56],[175,39.18,70.35,67.42,71.87,34.65,65.3,-47.44],[180,38.6,69.59,66.79,71.76,35.03,65.09,-48.32],[185,38.02,68.81,66.14,71.61,35.41,64.83,-49.2],[190,37.45,68.02,65.49,71.44,35.8,64.54,-50.07],[195,36.88,67.21,64.84,71.25,36.2,64.21,-50.94],[200,36.32,66.39,64.17,71.02,36.6,63.84,-51.8],[205,35.76,65.56,63.51,70.77,37.0,63.44,-52.65],[210,35.2,64.71,62.84,70.5,37.4,63.01,-53.5],[215,34.65,63.86,62.17,70.2,37.81,62.55,-54.34],[220,34.11,63.0,61.49,69.88,38.22,62.06,-55.17],[225,33.57,62.14,60.81,69.54,38.64,61.54,-55.99],[230,33.03,61.27,60.13,69.18,39.06,60.99,-56.8],[235,32.5,60.39,59.45,68.8,39.48,60.42,-57.6],[240,31.97,59.51,58.76,68.4,39.9,59.83,-58.39],[245,31.45,58.62,58.08,67.98,40.33,59.21,-59.17],[250,30.93,57.73,57.39,67.55,40.76,58.57,-59.93],[255,30.42,56.83,56.7,67.1,41.19,57.92,-60.68],[260,29.92,55.94,56.01,66.64,41.62,57.25,-61.41],[265,29.42,55.04,55.33,66.17,42.06,56.56,-62.13],[270,28.93,54.14,54.64,65.69,42.5,55.86,-62.83],[275,28.44,53.23,53.95,65.19,42.94,55.14,-63.5],[280,27.96,52.33,53.26,64.69,43.38,54.41,-64.15],[285,27.48,51.42,52.58,64.17,43.82,53.66,-64.78],[290,27.01,50.52,51.89,63.65,44.27,52.91,-65.38],[295,26.55,49.61,51.21,63.12,44.71,52.14,-65.96],[300,26.09,48.7,50.53,62.58,45.16,51.37,-66.5],[305,25.64,47.79,49.84,62.03,45.61,50.58,-67.01],[310,25.2,46.89,49.16,61.48,46.06,49.79,-67.49],[315,24.76,45.98,48.49,60.92,46.51,48.99,-67.92],[320,24.33,45.07,47.81,60.36,46.94,48.18,-68.32],[325,23.91,44.17,47.14,59.79,47.38,47.36,-68.68],[330,23.5,43.26,46.46,59.22,47.82,46.54,-68.99],[335,23.09,42.36,45.79,58.64,48.26,45.71,-69.26],[340,22.69,41.45,45.13,58.06,48.7,44.88,-69.47],[345,22.3,40.55,44.46,57.48,49.13,44.04,-69.64],[350,21.91,39.65,43.8,56.89,49.57,43.2,-69.76],[355,21.53,38.75,43.14,56.3,50.0,42.36,-69.82],[360,21.16,37.85,42.49,55.71,50.44,41.51,-69.83],[365,20.8,36.96,41.83,55.12,50.87,40.66,-69.79],[370,20.44,36.06,41.18,54.53,51.3,39.8,-69.7],[375,20.1,35.17,40.54,53.94,51.73,38.94,-69.56],[380,19.76,34.28,39.9,53.34,52.16,38.08,-69.36],[385,19.43,33.39,39.26,52.74,52.58,37.22,-69.12],[390,19.11,32.51,38.62,52.15,53.0,36.36,-68.83],[395,18.8,31.63,37.99,51.55,53.42,35.49,-68.5],[400,18.49,30.75,37.36,50.95,53.84,34.63,-68.12],[405,18.2,29.87,36.74,50.36,54.25,33.76,-67.7],[410,17.91,29.0,36.12,49.76,54.66,32.89,-67.24],[415,17.63,28.13,35.51,49.17,55.07,32.02,-66.75],[420,17.36,27.27,34.9,48.57,55.47,31.16,-66.22],[425,17.1,26.4,34.29,47.98,55.86,30.29,-65.66],[430,16.85,25.54,33.69,47.39,56.25,29.42,-65.07],[435,16.61,24.69,33.1,46.8,56.64,28.55,-64.45],[440,16.37,23.84,32.51,46.21,57.02,27.68,-63.81],[445,16.15,22.99,31.92,45.62,57.39,26.81,-63.15],[450,15.94,22.15,31.34,45.03,57.76,25.95,-62.46],[455,15.73,2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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-21-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-22T00:25+08:00","end_at":"2026-12-22T04:00+08:00","latest_exposure_start_at":"2026-12-22T03:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.12,"maximum_moon_altitude_deg":67.3,"maximum_sun_altitude_deg":-58.06,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-21-6","kind":"overhead","target_id":null,"target_name":"转场至 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-21-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-22T06:10+08:00","end_at":"2026-12-22T07:30+08:00","latest_exposure_start_at":"2026-12-22T07:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.47,"maximum_moon_altitude_deg":11.72,"maximum_sun_altitude_deg":-21.04,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-21-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-22T07:30+08:00","end_at":"2026-12-22T07:47+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-21","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-21.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-21.json"},"altitude_plot":{"anchor_at":"2026-12-21T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,60.14,67.12,74.29,61.03,24.76,43.95,-16.09],[5,59.53,67.93,74.71,61.58,24.95,44.82,-16.95],[10,58.92,68.72,75.1,62.13,25.14,45.7,-17.82],[15,58.31,69.5,75.46,62.68,25.34,46.57,-18.69],[20,57.69,70.26,75.78,63.22,25.55,47.43,-19.57],[25,57.08,71.01,76.07,63.75,25.76,48.3,-20.45],[30,56.46,71.72,76.31,64.27,25.98,49.15,-21.33],[35,55.84,72.42,76.52,64.78,26.21,50.01,-22.21],[40,55.21,73.08,76.68,65.29,26.44,50.86,-23.1],[45,54.59,73.71,76.79,65.78,26.68,51.7,-23.99],[50,53.97,74.3,76.86,66.26,26.92,52.54,-24.88],[55,53.34,74.86,76.88,66.73,27.18,53.38,-25.78],[60,52.72,75.36,76.85,67.19,27.44,54.2,-26.67],[65,52.09,75.82,76.78,67.63,27.7,55.02,-27.57],[70,51.47,76.22,76.65,68.06,27.97,55.83,-28.47],[75,50.84,76.55,76.48,68.47,28.25,56.63,-29.37],[80,50.22,76.83,76.27,68.87,28.53,57.42,-30.27],[85,49.6,77.03,76.02,69.25,28.82,58.21,-31.17],[90,48.97,77.15,75.73,69.6,29.12,58.98,-32.08],[95,48.35,77.2,75.4,69.94,29.42,59.73,-32.98],[100,47.73,77.18,75.03,70.26,29.72,60.48,-33.88],[105,47.12,77.08,74.63,70.55,30.04,61.21,-34.79],[110,46.5,76.9,74.21,70.82,30.35,61.92,-35.69],[115,45.89,76.65,73.76,71.07,30.68,62.62,-36.6],[120,45.28,76.33,73.28,71.29,31.01,63.3,-37.5],[125,44.67,75.95,72.78,71.48,31.34,63.96,-38.41],[130,44.06,75.52,72.26,71.64,31.68,64.6,-39.31],[135,43.45,75.03,71.72,71.78,32.02,65.21,-40.21],[140,42.85,74.49,71.16,71.89,32.37,65.8,-41.11],[145,42.25,73.91,70.59,71.96,32.73,66.36,-42.01],[150,41.65,73.29,70.01,72.01,33.09,66.89,-42.91],[155,41.06,72.64,69.41,72.02,33.45,67.39,-43.81],[160,40.47,71.95,68.8,72.01,33.82,67.85,-44.7],[165,39.88,71.24,68.19,71.96,34.19,68.28,-45.59],[170,39.3,70.51,67.56,71.89,34.57,68.67,-46.48],[175,38.72,69.75,66.92,71.78,34.95,69.03,-47.36],[180,38.14,68.98,66.28,71.65,35.33,69.33,-48.24],[185,37.57,68.19,65.63,71.48,35.72,69.6,-49.12],[190,37.0,67.38,64.98,71.29,36.11,69.81,-49.99],[195,36.44,66.56,64.32,71.07,36.51,69.98,-50.85],[200,35.88,65.73,63.65,70.83,36.91,70.1,-51.71],[205,35.32,64.89,62.98,70.56,37.32,70.17,-52.57],[210,34.77,64.05,62.31,70.27,37.72,70.2,-53.42],[215,34.22,63.19,61.63,69.95,38.14,70.16,-54.26],[220,33.68,62.32,60.96,69.61,38.55,70.08,-55.09],[225,33.14,61.45,60.27,69.26,38.97,69.95,-55.91],[230,32.61,60.58,59.59,68.88,39.39,69.77,-56.72],[235,32.08,59.69,58.91,68.48,39.81,69.55,-57.53],[240,31.56,58.81,58.22,68.07,40.24,69.28,-58.32],[245,31.04,57.92,57.54,67.64,40.67,68.96,-59.1],[250,30.53,57.03,56.85,67.2,41.1,68.6,-59.86],[255,30.03,56.13,56.16,66.74,41.53,68.2,-60.61],[260,29.53,55.23,55.47,66.27,41.97,67.77,-61.35],[265,29.03,54.33,54.79,65.79,42.4,67.3,-62.06],[270,28.54,53.43,54.1,65.3,42.84,66.79,-62.76],[275,28.06,52.52,53.41,64.8,43.29,66.26,-63.44],[280,27.58,51.62,52.72,64.28,43.73,65.69,-64.09],[285,27.11,50.71,52.04,63.76,44.17,65.1,-64.72],[290,26.65,49.8,51.35,63.23,44.62,64.49,-65.33],[295,26.19,48.9,50.67,62.69,45.07,63.85,-65.91],[300,25.74,47.99,49.99,62.15,45.51,63.19,-66.45],[305,25.29,47.08,49.31,61.6,45.96,62.52,-66.97],[310,24.86,46.17,48.63,61.04,46.41,61.82,-67.45],[315,24.43,45.27,47.95,60.48,46.85,61.11,-67.89],[320,24.0,44.36,47.28,59.91,47.29,60.38,-68.29],[325,23.58,43.45,46.61,59.34,47.73,59.64,-68.65],[330,23.18,42.55,45.94,58.76,48.16,58.88,-68.97],[335,22.77,41.65,45.27,58.18,48.6,58.12,-69.24],[340,22.38,40.74,44.6,57.6,49.04,57.34,-69.46],[345,21.99,39.84,43.94,57.02,49.48,56.55,-69.63],[350,21.61,38.94,43.28,56.43,49.91,55.76,-69.75],[355,21.24,38.04,42.63,55.84,50.34,54.95,-69.82],[360,20.88,37.15,41.97,55.25,50.78,54.14,-69.84],[365,20.52,36.25,41.32,54.66,51.21,53.32,-69.81],[370,20.17,35.36,40.68,54.06,51.64,52.5,-69.72],[375,19.83,34.47,40.03,53.47,52.07,51.67,-69.58],[380,19.5,33.58,39.39,52.87,52.49,50.83,-69.39],[385,19.18,32.7,38.76,52.27,52.91,49.99,-69.15],[390,18.86,31.82,38.13,51.68,53.33,49.15,-68.87],[395,18.56,30.94,37.5,51.08,53.75,48.3,-68.54],[400,18.26,30.06,36.87,50.48,54.16,47.44,-68.16],[405,17.97,29.19,36.25,49.89,54.57,46.59,-67.75],[410,17.69,28.32,35.64,49.29,54.98,45.73,-67.29],[415,17.42,27.45,35.03,48.7,55.38,44.87,-66.8],[420,17.15,26.59,34.42,48.11,55.78,44.01,-66.28],[425,16.9,25.73,33.82,47.51,56.17,43.14,-65.72],[430,16.66,24.87,33.23,46.92,56.56,42.28,-65.13],[435,16.42,24.02,32.63,46.33,56.94,41.41,-64.52],[440,16.2,23.17,32.05,45.74,57.31,40.54,-63.88],[445,15.98,22.33,31.47,45.16,57.68,39.67,-63.22],[450,15.77,21.49,30.89,44.57,58.05,38.8,-62.53],[455,15.58,20.65,30.32,43.99,58.4,37.93,-61.83],[460,15.39,19.82,29.76,43.41,58.75,37.06,-61.11],[465,15.21,18.99,29.2,42.84,59.09,36.19,-60.37],[470,15.04,18.17,28.64,42.26,59.43,35.32,-59.61],[475,14.88,17.36,28.1,41.69,59.75,34.45,-58.84],[480,14.73,16.54,27.55,41.12,60.07,33.58,-58.06],[485,14.59,15.74,27.02,40.56,60.38,32.71,-57.26],[490,14.46,14.94,26.49,39.99,60.67,31.85,-56.46],[495,14.35,14.14,25.97,39.43,60.96,30.98,-55.64],[500,14.24,13.35,25.45,38.88,61.24,30.12,-54.81],[505,14.14,12.57,24.94,38.33,61.51,29.25,-53.98],[510,14.05,11.8,24.44,37.78,61.76,28.39,-53.14],[515,13.97,11.03,23.94,37.23,62.01,27.53,-52.29],[520,13.9,10.26,23.46,36.69,62.24,26.67,-51.43],[525,13.84,9.5,22.97,36.16,62.46,25.82,-50.57],[530,13.79,8.75,22.5,35.62,62.66,24.96,-49.7],[535,13.75,8.01,22.03,35.09,62.86,24.11,-48.83],[540,13.72,7.28,21.57,34.57,63.04,23.26,-47.95],[545,13.7,6.55,21.12,34.05,63.2,22.42,-47.07],[550,13.7,5.83,20.68,33.54,63.36,21.57,-46.18],[555,13.7,5.11,20.24,33.03,63.49,20.73,-45.3],[560,13.71,4.41,19.81,32.52,63.62,19.9,-44.4],[565,13.73,3.71,19.39,32.02,63.72,19.06,-43.51],[570,13.76,3.02,18.98,31.53,63.82,18.23,-42.61],[575,13.81,2.35,18.57,31.04,63.9,17.4,-41.72],[580,13.86,1.67,18.18,30.56,63.96,16.58,-40.82],[585,13.92,1.01,17.79,30.08,64.0,15.76,-39.92],[590,14.0,0.36,17.41,29.61,64.03,14.95,-39.01],[595,14.08,-0.28,17.04,29.14,64.05,14.13,-38.11],[600,14.17,-0.91,16.68,28.68,64.05,13.33,-37.2],[605,14.27,-1.54,16.33,28.22,64.03,12.52,-36.3],[610,14.39,-2.15,15.99,27.77,64.0,11.72,-35.4],[615,14.51,-2.75,15.65,27.33,63.95,10.93,-34.49],[620,14.64,-3.34,15.33,26.89,63.89,10.14,-33.59],[625,14.79,-3.92,15.01,26.46,63.81,9.36,-32.68],[630,14.94,-4.49,14.71,26.04,63.71,8.58,-31.78],[635,15.1,-5.05,14.41,25.62,63.6,7.8,-30.87],[640,15.27,-5.59,14.13,25.21,63.48,7.04,-29.97],[645,15.46,-6.13,13.85,24.81,63.34,6.27,-29.07],[650,15.65,-6.65,13.58,24.41,63.18,5.52,-28.17],[655,15.85,-7.16,13.33,24.02,63.02,4.76,-27.27],[660,16.06,-7.66,13.08,23.64,62.83,4.02,-26.38],[665,16.28,-8.14,12.84,23.27,62.64,3.28,-25.48],[670,16.51,-8.61,12.62,22.9,62.43,2.55,-24.59],[675,16.75,-9.07,12.4,22.54,62.21,1.82,-23.7],[680,16.99,-9.51,12.19,22.18,61.98,1.11,-22.81],[685,17.25,-9.94,12.0,21.84,61.73,0.39,-21.92],[690,17.52,-10.36,11.81,21.5,61.47,-0.31,-21.04],[695,17.79,-10.76,11.64,21.17,61.21,-1.01,-20.16],[700,18.07,-11.15,11.47,20.85,60.93,-1.7,-19.28],[705,18.37,-11.52,11.32,20.54,60.64,-2.38,-18.4],[710,18.67,-11.88,11.18,20.23,60.34,-3.05,-17.53],[715,18.98,-12.22,11.05,19.93,60.03,-3.72,-16.67],[720,19.29,-12.55,10.93,19.64,59.71,-4.37,-15.8]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-12-21T22:45+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":71.2,"transit_at":"2026-12-21T21:35+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.2,"transit_at":"2026-12-22T05:56+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.5,"transit_at":"2026-12-22T05:57+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-12-22","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-22T20:11+08:00","astronomical_dawn_at":"2026-12-23T07:47+08:00","science_end_at":"2026-12-23T07:30+08:00","moon":{"illumination_at_night_start_pct":96.2,"moonless_window":null,"moonless_label":"本晚无完整无月暗夜窗口"},"target_windows":{"Ou4":{"start_above40":"2026-12-22T20:20+08:00","end_above40":"2026-12-22T22:35+08:00","transit":"2026-12-23T17:05+08:00"},"M33 三角座星系":{"start_above40":"2026-12-22T20:20+08:00","end_above40":"2026-12-23T01:35+08:00","transit":"2026-12-22T21:31+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-22T20:20+08:00","end_above40":"2026-12-23T02:05+08:00","transit":"2026-12-22T20:50+08:00"},"心脏 IC1805":{"start_above40":"2026-12-22T20:20+08:00","end_above40":"2026-12-23T04:00+08:00","transit":"2026-12-22T22:31+08:00"},"M81":{"start_above40":"2026-12-23T00:00+08:00","end_above40":"2026-12-23T07:30+08:00","transit":"2026-12-23T05:52+08:00"},"M82":{"start_above40":"2026-12-23T00:00+08:00","end_above40":"2026-12-23T07:30+08:00","transit":"2026-12-23T05:53+08:00"}},"segments":[{"id":"2026-12-22-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-22T20:11+08:00","end_at":"2026-12-22T20:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-22-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-22T20:20+08:00","end_at":"2026-12-22T22:35+08:00","latest_exposure_start_at":"2026-12-22T22:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":7,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.6,"maximum_moon_altitude_deg":61.34,"maximum_sun_altitude_deg":-19.48,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-22-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-22T22:35+08:00","end_at":"2026-12-22T22:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-22-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-22T22:45+08:00","end_at":"2026-12-23T00:10+08:00","latest_exposure_start_at":"2026-12-22T23:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.31,"maximum_moon_altitude_deg":72.44,"maximum_sun_altitude_deg":-45.5,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-22-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-23T00:10+08:00","end_at":"2026-12-23T00:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-22-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-23T00:20+08:00","end_at":"2026-12-23T04:00+08:00","latest_exposure_start_at":"2026-12-23T03:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.68,"maximum_moon_altitude_deg":73.01,"maximum_sun_altitude_deg":-58.13,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-22-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-23T04:00+08:00","end_at":"2026-12-23T04:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-22-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-23T04:10+08:00","end_at":"2026-12-23T05:40+08:00","latest_exposure_start_at":"2026-12-23T05:25+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.9,"maximum_moon_altitude_deg":44.56,"maximum_sun_altitude_deg":-40.9,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-22-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-23T05:40+08:00","end_at":"2026-12-23T06:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-22-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-23T06:05+08:00","end_at":"2026-12-23T07:30+08:00","latest_exposure_start_at":"2026-12-23T07:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":4,"exposure_hours":1.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.27,"maximum_moon_altitude_deg":24.69,"maximum_sun_altitude_deg":-21.12,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-22-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-23T07:30+08:00","end_at":"2026-12-23T07:47+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-22","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-22.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-22.json"},"altitude_plot":{"anchor_at":"2026-12-22T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,59.66,67.76,74.62,61.46,24.91,34.73,-16.0],[5,59.05,68.55,75.02,62.02,25.1,35.6,-16.86],[10,58.44,69.34,75.38,62.56,25.3,36.48,-17.73],[15,57.83,70.1,75.71,63.1,25.5,37.36,-18.61],[20,57.21,70.85,76.01,63.63,25.71,38.24,-19.48],[25,56.59,71.57,76.26,64.16,25.93,39.12,-20.36],[30,55.97,72.27,76.48,64.67,26.16,40.0,-21.24],[35,55.35,72.94,76.65,65.18,26.39,40.88,-22.13],[40,54.72,73.58,76.77,65.68,26.63,41.76,-23.01],[45,54.1,74.18,76.85,66.16,26.87,42.64,-23.9],[50,53.47,74.74,76.88,66.63,27.12,43.52,-24.79],[55,52.85,75.26,76.86,67.09,27.38,44.4,-25.69],[60,52.22,75.73,76.8,67.54,27.64,45.28,-26.58],[65,51.6,76.14,76.68,67.97,27.91,46.15,-27.48],[70,50.98,76.49,76.52,68.39,28.19,47.03,-28.38],[75,50.35,76.77,76.32,68.79,28.47,47.9,-29.28],[80,49.73,76.99,76.08,69.17,28.76,48.77,-30.18],[85,49.11,77.13,75.79,69.53,29.05,49.64,-31.08],[90,48.49,77.2,75.47,69.87,29.35,50.51,-31.99],[95,47.87,77.19,75.11,70.19,29.66,51.37,-32.89],[100,47.25,77.1,74.72,70.49,29.97,52.23,-33.79],[105,46.63,76.94,74.3,70.77,30.29,53.09,-34.7],[110,46.02,76.71,73.85,71.02,30.61,53.94,-35.6],[115,45.41,76.41,73.38,71.24,30.94,54.79,-36.51],[120,44.8,76.04,72.89,71.44,31.27,55.63,-37.41],[125,44.19,75.62,72.37,71.61,31.61,56.47,-38.32],[130,43.58,75.14,71.84,71.75,31.95,57.3,-39.22],[135,42.98,74.61,71.28,71.86,32.3,58.13,-40.12],[140,42.38,74.04,70.72,71.95,32.65,58.94,-41.02],[145,41.78,73.42,70.13,72.0,33.01,59.75,-41.92],[150,41.19,72.78,69.54,72.02,33.37,60.55,-42.82],[155,40.6,72.1,68.93,72.01,33.74,61.34,-43.72],[160,40.01,71.4,68.32,71.98,34.11,62.12,-44.61],[165,39.42,70.67,67.69,71.91,34.48,62.89,-45.5],[170,38.84,69.92,67.06,71.81,34.86,63.64,-46.39],[175,38.27,69.15,66.42,71.68,35.25,64.38,-47.27],[180,37.69,68.36,65.77,71.52,35.64,65.11,-48.15],[185,37.12,67.56,65.12,71.33,36.03,65.81,-49.03],[190,36.56,66.74,64.46,71.12,36.43,66.5,-49.9],[195,36.0,65.91,63.79,70.88,36.83,67.17,-50.77],[200,35.44,65.07,63.13,70.62,37.23,67.81,-51.63],[205,34.89,64.23,62.45,70.33,37.64,68.43,-52.48],[210,34.34,63.37,61.78,70.02,38.05,69.02,-53.33],[215,33.8,62.51,61.1,69.69,38.46,69.58,-54.17],[220,33.26,61.64,60.42,69.33,38.88,70.11,-55.0],[225,32.72,60.76,59.74,68.96,39.3,70.6,-55.83],[230,32.2,59.88,59.05,68.57,39.72,71.06,-56.64],[235,31.67,59.0,58.37,68.16,40.15,71.47,-57.45],[240,31.15,58.11,57.68,67.74,40.57,71.84,-58.24],[245,30.64,57.22,57.0,67.3,41.0,72.17,-59.02],[250,30.13,56.32,56.31,66.84,41.44,72.44,-59.79],[255,29.63,55.42,55.62,66.38,41.87,72.67,-60.54],[260,29.14,54.52,54.93,65.9,42.31,72.84,-61.27],[265,28.65,53.62,54.25,65.41,42.75,72.95,-61.99],[270,28.16,52.72,53.56,64.9,43.19,73.01,-62.69],[275,27.68,51.81,52.87,64.39,43.63,73.01,-63.37],[280,27.21,50.9,52.19,63.87,44.08,72.95,-64.03],[285,26.75,50.0,51.5,63.34,44.52,72.84,-64.66],[290,26.29,49.09,50.82,62.81,44.97,72.67,-65.27],[295,25.83,48.18,50.14,62.27,45.42,72.45,-65.85],[300,25.39,47.27,49.45,61.72,45.87,72.18,-66.4],[305,24.95,46.37,48.78,61.16,46.32,71.86,-66.91],[310,24.52,45.46,48.1,60.6,46.76,71.49,-67.4],[315,24.09,44.55,47.42,60.03,47.2,71.08,-67.84],[320,23.67,43.65,46.75,59.46,47.63,70.62,-68.25],[325,23.26,42.74,46.08,58.89,48.07,70.13,-68.61],[330,22.86,41.84,45.41,58.31,48.51,69.6,-68.93],[335,22.46,40.94,44.75,57.73,48.95,69.05,-69.21],[340,22.07,40.03,44.08,57.14,49.38,68.46,-69.44],[345,21.69,39.13,43.42,56.56,49.82,67.84,-69.61],[350,21.32,38.24,42.77,55.97,50.25,67.2,-69.74],[355,20.95,37.34,42.11,55.38,50.69,66.54,-69.82],[360,20.59,36.44,41.46,54.78,51.12,65.85,-69.84],[365,20.25,35.55,40.81,54.19,51.55,65.15,-69.81],[370,19.9,34.66,40.17,53.59,51.97,64.43,-69.73],[375,19.57,33.77,39.53,53.0,52.4,63.69,-69.59],[380,19.24,32.89,38.89,52.4,52.82,62.94,-69.41],[385,18.93,32.01,38.26,51.81,53.24,62.18,-69.17],[390,18.62,31.13,37.63,51.21,53.66,61.4,-68.89],[395,18.32,30.25,37.01,50.61,54.08,60.61,-68.57],[400,18.03,29.37,36.39,50.02,54.49,59.82,-68.2],[405,17.75,28.5,35.77,49.42,54.89,59.01,-67.79],[410,17.47,27.63,35.16,48.83,55.29,58.2,-67.34],[415,17.21,26.77,34.55,48.23,55.69,57.38,-66.85],[420,16.95,25.91,33.95,47.64,56.09,56.55,-66.33],[425,16.71,25.05,33.35,47.05,56.47,55.72,-65.77],[430,16.47,24.2,32.76,46.46,56.86,54.88,-65.19],[435,16.24,23.35,32.17,45.87,57.23,54.04,-64.58],[440,16.03,22.51,31.59,45.28,57.61,53.19,-63.94],[445,15.82,21.66,31.01,44.7,57.97,52.34,-63.28],[450,15.62,20.83,30.44,44.12,58.33,51.48,-62.6]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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-23-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-23T20:20+08:00","end_at":"2026-12-23T22:30+08:00","latest_exposure_start_at":"2026-12-23T22:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":7,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.72,"maximum_moon_altitude_deg":49.84,"maximum_sun_altitude_deg":-19.39,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 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NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-23T22:40+08:00","end_at":"2026-12-24T00:10+08:00","latest_exposure_start_at":"2026-12-23T23:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.77,"maximum_moon_altitude_deg":66.1,"maximum_sun_altitude_deg":-44.52,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-23-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-24T00:10+08:00","end_at":"2026-12-24T00:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-23-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-24T00:20+08:00","end_at":"2026-12-24T03:55+08:00","latest_exposure_start_at":"2026-12-24T03:40+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.8,"maximum_moon_altitude_deg":73.69,"maximum_sun_altitude_deg":-58.98,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-23-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-24T03:55+08:00","end_at":"2026-12-24T04:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-23-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-24T04:05+08:00","end_at":"2026-12-24T05:35+08:00","latest_exposure_start_at":"2026-12-24T05:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.84,"maximum_moon_altitude_deg":57.27,"maximum_sun_altitude_deg":-41.88,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-23-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-24T05:35+08:00","end_at":"2026-12-24T06:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-23-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-24T06:00+08:00","end_at":"2026-12-24T07:30+08:00","latest_exposure_start_at":"2026-12-24T07:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":61.05,"maximum_moon_altitude_deg":37.34,"maximum_sun_altitude_deg":-21.2,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-23-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-24T07:30+08:00","end_at":"2026-12-24T07:48+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-23","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-23.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-23.json"},"altitude_plot":{"anchor_at":"2026-12-23T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,59.18,68.38,74.94,61.9,25.06,23.88,-15.91],[5,58.57,69.17,75.31,62.45,25.26,24.72,-16.77],[10,57.96,69.94,75.65,62.99,25.46,25.56,-17.64],[15,57.34,70.69,75.95,63.52,25.67,26.41,-18.51],[20,56.72,71.42,76.21,64.05,25.89,27.26,-19.39],[25,56.1,72.12,76.44,64.56,26.11,28.11,-20.27],[30,55.48,72.8,76.62,65.07,26.34,28.97,-21.15],[35,54.86,73.45,76.75,65.57,26.58,29.82,-22.03],[40,54.23,74.06,76.84,66.06,26.82,30.68,-22.92],[45,53.61,74.63,76.88,66.53,27.07,31.54,-23.81],[50,52.98,75.15,76.87,67.0,27.32,32.41,-24.7],[55,52.36,75.63,76.81,67.45,27.59,33.27,-25.59],[60,51.73,76.05,76.71,67.88,27.86,34.14,-26.49],[65,51.11,76.42,76.56,68.3,28.13,35.01,-27.38],[70,50.49,76.72,76.37,68.7,28.41,35.88,-28.28],[75,49.86,76.95,76.13,69.09,28.7,36.75,-29.18],[80,49.24,77.11,75.86,69.45,28.99,37.62,-30.08],[85,48.62,77.19,75.54,69.8,29.29,38.49,-30.99],[90,48.0,77.2,75.19,70.13,29.59,39.36,-31.89],[95,47.38,77.13,74.81,70.43,29.9,40.24,-32.79],[100,46.76,76.98,74.39,70.71,30.22,41.11,-33.7],[105,46.15,76.76,73.95,70.97,30.54,41.99,-34.6],[110,45.54,76.48,73.49,71.2,30.87,42.86,-35.51],[115,44.93,76.12,72.99,71.4,31.2,43.74,-36.41],[120,44.32,75.71,72.48,71.58,31.53,44.61,-37.32],[125,43.71,75.24,71.95,71.72,31.88,45.48,-38.22],[130,43.11,74.72,71.4,71.84,32.22,46.36,-39.12],[135,42.51,74.16,70.84,71.93,32.57,47.23,-40.03],[140,41.91,73.56,70.26,71.99,32.93,48.1,-40.93],[145,41.31,72.92,69.67,72.02,33.29,48.97,-41.83],[150,40.72,72.25,69.06,72.02,33.66,49.84,-42.73],[155,40.13,71.55,68.45,71.99,34.03,50.7,-43.62],[160,39.55,70.82,67.83,71.92,34.4,51.56,-44.52],[165,38.97,70.08,67.2,71.83,34.78,52.42,-45.41],[170,38.39,69.31,66.56,71.71,35.17,53.28,-46.29],[175,37.81,68.53,65.91,71.56,35.55,54.13,-47.18],[180,37.24,67.73,65.26,71.38,35.95,54.98,-48.06],[185,36.68,66.92,64.6,71.17,36.34,55.83,-48.94],[190,36.12,66.09,63.94,70.94,36.74,56.67,-49.81],[195,35.56,65.25,63.27,70.68,37.14,57.5,-50.68],[200,35.0,64.41,62.6,70.39,37.55,58.33,-51.54],[205,34.46,63.55,61.92,70.09,37.96,59.15,-52.39],[210,33.91,62.69,61.25,69.76,38.37,59.97,-53.24],[215,33.37,61.83,60.57,69.41,38.79,60.77,-54.08],[220,32.84,60.95,59.88,69.04,39.21,61.57,-54.92],[225,32.31,60.07,59.2,68.65,39.63,62.36,-55.74],[230,31.78,59.19,58.52,68.25,40.05,63.13,-56.55],[235,31.26,58.3,57.83,67.83,40.48,63.9,-57.36],[240,30.75,57.41,57.14,67.39,40.91,64.65,-58.15],[245,30.24,56.51,56.46,66.94,41.34,65.38,-58.93],[250,29.74,55.61,55.77,66.48,41.78,66.1,-59.7],[255,29.24,54.71,55.08,66.0,42.22,66.81,-60.46],[260,28.75,53.81,54.39,65.51,42.66,67.49,-61.19],[265,28.26,52.91,53.7,65.01,43.1,68.15,-61.91],[270,27.79,52.0,53.02,64.5,43.54,68.79,-62.61],[275,27.31,51.1,52.33,63.99,43.98,69.4,-63.3],[280,26.85,50.19,51.65,63.46,44.43,69.98,-63.96],[285,26.38,49.28,50.96,62.92,44.87,70.53,-64.59],[290,25.93,48.38,50.28,62.38,45.32,71.04,-65.2],[295,25.48,47.47,49.6,61.83,45.77,71.52,-65.78],[300,25.04,46.56,48.92,61.28,46.22,71.96,-66.34],[305,24.61,45.65,48.24,60.72,46.66,72.36,-66.86],[310,24.18,44.75,47.57,60.15,47.1,72.71,-67.34],[315,23.76,43.84,46.89,59.58,47.54,73.01,-67.79],[320,23.35,42.94,46.22,59.01,47.98,73.26,-68.2],[325,22.94,42.03,45.55,58.43,48.42,73.45,-68.57],[330,22.55,41.13,44.89,57.85,48.85,73.59,-68.89],[335,22.16,40.23,44.22,57.27,49.29,73.67,-69.17],[340,21.77,39.33,43.56,56.68,49.72,73.69,-69.4],[345,21.4,38.43,42.91,56.09,50.16,73.65,-69.59],[350,21.03,37.53,42.25,55.5,50.59,73.56,-69.72],[355,20.67,36.64,41.6,54.91,51.02,73.41,-69.8],[360,20.32,35.74,40.95,54.32,51.46,73.2,-69.83],[365,19.98,34.85,40.31,53.72,51.88,72.94,-69.8],[370,19.64,33.96,39.67,53.13,52.31,72.62,-69.73],[375,19.31,33.08,39.03,52.53,52.73,72.26,-69.6],[380,19.0,32.19,38.4,51.93,53.15,71.85,-69.42],[385,18.69,31.31,37.77,51.34,53.57,71.4,-69.19],[390,18.38,30.43,37.14,50.74,53.99,70.91,-68.91],[395,18.09,29.56,36.52,50.14,54.4,70.39,-68.59],[400,17.81,28.69,35.9,49.55,54.81,69.83,-68.23],[405,17.53,27.82,35.29,48.95,55.21,69.24,-67.82],[410,17.27,26.95,34.68,48.36,55.61,68.62,-67.37],[415,17.01,26.09,34.08,47.77,56.0,67.97,-66.89],[420,16.76,25.24,33.48,47.17,56.39,67.31,-66.37],[425,16.52,24.38,32.89,46.58,56.78,66.62,-65.82],[430,16.29,23.53,32.3,46.0,57.15,65.91,-65.24],[435,16.07,22.69,31.71,45.41,57.53,65.19,-64.63],[440,15.86,21.84,31.14,44.82,57.89,64.45,-64.0],[445,15.66,21.01,30.56,44.24,58.25,63.69,-63.34],[450,15.47,20.17,30.0,43.66,58.6,62.92,-62.66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NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-24T20:12+08:00","astronomical_dawn_at":"2026-12-25T07:48+08:00","science_end_at":"2026-12-25T07:30+08:00","moon":{"illumination_at_night_start_pct":99.6,"moonless_window":null,"moonless_label":"本晚无完整无月暗夜窗口"},"target_windows":{"Ou4":{"start_above40":"2026-12-24T20:20+08:00","end_above40":"2026-12-24T22:25+08:00","transit":"2026-12-25T16:57+08:00"},"M33 三角座星系":{"start_above40":"2026-12-24T20:20+08:00","end_above40":"2026-12-25T01:25+08:00","transit":"2026-12-24T21:24+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-24T20:20+08:00","end_above40":"2026-12-25T01:55+08:00","transit":"2026-12-24T20:42+08:00"},"心脏 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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-24-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-24T20:20+08:00","end_at":"2026-12-24T22:25+08:00","latest_exposure_start_at":"2026-12-24T22:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":7,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.85,"maximum_moon_altitude_deg":36.42,"maximum_sun_altitude_deg":-19.29,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-24-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-24T22:25+08:00","end_at":"2026-12-24T22:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-24-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-24T22:35+08:00","end_at":"2026-12-25T00:05+08:00","latest_exposure_start_at":"2026-12-24T23:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.91,"maximum_moon_altitude_deg":53.67,"maximum_sun_altitude_deg":-43.52,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-24-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-25T00:05+08:00","end_at":"2026-12-25T00:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-24-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-25T00:15+08:00","end_at":"2026-12-25T03:50+08:00","latest_exposure_start_at":"2026-12-25T03:35+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.92,"maximum_moon_altitude_deg":72.03,"maximum_sun_altitude_deg":-59.81,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-24-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-25T03:50+08:00","end_at":"2026-12-25T04:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-24-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-25T04:00+08:00","end_at":"2026-12-25T05:35+08:00","latest_exposure_start_at":"2026-12-25T05:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.78,"maximum_moon_altitude_deg":66.82,"maximum_sun_altitude_deg":-41.96,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-24-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-25T05:35+08:00","end_at":"2026-12-25T06:00+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-24-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-25T06:00+08:00","end_at":"2026-12-25T07:30+08:00","latest_exposure_start_at":"2026-12-25T07:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.83,"maximum_moon_altitude_deg":47.9,"maximum_sun_altitude_deg":-21.28,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-24-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-25T07:30+08:00","end_at":"2026-12-25T07:48+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-24","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-24.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-24.json"},"altitude_plot":{"anchor_at":"2026-12-24T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,58.7,69.0,75.23,62.33,25.21,12.14,-15.81],[5,58.09,69.78,75.58,62.87,25.41,12.93,-16.68],[10,57.47,70.53,75.89,63.41,25.62,13.72,-17.54],[15,56.85,71.27,76.16,63.94,25.84,14.52,-18.42],[20,56.23,71.98,76.39,64.46,26.06,15.32,-19.29],[25,55.61,72.66,76.58,64.97,26.29,16.13,-20.17],[30,54.99,73.31,76.72,65.47,26.52,16.94,-21.05],[35,54.37,73.93,76.82,65.95,26.77,17.76,-21.93],[40,53.74,74.51,76.87,66.43,27.01,18.58,-22.82],[45,53.12,75.04,76.88,66.9,27.27,19.4,-23.71],[50,52.49,75.53,76.83,67.35,27.53,20.22,-24.6],[55,51.87,75.97,76.74,67.79,27.8,21.05,-25.49],[60,51.24,76.35,76.6,68.21,28.07,21.89,-26.39],[65,50.62,76.66,76.41,68.62,28.35,22.72,-27.29],[70,50.0,76.91,76.19,69.01,28.64,23.56,-28.18],[75,49.37,77.08,75.92,69.38,28.93,24.4,-29.08],[80,48.75,77.18,75.61,69.73,29.22,25.25,-29.98],[85,48.13,77.2,75.27,70.06,29.53,26.09,-30.89],[90,47.51,77.15,74.89,70.37,29.84,26.94,-31.79],[95,46.9,77.02,74.48,70.65,30.15,27.8,-32.69],[100,46.28,76.82,74.05,70.91,30.47,28.65,-33.6],[105,45.67,76.54,73.59,71.15,30.8,29.51,-34.5],[110,45.06,76.2,73.1,71.36,31.13,30.37,-35.41],[115,44.45,75.8,72.59,71.54,31.46,31.23,-36.31],[120,43.84,75.35,72.07,71.7,31.8,32.09,-37.22],[125,43.24,74.84,71.52,71.82,32.15,32.95,-38.12],[130,42.63,74.29,70.96,71.92,32.5,33.82,-39.02],[135,42.04,73.69,70.38,71.98,32.85,34.69,-39.93],[140,41.44,73.06,69.8,72.02,33.21,35.55,-40.83],[145,40.85,72.39,69.19,72.02,33.58,36.42,-41.73],[150,40.26,71.7,68.58,72.0,33.95,37.29,-42.63],[155,39.67,70.98,67.96,71.94,34.32,38.16,-43.52],[160,39.09,70.24,67.33,71.85,34.7,39.03,-44.42],[165,38.51,69.48,66.69,71.74,35.08,39.9,-45.31],[170,37.94,68.7,66.05,71.59,35.47,40.77,-46.19],[175,37.37,67.9,65.4,71.42,35.86,41.64,-47.08],[180,36.8,67.09,64.74,71.22,36.26,42.51,-47.96],[185,36.24,66.27,64.08,70.99,36.65,43.38,-48.84],[190,35.68,65.43,63.41,70.73,37.06,44.25,-49.71],[195,35.12,64.59,62.74,70.46,37.46,45.12,-50.58],[200,34.57,63.74,62.07,70.16,37.87,45.98,-51.44],[205,34.03,62.88,61.39,69.83,38.28,46.85,-52.3],[210,33.49,62.01,60.71,69.49,38.7,47.71,-53.14],[215,32.95,61.14,60.03,69.12,39.12,48.57,-53.99],[220,32.42,60.26,59.35,68.74,39.54,49.43,-54.82],[225,31.89,59.38,58.66,68.34,39.96,50.29,-55.65],[230,31.37,58.49,57.98,67.92,40.39,51.14,-56.46],[235,30.86,57.6,57.29,67.49,40.82,51.99,-57.27],[240,30.35,56.7,56.6,67.04,41.25,52.83,-58.06],[245,29.85,55.81,55.91,66.58,41.69,53.67,-58.84],[250,29.35,54.91,55.23,66.1,42.12,54.51,-59.61],[255,28.85,54.01,54.54,65.62,42.56,55.34,-60.37],[260,28.37,53.1,53.85,65.12,43.0,56.16,-61.11],[265,27.89,52.2,53.16,64.61,43.44,56.98,-61.83],[270,27.41,51.29,52.48,64.1,43.89,57.79,-62.53],[275,26.94,50.39,51.79,63.57,44.33,58.59,-63.21],[280,26.48,49.48,51.11,63.04,44.78,59.38,-63.88],[285,26.03,48.57,50.43,62.5,45.23,60.17,-64.51],[290,25.58,47.66,49.75,61.95,45.68,60.94,-65.13],[295,25.14,46.75,49.07,61.4,46.12,61.7,-65.71],[300,24.7,45.85,48.39,60.84,46.57,62.45,-66.27],[305,24.27,44.94,47.71,60.27,47.01,63.18,-66.79],[310,23.85,44.03,47.04,59.71,47.45,63.9,-67.28],[315,23.44,43.13,46.37,59.13,47.88,64.6,-67.73],[320,23.03,42.22,45.7,58.56,48.32,65.29,-68.14],[325,22.63,41.32,45.03,57.98,48.76,65.95,-68.52],[330,22.24,40.42,44.37,57.39,49.2,66.59,-68.85],[335,21.85,39.52,43.7,56.81,49.63,67.21,-69.13],[340,21.48,38.62,43.05,56.22,50.07,67.8,-69.37],[345,21.11,37.72,42.39,55.63,50.5,68.36,-69.55],[350,20.75,36.83,41.74,55.04,50.93,68.9,-69.69],[355,20.39,35.93,41.09,54.44,51.36,69.4,-69.78],[360,20.05,35.04,40.44,53.85,51.79,69.86,-69.81],[365,19.71,34.15,39.8,53.25,52.22,70.29,-69.79],[370,19.38,33.27,39.16,52.66,52.64,70.67,-69.72],[375,19.06,32.38,38.53,52.06,53.06,71.01,-69.59],[380,18.75,31.5,37.9,51.46,53.48,71.31,-69.42],[385,18.45,30.62,37.27,50.87,53.9,71.56,-69.2],[390,18.15,29.75,36.65,50.27,54.31,71.75,-68.92],[395,17.87,28.87,36.03,49.67,54.72,71.9,-68.61],[400,17.59,28.01,35.42,49.08,55.12,71.99,-68.25],[405,17.32,27.14,34.81,48.49,55.52,72.03,-67.84],[410,17.06,26.28,34.21,47.89,55.92,72.01,-67.4],[415,16.81,25.42,33.61,47.3,56.31,71.94,-66.92],[420,16.57,24.56,33.01,46.71,56.69,71.82,-66.41],[425,16.34,23.71,32.42,46.12,57.07,71.64,-65.86],[430,16.12,22.87,31.84,45.53,57.45,71.41,-65.28],[435,15.9,22.02,31.26,44.95,57.82,71.14,-64.68],[440,15.7,21.18,30.69,44.37,58.18,70.81,-64.04],[445,15.51,20.35,30.12,43.78,58.53,70.44,-63.39],[450,15.32,19.52,29.55,43.21,58.88,70.03,-62.71],[455,15.15,18.7,29.0,42.63,59.22,69.58,-62.01],[460,14.98,17.88,28.45,42.06,59.55,69.09,-61.3],[465,14.83,17.06,27.9,41.49,59.87,68.57,-60.56],[470,14.68,16.25,27.36,40.92,60.18,68.02,-59.81],[475,14.55,15.45,26.83,40.35,60.49,67.43,-59.05],[480,14.42,14.65,26.3,39.79,60.78,66.82,-58.27],[485,14.3,13.86,25.78,39.23,61.06,66.19,-57.48],[490,14.2,13.07,25.27,38.68,61.34,65.53,-56.67],[495,14.1,12.29,24.76,38.13,61.6,64.85,-55.86],[500,14.02,11.52,24.26,37.58,61.85,64.15,-55.04],[505,13.94,10.75,23.77,37.04,62.09,63.44,-54.2],[510,13.88,9.99,23.28,36.5,62.32,62.7,-53.36],[515,13.82,9.23,22.8,35.96,62.53,61.96,-52.52],[520,13.78,8.49,22.33,35.43,62.73,61.2,-51.66],[525,13.74,7.75,21.87,34.91,62.92,60.42,-50.8],[530,13.71,7.01,21.41,34.38,63.1,59.64,-49.94],[535,13.7,6.29,20.96,33.87,63.26,58.84,-49.07],[540,13.7,5.57,20.52,33.35,63.41,58.04,-48.19],[545,13.7,4.86,20.08,32.85,63.54,57.23,-47.31],[550,13.72,4.16,19.66,32.34,63.66,56.41,-46.43],[555,13.74,3.46,19.24,31.85,63.76,55.58,-45.54],[560,13.78,2.78,18.83,31.35,63.85,54.75,-44.65],[565,13.82,2.1,18.43,30.87,63.92,53.91,-43.75],[570,13.88,1.44,18.04,30.38,63.98,53.06,-42.86],[575,13.95,0.78,17.66,29.91,64.02,52.21,-41.96],[580,14.02,0.13,17.28,29.44,64.04,51.36,-41.06],[585,14.11,-0.51,16.91,28.97,64.05,50.5,-40.16],[590,14.21,-1.14,16.56,28.51,64.04,49.64,-39.26],[595,14.31,-1.76,16.21,28.06,64.02,48.77,-38.36],[600,14.43,-2.37,15.87,27.61,63.98,47.9,-37.45],[605,14.56,-2.96,15.54,27.17,63.93,47.03,-36.55],[610,14.69,-3.55,15.22,26.74,63.86,46.16,-35.64],[615,14.84,-4.13,14.9,26.31,63.78,45.28,-34.74],[620,15.0,-4.69,14.6,25.89,63.67,44.41,-33.83],[625,15.16,-5.25,14.31,25.47,63.56,43.53,-32.93],[630,15.34,-5.79,14.03,25.07,63.43,42.65,-32.02],[635,15.52,-6.32,13.75,24.67,63.28,41.77,-31.12],[640,15.72,-6.84,13.49,24.27,63.13,40.89,-30.22],[645,15.92,-7.34,13.24,23.88,62.95,40.01,-29.32],[650,16.14,-7.83,12.99,23.5,62.77,39.12,-28.42],[655,16.36,-8.31,12.76,23.13,62.57,38.24,-27.52],[660,16.59,-8.78,12.54,22.77,62.35,37.36,-26.62],[665,16.83,-9.23,12.32,22.41,62.13,36.48,-25.72],[670,17.08,-9.67,12.12,22.06,61.89,35.6,-24.83],[675,17.34,-10.09,11.93,21.72,61.64,34.72,-23.94],[680,17.61,-10.51,11.75,21.38,61.38,33.84,-23.05],[685,17.89,-10.9,11.58,21.06,61.11,32.96,-22.16],[690,18.18,-11.28,11.42,20.74,60.83,32.08,-21.28],[695,18.47,-11.65,11.27,20.43,60.53,31.2,-20.4],[700,18.78,-12.0,11.13,20.12,60.23,30.33,-19.52],[705,19.09,-12.34,11.0,19.83,59.92,29.46,-18.64],[710,19.41,-12.66,10.88,19.54,59.6,28.58,-17.77],[715,19.74,-12.96,10.78,19.27,59.27,27.71,-16.9],[720,20.08,-13.25,10.68,19.0,58.93,26.84,-16.03]]},"broadband_comparison":{"handoff_after_ou4_at":"2026-12-24T22:35+08:00","targets":{"m33":{"peak_altitude_deg":77.2,"altitude_after_ou4_deg":71.0,"transit_at":"2026-12-24T21:24+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m81":{"peak_altitude_deg":64.7,"altitude_after_ou4_deg":34.3,"transit_at":"2026-12-25T05:45+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}},"m82":{"peak_altitude_deg":64.1,"altitude_after_ou4_deg":34.6,"transit_at":"2026-12-25T05:45+08:00","windows":{"40":{"moonless_after_ou4":null,"moonless_post_transit":null},"45":{"moonless_after_ou4":null,"moonless_post_transit":null}}}}},"data_revision":"fed806f738800a96","weather_review":null,"status":"scheduled"},{"schema_version":"qitai-observing-calendar/3","plan_version":"2026-11-02.nina-site.v4","night_date":"2026-12-25","timezone":"Asia/Shanghai","site":{"name":"奇台远程台","latitude_deg":43.59722222222222,"longitude_deg":89.75361111111111,"elevation_m":2200,"latitude_dms":"43°35′50″N","longitude_dms":"89°45′13″E","datum":"WGS84（按ASCOM定义）","timezone":"Asia/Shanghai","utc_offset":"+08:00","source":"用户提供的 NINA / GS Server 支架界面截图，2026-11-02","verification":"与截图恒星时及时间自洽；未独立GPS核验，海拔沿用驱动读数","screenshot_local_time":"2026-11-02T14:32:28+08:00","screenshot_lst":"15:17:41","computed_lst":"15:17:41.84","gps_verified":false},"astronomical_dusk_at":"2026-12-25T20:13+08:00","astronomical_dawn_at":"2026-12-26T07:49+08:00","science_end_at":"2026-12-26T07:30+08:00","moon":{"illumination_at_night_start_pct":96.8,"moonless_window":null,"moonless_label":"本晚无完整无月暗夜窗口"},"target_windows":{"Ou4":{"start_above40":"2026-12-25T20:20+08:00","end_above40":"2026-12-25T22:20+08:00","transit":"2026-12-26T16:53+08:00"},"M33 三角座星系":{"start_above40":"2026-12-25T20:20+08:00","end_above40":"2026-12-26T01:20+08:00","transit":"2026-12-25T21:20+08:00"},"吃豆人 NGC281":{"start_above40":"2026-12-25T20:20+08:00","end_above40":"2026-12-26T01:50+08:00","transit":"2026-12-25T20:38+08:00"},"心脏 IC1805":{"start_above40":"2026-12-25T20:20+08:00","end_above40":"2026-12-26T03:45+08:00","transit":"2026-12-25T22:19+08:00"},"M81":{"start_above40":"2026-12-25T23:50+08:00","end_above40":"2026-12-26T07:30+08:00","transit":"2026-12-26T05:41+08:00"},"M82":{"start_above40":"2026-12-25T23:45+08:00","end_above40":"2026-12-26T07:30+08:00","transit":"2026-12-26T05:41+08:00"}},"segments":[{"id":"2026-12-25-0","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-25T20:13+08:00","end_at":"2026-12-25T20:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-25-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-25T20:20+08:00","end_at":"2026-12-25T22:20+08:00","latest_exposure_start_at":"2026-12-25T22:05+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.97,"maximum_moon_altitude_deg":22.39,"maximum_sun_altitude_deg":-19.19,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；满月附近为天气补拍备选，先检查背景。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-25-2","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-25T22:20+08:00","end_at":"2026-12-25T22:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-25-3","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-25T22:30+08:00","end_at":"2026-12-26T00:00+08:00","latest_exposure_start_at":"2026-12-25T23:45+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.06,"maximum_moon_altitude_deg":39.65,"maximum_sun_altitude_deg":-42.52,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-25-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-26T00:00+08:00","end_at":"2026-12-26T00:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-25-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-26T00:10+08:00","end_at":"2026-12-26T03:45+08:00","latest_exposure_start_at":"2026-12-26T03:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.04,"maximum_moon_altitude_deg":68.26,"maximum_sun_altitude_deg":-59.52,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-25-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-26T03:45+08:00","end_at":"2026-12-26T03:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-25-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-26T03:55+08:00","end_at":"2026-12-26T05:30+08:00","latest_exposure_start_at":"2026-12-26T05:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.72,"maximum_moon_altitude_deg":68.24,"maximum_sun_altitude_deg":-42.93,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-25-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-26T05:30+08:00","end_at":"2026-12-26T05:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-25-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-26T05:55+08:00","end_at":"2026-12-26T07:30+08:00","latest_exposure_start_at":"2026-12-26T07:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.6,"maximum_moon_altitude_deg":56.55,"maximum_sun_altitude_deg":-21.35,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-25-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-26T07:30+08:00","end_at":"2026-12-26T07:49+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-25","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-25.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-25.json"},"altitude_plot":{"anchor_at":"2026-12-25T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,58.22,69.61,75.51,62.76,25.37,0.07,-15.71],[5,57.6,70.37,75.82,63.29,25.58,0.8,-16.57],[10,56.99,71.11,76.11,63.82,25.79,1.53,-17.44],[15,56.37,71.83,76.35,64.35,26.01,2.27,-18.31],[20,55.74,72.52,76.54,64.86,26.24,3.01,-19.19],[25,55.12,73.17,76.7,65.36,26.47,3.77,-20.07],[30,54.5,73.8,76.81,65.85,26.71,4.53,-20.95],[35,53.87,74.39,76.87,66.33,26.96,5.29,-21.83],[40,53.25,74.93,76.88,66.8,27.21,6.06,-22.72],[45,52.63,75.43,76.84,67.25,27.47,6.83,-23.61],[50,52.0,75.88,76.76,67.7,27.74,7.61,-24.5],[55,51.38,76.27,76.63,68.12,28.01,8.4,-25.39],[60,50.75,76.6,76.46,68.53,28.29,9.19,-26.28],[65,50.13,76.86,76.24,68.92,28.57,9.99,-27.18],[70,49.51,77.05,75.98,69.3,28.86,10.79,-28.08],[75,48.88,77.17,75.68,69.65,29.16,11.59,-28.98],[80,48.26,77.2,75.34,69.99,29.46,12.4,-29.88],[85,47.64,77.17,74.98,70.3,29.77,13.21,-30.78],[90,47.03,77.05,74.57,70.59,30.08,14.03,-31.69],[95,46.41,76.87,74.14,70.86,30.4,14.85,-32.59],[100,45.8,76.61,73.69,71.1,30.73,15.67,-33.49],[105,45.19,76.28,73.21,71.32,31.05,16.5,-34.4],[110,44.58,75.89,72.7,71.5,31.39,17.33,-35.3],[115,43.97,75.45,72.18,71.66,31.73,18.17,-36.21],[120,43.37,74.95,71.64,71.8,32.07,19.01,-37.11],[125,42.76,74.41,71.08,71.9,32.42,19.85,-38.02],[130,42.16,73.82,70.51,71.97,32.78,20.69,-38.92],[135,41.57,73.2,69.92,72.01,33.14,21.54,-39.82],[140,40.97,72.54,69.32,72.02,33.5,22.39,-40.72],[145,40.38,71.85,68.71,72.0,33.87,23.24,-41.62],[150,39.8,71.14,68.09,71.95,34.24,24.09,-42.52],[155,39.21,70.4,67.47,71.87,34.62,24.95,-43.42],[160,38.64,69.64,66.83,71.76,35.0,25.81,-44.31],[165,38.06,68.86,66.19,71.62,35.39,26.66,-45.2],[170,37.49,68.07,65.54,71.46,35.78,27.53,-46.09],[175,36.92,67.26,64.88,71.26,36.17,28.39,-46.98],[180,36.36,66.44,64.22,71.04,36.57,29.25,-47.86],[185,35.8,65.61,63.55,70.79,36.97,30.12,-48.73],[190,35.24,64.77,62.88,70.52,37.38,30.98,-49.61],[195,34.69,63.92,62.21,70.22,37.78,31.85,-50.48],[200,34.14,63.06,61.54,69.9,38.2,32.72,-51.34],[205,33.6,62.2,60.86,69.56,38.61,33.58,-52.19],[210,33.06,61.32,60.18,69.2,39.03,34.45,-53.04],[215,32.53,60.45,59.49,68.82,39.45,35.32,-53.89],[220,32.01,59.57,58.81,68.42,39.87,36.19,-54.72],[225,31.48,58.68,58.12,68.01,40.3,37.05,-55.55],[230,30.97,57.79,57.44,67.58,40.73,37.92,-56.36],[235,30.46,56.89,56.75,67.14,41.16,38.79,-57.17],[240,29.95,56.0,56.06,66.68,41.59,39.65,-57.97],[245,29.45,55.1,55.37,66.2,42.03,40.51,-58.75],[250,28.96,54.2,54.69,65.72,42.47,41.38,-59.52],[255,28.47,53.3,54.0,65.23,42.91,42.23,-60.27],[260,27.99,52.39,53.31,64.72,43.35,43.09,-61.01],[265,27.51,51.49,52.62,64.21,43.79,43.95,-61.74],[270,27.04,50.58,51.94,63.68,44.24,44.8,-62.44],[275,26.58,49.67,51.26,63.15,44.68,45.65,-63.13],[280,26.12,48.76,50.57,62.61,45.13,46.5,-63.79],[285,25.67,47.86,49.89,62.07,45.58,47.34,-64.43],[290,25.23,46.95,49.21,61.52,46.03,48.18,-65.04],[295,24.79,46.04,48.53,60.96,46.48,49.01,-65.63],[300,24.36,45.13,47.86,60.4,46.91,49.84,-66.19],[305,23.94,44.23,47.18,59.83,47.35,50.66,-66.72],[310,23.52,43.32,46.51,59.26,47.79,51.48,-67.21],[315,23.12,42.42,45.84,58.68,48.23,52.29,-67.66],[320,22.71,41.51,45.17,58.1,48.67,53.09,-68.08],[325,22.32,40.61,44.51,57.52,49.1,53.88,-68.46],[330,21.94,39.71,43.85,56.93,49.54,54.67,-68.79],[335,21.56,38.81,43.19,56.34,49.97,55.44,-69.08],[340,21.19,37.91,42.53,55.75,50.41,56.21,-69.32],[345,20.82,37.02,41.88,55.16,50.84,56.96,-69.51],[350,20.47,36.12,41.23,54.57,51.27,57.71,-69.65],[355,20.12,35.23,40.58,53.98,51.7,58.44,-69.74],[360,19.78,34.34,39.94,53.38,52.13,59.15,-69.78],[365,19.45,33.46,39.3,52.78,52.55,59.85,-69.77],[370,19.13,32.57,38.67,52.19,52.97,60.53,-69.7],[375,18.82,31.69,38.03,51.59,53.39,61.2,-69.58],[380,18.51,30.81,37.41,50.99,53.81,61.85,-69.41],[385,18.21,29.93,36.78,50.4,54.22,62.47,-69.19],[390,17.93,29.06,36.16,49.8,54.63,63.08,-68.93],[395,17.65,28.19,35.55,49.21,55.04,63.66,-68.61],[400,17.38,27.32,34.94,48.61,55.44,64.21,-68.26],[405,17.12,26.46,34.34,48.02,55.83,64.74,-67.86],[410,16.87,25.6,33.73,47.43,56.23,65.24,-67.42],[415,16.62,24.75,33.14,46.84,56.61,65.7,-66.95],[420,16.39,23.89,32.55,46.25,56.99,66.14,-66.43],[425,16.16,23.05,31.96,45.66,57.37,66.54,-65.89],[430,15.95,22.2,31.38,45.07,57.74,66.9,-65.32],[435,15.74,21.36,30.81,44.49,58.1,67.22,-64.71],[440,15.55,20.53,30.24,43.91,58.46,67.5,-64.09],[445,15.36,19.7,29.67,43.33,58.8,67.74,-63.43],[450,15.18,18.87,29.12,42.75,59.14,67.94,-62.76],[455,15.02,18.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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-26-2","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-26T21:10+08:00","end_at":"2026-12-26T21:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-26-3","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"Hα/SII","filters":["Hα","SII"],"start_at":"2026-12-26T21:15+08:00","end_at":"2026-12-26T22:15+08:00","latest_exposure_start_at":"2026-12-26T22:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.1,"maximum_moon_altitude_deg":8.33,"maximum_sun_altitude_deg":-28.87,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"Hα 与 SII 交替；临近满月时按背景和透明度筛片。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-26-4","kind":"overhead","target_id":null,"target_name":"转场至吃豆人","channel_mode":"—","filters":[],"start_at":"2026-12-26T22:15+08:00","end_at":"2026-12-26T22:25+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，定位/对焦/导星稳定后再开拍。"},{"id":"2026-12-26-5","kind":"exposure","target_id":"ngc281","target_name":"吃豆人 NGC281","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-26T22:25+08:00","end_at":"2026-12-26T23:55+08:00","latest_exposure_start_at":"2026-12-26T23:40+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.21,"maximum_moon_altitude_deg":25.33,"maximum_sun_altitude_deg":-41.51,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-26-6","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-26T23:55+08:00","end_at":"2026-12-27T00:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-26-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-27T00:05+08:00","end_at":"2026-12-27T03:45+08:00","latest_exposure_start_at":"2026-12-27T03:30+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.59,"maximum_moon_altitude_deg":60.14,"maximum_sun_altitude_deg":-58.65,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-26-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-27T03:45+08:00","end_at":"2026-12-27T03:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-26-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-27T03:55+08:00","end_at":"2026-12-27T05:25+08:00","latest_exposure_start_at":"2026-12-27T05:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.94,"maximum_moon_altitude_deg":62.97,"maximum_sun_altitude_deg":-43.89,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-26-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-27T05:25+08:00","end_at":"2026-12-27T05:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-26-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-27T05:50+08:00","end_at":"2026-12-27T07:30+08:00","latest_exposure_start_at":"2026-12-27T07:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.36,"maximum_moon_altitude_deg":59.91,"maximum_sun_altitude_deg":-21.41,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-26-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-27T07:30+08:00","end_at":"2026-12-27T07:49+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-26","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-26.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-26.json"},"altitude_plot":{"anchor_at":"2026-12-26T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,57.74,70.21,75.76,63.18,25.53,-11.92,-15.6],[5,57.12,70.96,76.05,63.71,25.75,-11.26,-16.47],[10,56.5,71.68,76.3,64.23,25.96,-10.6,-17.34],[15,55.88,72.37,76.51,64.75,26.19,-9.92,-18.21],[20,55.26,73.04,76.67,65.25,26.42,-9.24,-19.08],[25,54.63,73.67,76.79,65.75,26.66,-8.55,-19.96],[30,54.01,74.27,76.86,66.23,26.91,-7.85,-20.84],[35,53.38,74.82,76.88,66.7,27.16,-7.15,-21.72],[40,52.76,75.33,76.85,67.16,27.42,-6.43,-22.61],[45,52.13,75.79,76.78,67.6,27.68,-5.71,-23.5],[50,51.51,76.19,76.66,68.03,27.95,-4.98,-24.39],[55,50.88,76.53,76.5,68.45,28.23,-4.24,-25.28],[60,50.26,76.81,76.29,68.84,28.51,-3.5,-26.18],[65,49.64,77.01,76.04,69.22,28.8,-2.75,-27.07],[70,49.02,77.15,75.75,69.58,29.1,-2.0,-27.97],[75,48.4,77.2,75.42,69.92,29.4,-1.23,-28.87],[80,47.78,77.18,75.06,70.24,29.7,-0.46,-29.77],[85,47.16,77.08,74.66,70.53,30.02,0.31,-30.67],[90,46.54,76.91,74.24,70.8,30.33,1.09,-31.58],[95,45.93,76.67,73.79,71.05,30.66,1.87,-32.48],[100,45.32,76.36,73.31,71.27,30.98,2.66,-33.38],[105,44.71,75.98,72.81,71.47,31.32,3.46,-34.29],[110,44.1,75.55,72.29,71.63,31.66,4.26,-35.19],[115,43.49,75.06,71.76,71.77,32.0,5.06,-36.1],[120,42.89,74.53,71.2,71.88,32.35,5.87,-37.0],[125,42.29,73.95,70.63,71.96,32.7,6.69,-37.91],[130,41.69,73.33,70.05,72.01,33.06,7.51,-38.81],[135,41.1,72.68,69.45,72.02,33.42,8.33,-39.71],[140,40.51,72.0,68.85,72.01,33.79,9.15,-40.61],[145,39.92,71.29,68.23,71.97,34.16,9.98,-41.51],[150,39.34,70.56,67.6,71.89,34.54,10.81,-42.41],[155,38.76,69.8,66.97,71.79,34.92,11.65,-43.31],[160,38.18,69.03,66.32,71.66,35.31,12.49,-44.2],[165,37.61,68.24,65.68,71.5,35.69,13.33,-45.09],[170,37.04,67.44,65.02,71.31,36.09,14.18,-45.98],[175,36.48,66.62,64.36,71.09,36.48,15.02,-46.87],[180,35.91,65.79,63.7,70.85,36.88,15.87,-47.75],[185,35.36,64.95,63.03,70.58,37.29,16.72,-48.63],[190,34.81,64.1,62.36,70.29,37.7,17.58,-49.5],[195,34.26,63.25,61.68,69.97,38.11,18.43,-50.37],[200,33.72,62.38,61.0,69.64,38.52,19.29,-51.23],[205,33.18,61.51,60.32,69.28,38.94,20.15,-52.09],[210,32.65,60.64,59.64,68.9,39.36,21.01,-52.94],[215,32.12,59.75,58.95,68.51,39.78,21.87,-53.78],[220,31.6,58.87,58.27,68.1,40.21,22.74,-54.62],[225,31.08,57.98,57.58,67.67,40.64,23.6,-55.44],[230,30.57,57.09,56.9,67.23,41.07,24.47,-56.26],[235,30.06,56.19,56.21,66.78,41.5,25.33,-57.07],[240,29.56,55.29,55.52,66.31,41.94,26.2,-57.86],[245,29.06,54.39,54.83,65.83,42.37,27.06,-58.65],[250,28.57,53.49,54.14,65.33,42.81,27.93,-59.42],[255,28.09,52.58,53.46,64.83,43.25,28.79,-60.17],[260,27.61,51.68,52.77,64.32,43.7,29.66,-60.92],[265,27.14,50.77,52.09,63.8,44.14,30.52,-61.64],[270,26.68,49.87,51.4,63.27,44.59,31.39,-62.35],[275,26.22,48.96,50.72,62.73,45.04,32.25,-63.03],[280,25.77,48.05,50.04,62.19,45.48,33.11,-63.7],[285,25.32,47.14,49.36,61.63,45.93,33.97,-64.34],[290,24.89,46.24,48.68,61.08,46.38,34.83,-64.96],[295,24.45,45.33,48.0,60.52,46.82,35.68,-65.55],[300,24.03,44.42,47.33,59.95,47.26,36.54,-66.11],[305,23.61,43.52,46.65,59.38,47.7,37.39,-66.63],[310,23.2,42.61,45.98,58.8,48.13,38.23,-67.13],[315,22.8,41.71,45.31,58.22,48.57,39.08,-67.59],[320,22.4,40.8,44.65,57.64,49.01,39.92,-68.01],[325,22.02,39.9,43.99,57.06,49.45,40.75,-68.39],[330,21.64,39.0,43.33,56.47,49.88,41.58,-68.73],[335,21.26,38.1,42.67,55.88,50.31,42.41,-69.02],[340,20.9,37.21,42.02,55.29,50.75,43.23,-69.26],[345,20.54,36.31,41.37,54.7,51.18,44.04,-69.46],[350,20.19,35.42,40.72,54.1,51.61,44.85,-69.61],[355,19.85,34.53,40.08,53.51,52.04,45.66,-69.7],[360,19.52,33.64,39.44,52.91,52.46,46.45,-69.74],[365,19.2,32.76,38.8,52.32,52.88,47.24,-69.74],[370,18.88,31.88,38.17,51.72,53.3,48.02,-69.67],[375,18.58,31.0,37.54,51.12,53.72,48.79,-69.56],[380,18.28,30.12,36.92,50.53,54.13,49.55,-69.4],[385,17.99,29.25,36.3,49.93,54.54,50.3,-69.18],[390,17.71,28.38,35.68,49.33,54.95,51.03,-68.92],[395,17.44,27.51,35.07,48.74,55.35,51.76,-68.61],[400,17.17,26.65,34.46,48.15,55.75,52.48,-68.26],[405,16.92,25.78,33.86,47.55,56.14,53.18,-67.87],[410,16.67,24.93,33.27,46.96,56.53,53.86,-67.43],[415,16.44,24.08,32.67,46.37,56.91,54.53,-66.96],[420,16.21,23.23,32.09,45.78,57.29,55.19,-66.46],[425,15.99,22.38,31.51,45.2,57.66,55.82,-65.92],[430,15.79,21.54,30.93,44.61,58.02,56.44,-65.34],[435,15.59,20.71,30.36,44.03,58.38,57.04,-64.75],[440,15.4,19.88,29.79,43.45,58.73,57.62,-64.12],[445,15.22,19.05,29.23,42.88,59.07,58.17,-63.47],[450,15.05,18.23,28.68,42.3,59.41,58.7,-62.8],[455,14.89,17.41,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外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-27-11","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-28T07:30+08:00","end_at":"2026-12-28T07:49+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-27","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-27.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-27.json"},"altitude_plot":{"anchor_at":"2026-12-27T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,57.25,70.8,75.99,63.6,25.7,-23.47,-15.49],[5,56.63,71.52,76.25,64.12,25.92,-22.9,-16.36],[10,56.01,72.22,76.46,64.64,26.14,-22.32,-17.22],[15,55.39,72.9,76.64,65.15,26.37,-21.72,-18.09],[20,54.77,73.54,76.76,65.64,26.61,-21.12,-18.97],[25,54.14,74.14,76.85,66.13,26.85,-20.5,-19.85],[30,53.52,74.71,76.88,66.6,27.11,-19.87,-20.73],[35,52.89,75.23,76.86,67.06,27.36,-19.23,-21.61],[40,52.27,75.7,76.8,67.51,27.63,-18.58,-22.5],[45,51.64,76.11,76.69,67.94,27.89,-17.92,-23.38],[50,51.02,76.47,76.54,68.36,28.17,-17.25,-24.27],[55,50.39,76.76,76.34,68.76,28.45,-16.57,-25.17],[60,49.77,76.98,76.09,69.14,28.74,-15.88,-26.06],[65,49.15,77.12,75.81,69.51,29.03,-15.18,-26.96],[70,48.53,77.2,75.49,69.85,29.33,-14.47,-27.86],[75,47.91,77.19,75.14,70.17,29.64,-13.76,-28.76],[80,47.29,77.11,74.75,70.47,29.95,-13.04,-29.66],[85,46.67,76.96,74.33,70.75,30.26,-12.31,-30.56],[90,46.06,76.73,73.89,71.0,30.59,-11.57,-31.46],[95,45.45,76.43,73.42,71.23,30.91,-10.82,-32.37],[100,44.84,76.07,72.92,71.43,31.25,-10.07,-33.27],[105,44.23,75.65,72.41,71.6,31.58,-9.31,-34.17],[110,43.62,75.17,71.87,71.74,31.93,-8.55,-35.08],[115,43.02,74.65,71.32,71.86,32.27,-7.78,-35.98],[120,42.42,74.08,70.76,71.94,32.63,-7.0,-36.89],[125,41.82,73.47,70.17,72.0,32.98,-6.22,-37.79],[130,41.23,72.82,69.58,72.02,33.35,-5.43,-38.7],[135,40.64,72.15,68.98,72.02,33.71,-4.63,-39.6],[140,40.05,71.44,68.36,71.98,34.08,-3.83,-40.5],[145,39.46,70.72,67.74,71.91,34.46,-3.03,-41.4],[150,38.88,69.97,67.1,71.81,34.84,-2.22,-42.3],[155,38.3,69.2,66.46,71.69,35.22,-1.41,-43.19],[160,37.73,68.41,65.81,71.53,35.61,-0.59,-44.09],[165,37.16,67.61,65.16,71.35,36.0,0.23,-44.98],[170,36.6,66.8,64.5,71.14,36.4,1.06,-45.87],[175,36.03,65.97,63.84,70.9,36.8,1.89,-46.75],[180,35.48,65.13,63.17,70.64,37.2,2.72,-47.64],[185,34.92,64.29,62.5,70.35,37.61,3.56,-48.51],[190,34.38,63.43,61.82,70.04,38.02,4.4,-49.39],[195,33.83,62.57,61.15,69.71,38.43,5.24,-50.26],[200,33.29,61.7,60.47,69.36,38.85,6.08,-51.12],[205,32.76,60.82,59.78,68.99,39.27,6.93,-51.98],[210,32.23,59.94,59.1,68.6,39.69,7.78,-52.83],[215,31.71,59.06,58.42,68.19,40.12,8.63,-53.67],[220,31.19,58.17,57.73,67.77,40.54,9.49,-54.51],[225,30.68,57.28,57.04,67.33,40.97,10.34,-55.33],[230,30.17,56.38,56.35,66.87,41.41,11.2,-56.15],[235,29.67,55.48,55.67,66.41,41.84,12.06,-56.96],[240,29.17,54.58,54.98,65.93,42.28,12.92,-57.76],[245,28.68,53.68,54.29,65.44,42.72,13.78,-58.54],[250,28.19,52.78,53.6,64.94,43.16,14.65,-59.31],[255,27.72,51.87,52.92,64.43,43.6,15.51,-60.07],[260,27.24,50.97,52.23,63.91,44.05,16.37,-60.81],[265,26.78,50.06,51.55,63.38,44.49,17.24,-61.54],[270,26.32,49.15,50.86,62.85,44.94,18.1,-62.25],[275,25.86,48.24,50.18,62.3,45.39,18.97,-62.93],[280,25.42,47.34,49.5,61.75,45.84,19.83,-63.6],[285,24.98,46.43,48.82,61.2,46.29,20.69,-64.24],[290,24.55,45.52,48.14,60.64,46.73,21.56,-64.86],[295,24.12,44.61,47.47,60.07,47.16,22.42,-65.45],[300,23.7,43.71,46.8,59.5,47.6,23.28,-66.02],[305,23.29,42.8,46.13,58.93,48.04,24.14,-66.55],[310,22.89,41.9,45.46,58.35,48.48,25.0,-67.04],[315,22.49,41.0,44.79,57.77,48.92,25.85,-67.51],[320,22.1,40.1,44.13,57.18,49.35,26.71,-67.93],[325,21.72,39.19,43.47,56.6,49.79,27.56,-68.31],[330,21.34,38.3,42.81,56.01,50.22,28.41,-68.65],[335,20.98,37.4,42.16,55.42,50.66,29.25,-68.95],[340,20.62,36.51,41.51,54.82,51.09,30.1,-69.2],[345,20.27,35.61,40.86,54.23,51.52,30.94,-69.4],[350,19.93,34.72,40.21,53.63,51.94,31.77,-69.55],[355,19.59,33.83,39.57,53.04,52.37,32.61,-69.65],[360,19.27,32.95,38.94,52.44,52.79,33.43,-69.7],[365,18.95,32.07,38.3,51.85,53.21,34.26,-69.7],[370,18.64,31.18,37.67,51.25,53.63,35.07,-69.64],[375,18.34,30.31,37.05,50.65,54.05,35.89,-69.53],[380,18.05,29.43,36.43,50.06,54.46,36.69,-69.37],[385,17.77,28.56,35.81,49.46,54.86,37.49,-69.17],[390,17.49,27.69,35.2,48.87,55.27,38.28,-68.91],[395,17.23,26.83,34.59,48.27,55.67,39.07,-68.61],[400,16.97,25.97,33.99,47.68,56.06,39.85,-68.26],[405,16.72,25.11,33.39,47.09,56.45,40.62,-67.87],[410,16.49,24.26,32.8,46.5,56.83,41.38,-67.44],[415,16.26,23.41,32.21,45.91,57.21,42.13,-66.97],[420,16.04,22.56,31.63,45.32,57.58,42.87,-66.47],[425,15.83,21.72,31.05,44.74,57.95,43.6,-65.93],[430,15.63,20.88,30.48,44.16,58.3,44.32,-65.37],[435,15.44,20.05,29.91,43.58,58.66,45.03,-64.77],[440,15.26,19.22,29.35,43.0,59.0,45.73,-64.15],[445,15.09,18.4,28.8,42.42,59.33,46.41,-63.5],[450,14.93,17.58,28.25,41.85,59.66,47.08,-62.83],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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-28-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-28T20:25+08:00","end_at":"2026-12-28T22:10+08:00","latest_exposure_start_at":"2026-12-28T21:55+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.76,"maximum_moon_altitude_deg":-17.91,"maximum_sun_altitude_deg":-19.73,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-28-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-28T22:10+08:00","end_at":"2026-12-28T22:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-28-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-28T22:20+08:00","end_at":"2026-12-28T23:45+08:00","latest_exposure_start_at":"2026-12-28T23:40+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":14,"exposure_hours":1.166667,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":56.57,"maximum_moon_altitude_deg":-2.52,"maximum_sun_altitude_deg":-40.38,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-28-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-28T23:45+08:00","end_at":"2026-12-28T23:55+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-28-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-28T23:55+08:00","end_at":"2026-12-29T03:35+08:00","latest_exposure_start_at":"2026-12-29T03:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":12,"exposure_hours":3.0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.84,"maximum_moon_altitude_deg":35.68,"maximum_sun_altitude_deg":-56.84,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-28-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-29T03:35+08:00","end_at":"2026-12-29T03:45+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-28-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-29T03:45+08:00","end_at":"2026-12-29T05:15+08:00","latest_exposure_start_at":"2026-12-29T05:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.82,"maximum_moon_altitude_deg":47.26,"maximum_sun_altitude_deg":-45.79,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-28-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-29T05:15+08:00","end_at":"2026-12-29T05:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-28-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-29T05:40+08:00","end_at":"2026-12-29T07:35+08:00","latest_exposure_start_at":"2026-12-29T07:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":59.55,"maximum_moon_altitude_deg":50.15,"maximum_sun_altitude_deg":-20.64,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-28-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-29T07:35+08:00","end_at":"2026-12-29T07:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-28","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-28.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-28.json"},"altitude_plot":{"anchor_at":"2026-12-28T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,56.76,71.37,76.2,64.01,25.87,-34.29,-15.38],[5,56.14,72.08,76.42,64.53,26.09,-33.82,-16.24],[10,55.52,72.76,76.6,65.04,26.32,-33.34,-17.11],[15,54.9,73.4,76.74,65.54,26.56,-32.84,-17.98],[20,54.27,74.02,76.83,66.02,26.8,-32.33,-18.85],[25,53.65,74.59,76.88,66.5,27.05,-31.8,-19.73],[30,53.03,75.12,76.87,66.96,27.31,-31.26,-20.61],[35,52.4,75.6,76.82,67.41,27.57,-30.7,-21.49],[40,51.78,76.03,76.72,67.85,27.84,-30.13,-22.38],[45,51.15,76.4,76.57,68.27,28.11,-29.54,-23.27],[50,50.53,76.7,76.38,68.68,28.39,-28.94,-24.16],[55,49.9,76.94,76.15,69.06,28.68,-28.33,-25.05],[60,49.28,77.1,75.88,69.43,28.97,-27.71,-25.94],[65,48.66,77.19,75.56,69.78,29.27,-27.07,-26.84],[70,48.04,77.2,75.22,70.1,29.57,-26.43,-27.74],[75,47.42,77.14,74.83,70.41,29.88,-25.77,-28.64],[80,46.81,77.0,74.42,70.69,30.2,-25.1,-29.54],[85,46.19,76.78,73.98,70.95,30.52,-24.42,-30.44],[90,45.58,76.5,73.52,71.18,30.84,-23.74,-31.34],[95,44.97,76.15,73.03,71.39,31.17,-23.04,-32.25],[100,44.36,75.74,72.52,71.56,31.51,-22.33,-33.15],[105,43.75,75.28,71.99,71.71,31.85,-21.62,-34.06],[110,43.15,74.76,71.44,71.84,32.2,-20.89,-34.96],[115,42.55,74.2,70.88,71.93,32.55,-20.16,-35.87],[120,41.95,73.6,70.3,71.99,32.91,-19.42,-36.77],[125,41.35,72.96,69.71,72.02,33.27,-18.67,-37.67],[130,40.76,72.29,69.11,72.02,33.63,-17.91,-38.58],[135,40.17,71.6,68.49,71.99,34.0,-17.15,-39.48],[140,39.59,70.87,67.87,71.93,34.38,-16.38,-40.38],[145,39.01,70.13,67.24,71.84,34.76,-15.61,-41.28],[150,38.43,69.36,66.6,71.72,35.14,-14.83,-42.18],[155,37.85,68.58,65.95,71.57,35.53,-14.04,-43.08],[160,37.28,67.78,65.3,71.39,35.92,-13.24,-43.97],[165,36.72,66.97,64.64,71.18,36.31,-12.45,-44.86],[170,36.15,66.15,63.98,70.95,36.71,-11.64,-45.75],[175,35.6,65.31,63.31,70.7,37.12,-10.83,-46.64],[180,35.04,64.47,62.64,70.41,37.52,-10.02,-47.52],[185,34.49,63.61,61.97,70.11,37.93,-9.2,-48.4],[190,33.95,62.75,61.29,69.78,38.34,-8.38,-49.27],[195,33.41,61.88,60.61,69.43,38.76,-7.55,-50.14],[200,32.87,61.01,59.93,69.07,39.18,-6.72,-51.0],[205,32.34,60.13,59.25,68.68,39.6,-5.89,-51.86],[210,31.82,59.25,58.56,68.28,40.03,-5.05,-52.71],[215,31.3,58.36,57.88,67.86,40.45,-4.21,-53.55],[220,30.78,57.47,57.19,67.42,40.88,-3.37,-54.39],[225,30.28,56.57,56.5,66.97,41.31,-2.52,-55.22],[230,29.77,55.68,55.81,66.51,41.75,-1.68,-56.04],[235,29.27,54.78,55.13,66.03,42.19,-0.83,-56.84],[240,28.78,53.87,54.44,65.54,42.63,0.03,-57.64],[245,28.3,52.97,53.75,65.05,43.07,0.88,-58.43],[250,27.82,52.07,53.06,64.54,43.51,1.74,-59.2],[255,27.34,51.16,52.38,64.02,43.95,2.6,-59.96],[260,26.88,50.25,51.69,63.49,44.4,3.46,-60.7],[265,26.42,49.35,51.01,62.96,44.84,4.32,-61.43],[270,25.96,48.44,50.33,62.42,45.29,5.18,-62.14],[275,25.51,47.53,49.65,61.87,45.74,6.04,-62.83],[280,25.07,46.62,48.97,61.32,46.19,6.9,-63.49],[285,24.64,45.72,48.29,60.76,46.63,7.76,-64.14],[290,24.21,44.81,47.61,60.19,47.07,8.63,-64.76],[295,23.79,43.9,46.94,59.62,47.51,9.49,-65.35],[300,23.38,43.0,46.27,59.05,47.95,10.35,-65.92],[305,22.97,42.09,45.6,58.47,48.38,11.22,-66.45],[310,22.57,41.19,44.93,57.89,48.82,12.08,-66.95],[315,22.18,40.29,44.27,57.31,49.26,12.94,-67.42],[320,21.8,39.39,43.61,56.72,49.69,13.8,-67.84],[325,21.42,38.49,42.95,56.13,50.13,14.66,-68.23],[330,21.05,37.59,42.3,55.54,50.56,15.52,-68.58],[335,20.69,36.7,41.64,54.95,50.99,16.37,-68.88],[340,20.34,35.8,41.0,54.36,51.43,17.23,-69.13],[345,20.0,34.91,40.35,53.76,51.85,18.08,-69.33],[350,19.66,34.02,39.71,53.17,52.28,18.93,-69.49],[355,19.34,33.14,39.07,52.57,52.7,19.77,-69.6],[360,19.02,32.25,38.44,51.97,53.12,20.62,-69.65],[365,18.71,31.37,37.81,51.38,53.54,21.46,-69.65],[370,18.4,30.49,37.18,50.78,53.96,22.29,-69.6],[375,18.11,29.62,36.56,50.18,54.37,23.13,-69.5],[380,17.83,28.75,35.94,49.59,54.78,23.96,-69.34],[385,17.55,27.88,35.33,48.99,55.18,24.78,-69.14],[390,17.28,27.01,34.72,48.4,55.58,25.6,-68.89],[395,17.03,26.15,34.12,47.81,55.98,26.42,-68.59],[400,16.78,25.29,33.52,47.21,56.37,27.23,-68.25],[405,16.54,24.44,32.93,46.62,56.75,28.03,-67.86],[410,16.31,23.59,32.34,46.04,57.13,28.83,-67.44],[415,16.09,22.74,31.75,45.45,57.5,29.62,-66.97],[420,15.87,21.9,31.17,44.86,57.87,30.41,-66.47],[425,15.67,21.06,30.6,44.28,58.23,31.19,-65.94],[430,15.48,20.23,30.03,43.7,58.58,31.96,-65.38],[435,15.3,19.4,29.47,43.12,58.93,32.72,-64.79],[440,15.12,18.58,28.92,42.55,59.26,33.47,-64.17],[445,14.96,17.76,28.37,41.97,59.59,34.22,-63.52],[450,14.81,16.95,27.82,41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totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-29-1","kind":"exposure","target_id":"ou4","target_name":"Ou4","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-29T20:25+08:00","end_at":"2026-12-29T22:05+08:00","latest_exposure_start_at":"2026-12-29T21:50+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.89,"maximum_moon_altitude_deg":-30.55,"maximum_sun_altitude_deg":-19.61,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"OIII 优先；必要时可用末段补欠缺的 LRGB。 仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-29-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-29T22:05+08:00","end_at":"2026-12-29T22:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-29-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-29T22:15+08:00","end_at":"2026-12-30T01:00+08:00","latest_exposure_start_at":"2026-12-30T00:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":42.29,"maximum_moon_altitude_deg":-2.13,"maximum_sun_altitude_deg":-39.36,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-29-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-30T01:00+08:00","end_at":"2026-12-30T01:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-29-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-30T01:10+08:00","end_at":"2026-12-30T03:30+08:00","latest_exposure_start_at":"2026-12-30T03:15+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":7,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":40.96,"maximum_moon_altitude_deg":22.93,"maximum_sun_altitude_deg":-62.87,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-29-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-30T03:30+08:00","end_at":"2026-12-30T03:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-29-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-30T03:40+08:00","end_at":"2026-12-30T05:15+08:00","latest_exposure_start_at":"2026-12-30T05:00+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.76,"maximum_moon_altitude_deg":36.95,"maximum_sun_altitude_deg":-45.84,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-29-8","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-30T05:15+08:00","end_at":"2026-12-30T05:40+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-29-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-30T05:40+08:00","end_at":"2026-12-30T07:35+08:00","latest_exposure_start_at":"2026-12-30T07:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":59.29,"maximum_moon_altitude_deg":43.58,"maximum_sun_altitude_deg":-20.69,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-29-10","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-30T07:35+08:00","end_at":"2026-12-30T07:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-29","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-29.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-29.json"},"altitude_plot":{"anchor_at":"2026-12-29T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,56.28,71.93,76.38,64.42,26.04,-44.0,-15.26],[5,55.65,72.61,76.57,64.93,26.27,-43.68,-16.12],[10,55.03,73.27,76.72,65.43,26.51,-43.33,-16.99],[15,54.41,73.89,76.82,65.92,26.75,-42.97,-17.86],[20,53.78,74.47,76.87,66.4,27.0,-42.58,-18.73],[25,53.16,75.01,76.88,66.87,27.25,-42.17,-19.61],[30,52.53,75.5,76.83,67.32,27.51,-41.74,-20.49],[35,51.91,75.94,76.74,67.76,27.78,-41.3,-21.37],[40,51.28,76.32,76.61,68.18,28.05,-40.83,-22.26],[45,50.66,76.64,76.43,68.59,28.33,-40.34,-23.14],[50,50.04,76.89,76.2,68.98,28.62,-39.84,-24.04],[55,49.41,77.07,75.94,69.35,28.91,-39.32,-24.93],[60,48.79,77.18,75.63,69.7,29.2,-38.79,-25.82],[65,48.17,77.2,75.29,70.04,29.51,-38.24,-26.72],[70,47.55,77.16,74.92,70.35,29.81,-37.67,-27.62],[75,46.94,77.03,74.51,70.63,30.13,-37.09,-28.52],[80,46.32,76.83,74.08,70.9,30.45,-36.49,-29.42],[85,45.71,76.56,73.62,71.13,30.77,-35.88,-30.32],[90,45.1,76.23,73.13,71.35,31.1,-35.25,-31.22],[95,44.49,75.83,72.63,71.53,31.44,-34.62,-32.12],[100,43.88,75.38,72.1,71.69,31.78,-33.97,-33.03],[105,43.28,74.88,71.56,71.81,32.12,-33.31,-33.93],[110,42.68,74.32,71.0,71.91,32.47,-32.63,-34.84],[115,42.08,73.73,70.42,71.98,32.83,-31.95,-35.74],[120,41.48,73.1,69.84,72.02,33.19,-31.26,-36.65],[125,40.89,72.44,69.24,72.02,33.55,-30.55,-37.55],[130,40.3,71.75,68.62,72.0,33.92,-29.84,-38.46],[135,39.71,71.03,68.0,71.94,34.3,-29.12,-39.36],[140,39.13,70.29,67.37,71.86,34.68,-28.38,-40.26],[145,38.55,69.53,66.74,71.75,35.06,-27.64,-41.16],[150,37.98,68.75,66.09,71.6,35.44,-26.89,-42.06],[155,37.4,67.95,65.44,71.43,35.83,-26.14,-42.95],[160,36.84,67.15,64.78,71.23,36.23,-25.37,-43.85],[165,36.27,66.32,64.12,71.0,36.63,-24.6,-44.74],[170,35.71,65.49,63.46,70.75,37.03,-23.83,-45.63],[175,35.16,64.65,62.79,70.48,37.43,-23.04,-46.52],[180,34.61,63.8,62.11,70.18,37.84,-22.25,-47.4],[185,34.06,62.94,61.44,69.85,38.25,-21.45,-48.28],[190,33.52,62.07,60.76,69.51,38.67,-20.65,-49.15],[195,32.99,61.2,60.08,69.15,39.09,-19.85,-50.02],[200,32.46,60.32,59.39,68.77,39.51,-19.03,-50.88],[205,31.93,59.44,58.71,68.37,39.93,-18.22,-51.74],[210,31.41,58.55,58.02,67.95,40.36,-17.4,-52.59],[215,30.89,57.66,57.34,67.52,40.79,-16.57,-53.43],[220,30.38,56.76,56.65,67.07,41.22,-15.74,-54.27],[225,29.88,55.87,55.96,66.61,41.66,-14.91,-55.1],[230,29.38,54.97,55.27,66.13,42.09,-14.07,-55.92],[235,28.89,54.07,54.59,65.65,42.53,-13.23,-56.73],[240,28.4,53.16,53.9,65.15,42.97,-12.39,-57.52],[245,27.92,52.26,53.21,64.65,43.41,-11.55,-58.31],[250,27.44,51.35,52.52,64.13,43.86,-10.7,-59.08],[255,26.98,50.45,51.84,63.61,44.3,-9.85,-59.84],[260,26.51,49.54,51.16,63.07,44.75,-9.0,-60.59],[265,26.06,48.63,50.47,62.53,45.2,-8.14,-61.31],[270,25.61,47.72,49.79,61.99,45.64,-7.29,-62.02],[275,25.17,46.82,49.11,61.44,46.09,-6.43,-62.71],[280,24.73,45.91,48.43,60.88,46.54,-5.57,-63.38],[285,24.3,45.0,47.76,60.31,46.98,-4.71,-64.03],[290,23.88,44.1,47.08,59.74,47.42,-3.85,-64.65],[295,23.46,43.19,46.41,59.17,47.85,-2.99,-65.25],[300,23.06,42.29,45.74,58.6,48.29,-2.13,-65.81],[305,22.66,41.38,45.08,58.02,48.73,-1.26,-66.35],[310,22.26,40.48,44.41,57.43,49.17,-0.4,-66.85],[315,21.88,39.58,43.75,56.85,49.6,0.46,-67.32],[320,21.5,38.68,43.09,56.26,50.04,1.32,-67.75],[325,21.13,37.78,42.44,55.67,50.47,2.18,-68.14],[330,20.77,36.89,41.78,55.08,50.9,3.05,-68.49],[335,20.42,35.99,41.13,54.48,51.33,3.91,-68.79],[340,20.07,35.1,40.49,53.89,51.76,4.76,-69.05],[345,19.73,34.21,39.85,53.29,52.19,5.62,-69.26],[350,19.4,33.33,39.21,52.7,52.61,6.48,-69.42],[355,19.08,32.44,38.57,52.1,53.04,7.33,-69.53],[360,18.77,31.56,37.94,51.5,53.45,8.18,-69.59],[365,18.47,30.68,37.32,50.91,53.87,9.04,-69.59],[370,18.17,29.81,36.69,50.31,54.28,9.88,-69.55],[375,17.89,28.93,36.07,49.72,54.69,10.73,-69.45],[380,17.61,28.06,35.46,49.12,55.1,11.57,-69.3],[385,17.34,27.2,34.85,48.53,55.5,12.41,-69.1],[390,17.08,26.34,34.25,47.93,55.89,13.25,-68.86],[395,16.83,25.48,33.65,47.34,56.28,14.08,-68.57],[400,16.59,24.62,33.05,46.75,56.67,14.91,-68.23],[405,16.36,23.77,32.46,46.16,57.05,15.73,-67.85],[410,16.13,22.92,31.88,45.57,57.42,16.55,-67.43],[415,15.92,22.08,31.3,44.99,57.79,17.37,-66.97],[420,15.71,21.24,30.72,44.4,58.15,18.18,-66.47],[425,15.52,20.41,30.15,43.82,58.51,18.99,-65.94],[430,15.33,19.58,29.59,43.24,58.85,19.79,-65.38],[435,15.16,18.75,29.03,42.67,59.19,20.58,-64.8],[440,14.99,17.93,28.48,42.09,59.52,21.37,-64.18],[445,14.84,17.12,27.94,41.52,59.85,22.15,-63.54],[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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-30-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-30T22:00+08:00","end_at":"2026-12-30T22:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-30-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-30T22:10+08:00","end_at":"2026-12-31T01:00+08:00","latest_exposure_start_at":"2026-12-31T00:55+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.58,"maximum_moon_altitude_deg":-14.13,"maximum_sun_altitude_deg":-38.33,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-30-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2026-12-31T01:00+08:00","end_at":"2026-12-31T01:10+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-30-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2026-12-31T01:10+08:00","end_at":"2026-12-31T02:10+08:00","latest_exposure_start_at":"2026-12-31T01:55+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.84,"maximum_moon_altitude_deg":-2.1,"maximum_sun_altitude_deg":-66.75,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-30-6","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2026-12-31T02:10+08:00","end_at":"2026-12-31T02:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-30-7","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"SII","filters":["SII"],"start_at":"2026-12-31T02:15+08:00","end_at":"2026-12-31T03:25+08:00","latest_exposure_start_at":"2026-12-31T03:10+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.08,"maximum_moon_altitude_deg":10.4,"maximum_sun_altitude_deg":-63.55,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"延续现有SII补片优先；若Hα更缺可切Hα，单张仍为900秒。"},{"id":"2026-12-30-8","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2026-12-31T03:25+08:00","end_at":"2026-12-31T03:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-30-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-31T03:35+08:00","end_at":"2026-12-31T05:10+08:00","latest_exposure_start_at":"2026-12-31T04:55+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.7,"maximum_moon_altitude_deg":25.72,"maximum_sun_altitude_deg":-46.76,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-30-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2026-12-31T05:10+08:00","end_at":"2026-12-31T05:35+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-30-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2026-12-31T05:35+08:00","end_at":"2026-12-31T07:35+08:00","latest_exposure_start_at":"2026-12-31T07:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":6,"exposure_hours":1.5,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":59.03,"maximum_moon_altitude_deg":37.12,"maximum_sun_altitude_deg":-20.73,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-30-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2026-12-31T07:35+08:00","end_at":"2026-12-31T07:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-30","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-30.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-30.json"},"altitude_plot":{"anchor_at":"2026-12-30T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,55.79,72.47,76.53,64.82,26.22,-52.09,-15.13],[5,55.16,73.13,76.69,65.33,26.46,-51.96,-15.99],[10,54.54,73.76,76.8,65.82,26.7,-51.81,-16.86],[15,53.92,74.35,76.86,66.3,26.94,-51.64,-17.73],[20,53.29,74.9,76.88,66.77,27.2,-51.43,-18.61],[25,52.67,75.4,76.85,67.22,27.46,-51.19,-19.48],[30,52.04,75.85,76.77,67.67,27.72,-50.93,-20.36],[35,51.42,76.25,76.64,68.09,27.99,-50.65,-21.25],[40,50.79,76.58,76.47,68.5,28.27,-50.33,-22.13],[45,50.17,76.84,76.25,68.9,28.55,-50.0,-23.02],[50,49.55,77.04,76.0,69.27,28.84,-49.63,-23.91],[55,48.93,77.16,75.7,69.63,29.14,-49.25,-24.8],[60,48.31,77.2,75.37,69.97,29.44,-48.84,-25.7],[65,47.69,77.17,75.0,70.28,29.75,-48.41,-26.59],[70,47.07,77.06,74.6,70.57,30.06,-47.95,-27.49],[75,46.45,76.88,74.17,70.84,30.38,-47.48,-28.39],[80,45.84,76.63,73.72,71.09,30.7,-46.99,-29.29],[85,45.23,76.31,73.24,71.3,31.03,-46.47,-30.19],[90,44.62,75.92,72.74,71.49,31.37,-45.94,-31.09],[95,44.01,75.48,72.22,71.65,31.71,-45.39,-32.0],[100,43.41,74.99,71.68,71.79,32.05,-44.82,-32.9],[105,42.8,74.45,71.12,71.89,32.4,-44.24,-33.81],[110,42.2,73.86,70.55,71.97,32.75,-43.64,-34.71],[115,41.61,73.24,69.96,72.01,33.11,-43.02,-35.62],[120,41.01,72.58,69.36,72.02,33.48,-42.4,-36.52],[125,40.42,71.9,68.76,72.01,33.84,-41.75,-37.43],[130,39.84,71.19,68.14,71.96,34.22,-41.1,-38.33],[135,39.25,70.45,67.51,71.88,34.59,-40.43,-39.23],[140,38.67,69.69,66.87,71.77,34.98,-39.75,-40.13],[145,38.1,68.92,66.23,71.63,35.36,-39.05,-41.03],[150,37.53,68.13,65.58,71.47,35.75,-38.35,-41.93],[155,36.96,67.32,64.92,71.28,36.14,-37.63,-42.83],[160,36.39,66.5,64.26,71.05,36.54,-36.91,-43.72],[165,35.83,65.67,63.6,70.81,36.94,-36.18,-44.61],[170,35.28,64.83,62.93,70.54,37.35,-35.43,-45.5],[175,34.73,63.98,62.26,70.24,37.76,-34.68,-46.39],[180,34.18,63.12,61.58,69.92,38.17,-33.92,-47.27],[185,33.64,62.26,60.9,69.59,38.58,-33.16,-48.15],[190,33.1,61.38,60.22,69.23,39.0,-32.38,-49.02],[195,32.57,60.51,59.54,68.85,39.42,-31.6,-49.89],[200,32.04,59.63,58.85,68.45,39.84,-30.81,-50.76],[205,31.52,58.74,58.17,68.04,40.27,-30.02,-51.61],[210,31.0,57.85,57.48,67.61,40.7,-29.22,-52.46],[215,30.49,56.96,56.8,67.17,41.13,-28.41,-53.31],[220,29.99,56.06,56.11,66.71,41.56,-27.6,-54.15],[225,29.49,55.16,55.42,66.24,42.0,-26.78,-54.97],[230,28.99,54.26,54.73,65.75,42.44,-25.96,-55.79],[235,28.5,53.36,54.04,65.26,42.88,-25.14,-56.6],[240,28.02,52.45,53.36,64.76,43.32,-24.31,-57.4],[245,27.54,51.55,52.67,64.24,43.76,-23.48,-58.19],[250,27.07,50.64,51.99,63.72,44.21,-22.64,-58.96],[255,26.61,49.73,51.3,63.19,44.65,-21.8,-59.72],[260,26.15,48.83,50.62,62.65,45.1,-20.96,-60.47],[265,25.7,47.92,49.94,62.11,45.55,-20.11,-61.19],[270,25.26,47.01,49.26,61.55,46.0,-19.26,-61.91],[275,24.82,46.1,48.58,61.0,46.45,-18.41,-62.6],[280,24.39,45.2,47.9,60.43,46.88,-17.56,-63.27],[285,23.97,44.29,47.23,59.87,47.32,-16.71,-63.92],[290,23.55,43.38,46.55,59.29,47.76,-15.85,-64.54],[295,23.14,42.48,45.88,58.72,48.2,-14.99,-65.14],[300,22.74,41.58,45.22,58.14,48.64,-14.13,-65.7],[305,22.35,40.67,44.55,57.56,49.07,-13.28,-66.24],[310,21.96,39.77,43.89,56.97,49.51,-12.41,-66.75],[315,21.58,38.87,43.23,56.38,49.94,-11.55,-67.22],[320,21.21,37.97,42.57,55.79,50.38,-10.69,-67.65],[325,20.85,37.08,41.92,55.2,50.81,-9.83,-68.04],[330,20.49,36.18,41.27,54.61,51.24,-8.97,-68.39],[335,20.14,35.29,40.63,54.02,51.67,-8.11,-68.7],[340,19.8,34.4,39.98,53.42,52.1,-7.25,-68.96],[345,19.47,33.52,39.34,52.82,52.52,-6.39,-69.18],[350,19.15,32.63,38.71,52.23,52.95,-5.53,-69.34],[355,18.84,31.75,38.08,51.63,53.36,-4.67,-69.46],[360,18.53,30.87,37.45,51.03,53.78,-3.81,-69.52],[365,18.23,29.99,36.83,50.44,54.19,-2.95,-69.53],[370,17.95,29.12,36.21,49.84,54.6,-2.1,-69.49],[375,17.67,28.25,35.59,49.25,55.01,-1.25,-69.4],[380,17.4,27.38,34.98,48.65,55.41,-0.39,-69.25],[385,17.13,26.52,34.38,48.06,55.81,0.45,-69.06],[390,16.88,25.66,33.78,47.47,56.2,1.3,-68.82],[395,16.64,24.8,33.18,46.88,56.59,2.15,-68.53],[400,16.4,23.95,32.59,46.29,56.97,2.99,-68.2],[405,16.18,23.1,32.0,45.7,57.34,3.83,-67.82],[410,15.96,22.26,31.42,45.11,57.71,4.66,-67.41],[415,15.76,21.42,30.85,44.53,58.07,5.49,-66.95],[420,15.56,20.59,30.28,43.95,58.43,6.32,-66.46],[425,15.37,19.75,29.71,43.37,58.78,7.15,-65.94],[430,15.2,18.93,29.15,42.79,59.12,7.97,-65.38],[435,15.03,18.11,28.6,42.22,59.45,8.78,-64.8],[440,14.87,17.29,28.05,41.65,59.78,9.59,-64.19],[445,14.72,16.48,27.51,41.08,60.09,10.4,-63.55],[450,14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仅拍该通道欠量；达标后提前进入后续目标，不能把无月时段自动换成未受月光限制的通道。"},{"id":"2026-12-31-2","kind":"overhead","target_id":null,"target_name":"转场 / 等待 M33 无月窗","channel_mode":"—","filters":[],"start_at":"2026-12-31T21:55+08:00","end_at":"2026-12-31T22:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"约10分钟转场，较短余量用于定位与等待，不挤占Ou4。"},{"id":"2026-12-31-3","kind":"exposure","target_id":"m33","target_name":"M33 三角座星系","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2026-12-31T22:05+08:00","end_at":"2027-01-01T00:55+08:00","latest_exposure_start_at":"2027-01-01T00:50+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":28,"exposure_hours":2.333333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":41.77,"maximum_moon_altitude_deg":-26.53,"maximum_sun_altitude_deg":-37.29,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"近期首选宽带。LRGB单张300秒，按L15h、R/G/B各5h初始目标补欠量；本段全程无月。"},{"id":"2026-12-31-4","kind":"overhead","target_id":null,"target_name":"转场至心脏","channel_mode":"—","filters":[],"start_at":"2027-01-01T00:55+08:00","end_at":"2027-01-01T01:05+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"暂按10分钟预算，实际延迟只减少张数。"},{"id":"2026-12-31-5","kind":"exposure","target_id":"ic1805","target_name":"心脏 IC1805","channel_mode":"OIII","filters":["OIII"],"start_at":"2027-01-01T01:05+08:00","end_at":"2027-01-01T02:05+08:00","latest_exposure_start_at":"2027-01-01T01:50+08:00","exposure_seconds":900,"requires_moonless":true,"capacity":{"total_frames":3,"exposure_hours":0.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":49.97,"maximum_moon_altitude_deg":-14.51,"maximum_sun_altitude_deg":-66.13,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"无月优先补OIII；若该目标O已够，改补欠缺LRGB；都已够可继续SII。"},{"id":"2026-12-31-6","kind":"overhead","target_id":null,"target_name":"转场至 M81＋M82","channel_mode":"—","filters":[],"start_at":"2027-01-01T02:05+08:00","end_at":"2027-01-01T02:15+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"沿用同一星系构图，后续有月时仅切Hα。"},{"id":"2026-12-31-7","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"LRGB","filters":["L","R","G","B"],"start_at":"2027-01-01T02:15+08:00","end_at":"2027-01-01T03:15+08:00","latest_exposure_start_at":"2027-01-01T03:10+08:00","exposure_seconds":300,"requires_moonless":true,"capacity":{"total_frames":10,"exposure_hours":0.833333,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":55.32,"maximum_moon_altitude_deg":-2.64,"maximum_sun_altitude_deg":-64.79,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"LRGB 按 L,L,L,R,G,B 循环，均为 300 秒；初始目标 L15h、R/G/B各5h。"},{"id":"2026-12-31-8","kind":"overhead","target_id":null,"target_name":"准备 / 切换 / 不足整张","channel_mode":"—","filters":[],"start_at":"2027-01-01T03:15+08:00","end_at":"2027-01-01T03:20+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"不计有效曝光；可用于滤镜切换、对焦及导星稳定，不能启动会越界的新曝光。"},{"id":"2026-12-31-9","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2027-01-01T03:20+08:00","end_at":"2027-01-01T05:05+08:00","latest_exposure_start_at":"2027-01-01T04:50+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":5,"exposure_hours":1.25,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":60.03,"maximum_moon_altitude_deg":14.4,"maximum_sun_altitude_deg":-47.68,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-31-10","kind":"overhead","target_id":null,"target_name":"翻转预算（尚未验收）","channel_mode":"—","filters":[],"start_at":"2027-01-01T05:05+08:00","end_at":"2027-01-01T05:30+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"远程台报告自动翻转未验收；预算不是授权或通过验证，未经本机验收不得自动跨越中天并恢复曝光。"},{"id":"2026-12-31-11","kind":"exposure","target_id":"m81m82","target_name":"M81＋M82","channel_mode":"Hα","filters":["Hα"],"start_at":"2027-01-01T05:30+08:00","end_at":"2027-01-01T07:35+08:00","latest_exposure_start_at":"2027-01-01T07:20+08:00","exposure_seconds":900,"requires_moonless":false,"capacity":{"total_frames":7,"exposure_hours":1.75,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":58.76,"maximum_moon_altitude_deg":29.81,"maximum_sun_altitude_deg":-20.76,"requires_meridian_flip_validation":true,"execution_condition":"requires_local_meridian_flip_validation","note":"【条件窗口：需完成本机子午线翻转验收后才能使用】同一构图拍 M82 的 Hα 外流，900秒；先积累12–20h检查，余量可继续加深，不拍星系SII。"},{"id":"2026-12-31-12","kind":"overhead","target_id":null,"target_name":"晨光平场准备","channel_mode":"—","filters":[],"start_at":"2027-01-01T07:35+08:00","end_at":"2027-01-01T07:50+08:00","latest_exposure_start_at":null,"exposure_seconds":0,"requires_moonless":false,"capacity":{"total_frames":0,"exposure_hours":0,"basis":"85% within-block efficiency; weather excluded; filter-group totals"},"minimum_target_altitude_deg":null,"maximum_moon_altitude_deg":null,"maximum_sun_altitude_deg":null,"requires_meridian_flip_validation":false,"execution_condition":"requires_live_site_checks","note":"科学曝光提前约15分钟结束；平场在实测亮度合适时启动，不计入目标积分。"}],"links":{"html":"https://qitai-sky-calendar.pages.dev/?date=2026-12-31","markdown":"https://qitai-sky-calendar.pages.dev/nights/2026-12-31.md","json":"https://qitai-sky-calendar.pages.dev/data/nights/2026-12-31.json"},"altitude_plot":{"anchor_at":"2026-12-31T20:00:00+08:00","step_minutes":5,"columns":["minute","ou4","m33","ngc281","ic1805","m81m82_min","moon","sun"],"points":[[0,55.3,72.99,76.66,65.22,26.41,-57.71,-15.0],[5,54.67,73.63,76.78,65.71,26.65,-57.86,-15.86],[10,54.05,74.23,76.85,66.2,26.89,-57.98,-16.73],[15,53.43,74.78,76.88,66.67,27.14,-58.07,-17.6],[20,52.8,75.3,76.86,67.13,27.4,-58.12,-18.48],[25,52.18,75.76,76.79,67.57,27.66,-58.14,-19.35],[30,51.55,76.17,76.67,68.0,27.93,-58.13,-20.23],[35,50.93,76.51,76.51,68.42,28.21,-58.08,-21.12],[40,50.3,76.79,76.3,68.82,28.49,-58.0,-22.0],[45,49.68,77.0,76.06,69.2,28.78,-57.88,-22.89],[50,49.06,77.14,75.77,69.56,29.08,-57.74,-23.78],[55,48.44,77.2,75.44,69.9,29.38,-57.56,-24.67],[60,47.82,77.19,75.08,70.22,29.68,-57.35,-25.57],[65,47.2,77.09,74.69,70.51,29.99,-57.1,-26.46],[70,46.58,76.93,74.27,70.79,30.31,-56.83,-27.36],[75,45.97,76.69,73.82,71.04,30.63,-56.53,-28.26],[80,45.36,76.38,73.34,71.26,30.96,-56.2,-29.16],[85,44.75,76.01,72.85,71.45,31.29,-55.84,-30.06],[90,44.14,75.58,72.33,71.62,31.63,-55.45,-30.96],[95,43.53,75.1,71.79,71.76,31.98,-55.04,-31.87],[100,42.93,74.56,71.24,71.87,32.32,-54.61,-32.77],[105,42.33,73.99,70.67,71.95,32.68,-54.15,-33.68],[110,41.74,73.38,70.09,72.0,33.04,-53.66,-34.58],[115,41.14,72.73,69.49,72.02,33.4,-53.16,-35.49],[120,40.55,72.05,68.89,72.01,33.77,-52.63,-36.39],[125,39.96,71.34,68.27,71.97,34.14,-52.08,-37.29],[130,39.38,70.61,67.64,71.9,34.51,-51.52,-38.2],[135,38.8,69.86,67.01,71.8,34.89,-50.93,-39.1],[140,38.22,69.08,66.37,71.67,35.28,-50.33,-40.0],[145,37.65,68.3,65.72,71.51,35.67,-49.71,-40.9],[150,37.08,67.49,65.07,71.32,36.06,-49.08,-41.8],[155,36.51,66.68,64.41,71.1,36.46,-48.43,-42.7],[160,35.95,65.85,63.74,70.86,36.86,-47.76,-43.59],[165,35.4,65.01,63.07,70.6,37.26,-47.08,-44.48],[170,34.84,64.16,62.4,70.31,37.67,-46.39,-45.37],[175,34.3,63.3,61.73,69.99,38.08,-45.69,-46.26],[180,33.75,62.44,61.05,69.66,38.49,-44.98,-47.14],[185,33.22,61.57,60.37,69.3,38.91,-44.25,-48.02],[190,32.68,60.7,59.68,68.93,39.33,-43.52,-48.89],[195,32.15,59.81,59.0,68.54,39.75,-42.77,-49.76],[200,31.63,58.93,58.32,68.13,40.18,-42.02,-50.63],[205,31.11,58.04,57.63,67.7,40.61,-41.26,-51.48],[210,30.6,57.15,56.94,67.26,41.04,-40.49,-52.33],[215,30.09,56.25,56.25,66.81,41.47,-39.71,-53.18],[220,29.59,55.35,55.57,66.34,41.91,-38.92,-54.02],[225,29.1,54.45,54.88,65.86,42.34,-38.13,-54.84],[230,28.61,53.55,54.19,65.37,42.78,-37.33,-55.66],[235,28.12,52.65,53.5,64.86,43.22,-36.53,-56.47],[240,27.65,51.74,52.82,64.35,43.67,-35.72,-57.27],[245,27.17,50.83,52.13,63.83,44.11,-34.9,-58.06],[250,26.71,49.93,51.45,63.3,44.56,-34.08,-58.83],[255,26.25,49.02,50.76,62.77,45.0,-33.26,-59.59],[260,25.8,48.11,50.08,62.22,45.45,-32.43,-60.34],[265,25.35,47.2,49.4,61.67,45.9,-31.6,-61.07],[270,24.91,46.3,48.72,61.12,46.35,-30.76,-61.78],[275,24.48,45.39,48.05,60.55,46.79,-29.92,-62.47],[280,24.06,44.48,47.37,59.99,47.23,-29.08,-63.14],[285,23.64,43.58,46.7,59.42,47.67,-28.23,-63.79],[290,23.23,42.67,46.03,58.84,48.1,-27.38,-64.42],[295,22.83,41.77,45.36,58.26,48.54,-26.53,-65.02],[300,22.43,40.87,44.69,57.68,48.98,-25.68,-65.59],[305,22.04,39.96,44.03,57.1,49.42,-24.83,-66.13],[310,21.66,39.06,43.37,56.51,49.85,-23.97,-66.63],[315,21.29,38.17,42.71,55.92,50.28,-23.11,-67.11],[320,20.92,37.27,42.06,55.33,50.72,-22.25,-67.54],[325,20.57,36.37,41.41,54.74,51.15,-21.39,-67.94],[330,20.22,35.48,40.76,54.14,51.58,-20.53,-68.29],[335,19.88,34.59,40.12,53.55,52.01,-19.67,-68.6],[340,19.54,33.7,39.48,52.95,52.43,-18.81,-68.87],[345,19.22,32.82,38.84,52.36,52.86,-17.95,-69.09],[350,18.9,31.94,38.21,51.76,53.28,-17.09,-69.26],[355,18.6,31.06,37.58,51.16,53.69,-16.23,-69.37],[360,18.3,30.18,36.96,50.57,54.11,-15.37,-69.44],[365,18.01,29.31,36.34,49.97,54.52,-14.51,-69.46],[370,17.73,28.44,35.72,49.37,54.92,-13.65,-69.42],[375,17.45,27.57,35.11,48.78,55.32,-12.79,-69.34],[380,17.19,26.7,34.5,48.19,55.72,-11.94,-69.2],[385,16.93,25.84,33.9,47.59,56.12,-11.08,-69.01],[390,16.69,24.99,33.31,47.0,56.5,-10.23,-68.77],[395,16.45,24.13,32.71,46.41,56.89,-9.37,-68.49],[400,16.23,23.28,32.13,45.82,57.26,-8.52,-68.16],[405,16.01,22.44,31.54,45.24,57.63,-7.68,-67.79],[410,15.8,21.6,30.97,44.65,58.0,-6.83,-67.38],[415,15.6,20.76,30.4,44.07,58.36,-5.99,-66.93],[420,15.41,19.93,29.83,43.49,58.71,-5.15,-66.45],[425,15.23,19.1,29.27,42.91,59.05,-4.31,-65.92],[430,15.06,18.28,28.72,42.34,59.38,-3.47,-65.37],[435,14.9,17.47,28.17,41.77,59.71,-2.64,-64.79],[440,14.75,16.65,27.63,41.2,60.03,-1.81,-64.18],[445,14.61,15.85,27.09,40.63,60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