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Rozhen Night Plan

Up to ten targets, one night: each gets its good/marginal/poor windows (darkness × altitude × Moon × clouds, as on the single-target page), then the night is handed out five minutes at a time to whichever target is best — with hysteresis, so you get a few solid blocks of at least 30 minutes, not a flicker. Targets that never win a block are listed with the reason.

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Night of Sunday, 06 January 2036 · astronomical night 18:44 → 06:08 (11.39 h) · Moon 52% (first quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:15: quality 0.1M31 18:15–18:45: quality 0.3M31 18:45–22:10: quality 0.7M31 22:10–23:55: quality 0.6M31 23:55–00:15: quality 0.5M31 00:15–00:45: quality 0.4observe M31 21:05–22:30M42M42 19:10–19:20: quality 0.3M42 19:20–19:40: quality 0.4M42 19:40–20:00: quality 0.5M42 20:00–21:00: quality 0.6M42 21:00–00:40: quality 0.7M42 00:40–01:50: quality 0.8M42 01:50–02:05: quality 0.7M42 02:05–02:20: quality 0.6M42 02:20–02:35: quality 0.5M42 02:35–02:45: quality 0.4observe M42 00:45–02:45M45M45 17:40–18:15: quality 0.1M45 18:15–18:45: quality 0.3M45 18:45–22:45: quality 0.7M45 22:45–23:35: quality 0.8M45 23:35–00:40: quality 0.7M45 00:40–01:10: quality 0.9M45 01:10–01:55: quality 0.8M45 01:55–02:10: quality 0.7M45 02:10–02:25: quality 0.6M45 02:25–02:35: quality 0.5M45 02:35–02:45: quality 0.4observe M45 22:30–23:55NGC 7000NGC 7000 17:40–18:15: quality 0.1NGC 7000 18:15–18:45: quality 0.3NGC 7000 18:45–19:15: quality 0.7NGC 7000 19:15–20:20: quality 0.6NGC 7000 20:20–20:40: quality 0.5NGC 7000 20:40–21:05: quality 0.4NGC 7000 21:05–21:15: quality 0.3observe NGC 7000 18:15–19:40V1057 CygV1057 Cyg 17:40–18:15: quality 0.1V1057 Cyg 18:15–18:45: quality 0.3V1057 Cyg 18:45–19:15: quality 0.7V1057 Cyg 19:15–20:20: quality 0.6V1057 Cyg 20:20–20:40: quality 0.5V1057 Cyg 20:40–21:05: quality 0.4V1057 Cyg 21:05–21:15: quality 0.3observe V1057 Cyg 19:40–21:05M33M33 17:40–18:15: quality 0.1M33 18:15–18:45: quality 0.3M33 18:45–20:15: quality 0.6M33 20:15–22:15: quality 0.7M33 22:15–00:10: quality 0.6M33 00:10–00:30: quality 0.5M33 00:30–00:40: quality 0.4M33 00:40–00:45: quality 0.5M33 00:45–00:55: quality 0.4observe M33 23:55–00:45scheduleNGC 7000V1057 CygM31M45M33M4218:0020:0022:0000:0002:0004:0006:00

Each row is the target's quality through the night, white → amber → green for 0 → 0.3 → 0.6 → 1 (the same thresholds as poor / marginal / good). Dark blue: the schedule. Grey columns: twilight.  Download: schedule CSV · targets CSV · JSON

Schedule

localtargethoursmean quality
17:05–18:15 — nothing worth pointing at — 1.17
18:15–19:40 NGC 7000 1.42 0.54
19:40–21:05 V1057 Cyg 1.42 0.52
21:05–22:30 M31 1.42 0.66
22:30–23:55 M45 1.42 0.75
23:55–00:45 M33 0.83 0.51
00:45–02:45 M42 2.0 0.7
02:45–07:50 — nothing worth pointing at — 5.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 68 unknown 18:45–23:45 (good) 89.5° at 18:00 38.5° 1.42
M42 Great Orion Nebula 85 unknown 20:10–02:15 (good) 42.9° at 22:55 65.8° 2.0
M45 Seven Sisters 88 unknown 18:45–02:15 (good) 72.5° at 21:05 42.1° 1.42
NGC 7000 North America Nebula 27 unknown 18:45–20:10 (good) 87.2° at 14:20 69.1° 1.42
V1057 Cyg 27 unknown 18:45–20:10 (good) 87.3° at 14:20 69.1° 1.42
M33 Triangulum Pinwheel 67 unknown 18:45–00:00 (good) 79.1° at 18:55 27.6° 0.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2036-01-06"

targets: names or RA Dec, separated by commas, semicolons or newlines, at most ten. The response carries targets[] (score, verdict, best_window, windows, transit, moon_separation), schedule[] (blocks with target, start/end in UTC and local, hours, mean_quality; target: null is idle time), unscheduled[] with a why, forecast_source, warnings[]. Missing targets → 400 {"error", "code": "targets_missing"}; an unreadable date → 400 {"error", "code": "invalid_date"}.