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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, 28 December 2036 · astronomical night 18:38 → 06:07 (11.48 h) · Moon 79% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:35: quality 0.3M31 18:35–18:40: quality 0.2M31 18:40–22:55: quality 0.5M31 22:55–00:45: quality 0.4M31 00:45–01:15: quality 0.3observe M31 21:15–22:50M42M42 19:40–20:00: quality 0.2M42 20:00–20:30: quality 0.3M42 20:30–22:35: quality 0.4M42 22:35–02:35: quality 0.5M42 02:35–03:00: quality 0.4M42 03:00–03:15: quality 0.3observe M42 00:25–02:00observe M42 03:10–03:15M45M45 17:30–18:05: quality 0.1M45 18:05–18:40: quality 0.2M45 18:40–22:50: quality 0.4M45 22:50–02:35: quality 0.5M45 02:35–03:00: quality 0.4M45 03:00–03:15: quality 0.3observe M45 02:00–03:10NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:40: quality 0.3NGC 7000 18:40–20:30: quality 0.6NGC 7000 20:30–21:00: quality 0.5NGC 7000 21:00–21:25: quality 0.4NGC 7000 21:25–21:45: quality 0.3observe NGC 7000 19:40–21:15V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:40: quality 0.3V1057 Cyg 18:40–20:30: quality 0.6V1057 Cyg 20:30–21:00: quality 0.5V1057 Cyg 21:00–21:25: quality 0.4V1057 Cyg 21:25–21:45: quality 0.3observe V1057 Cyg 18:05–19:40M33M33 17:30–18:05: quality 0.1M33 18:05–18:40: quality 0.2M33 18:40–00:50: quality 0.4M33 00:50–01:20: quality 0.3M33 01:20–01:25: quality 0.2observe M33 22:50–00:25scheduleV1057 CygNGC 7000M31M33M42M4518:0020:0022:0000:0002:0004:0006:00

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
16:55–18:05 — nothing worth pointing at — 1.17
18:05–19:40 V1057 Cyg 1.58 0.51
19:40–21:15 NGC 7000 1.58 0.53
21:15–22:50 M31 1.58 0.46
22:50–00:25 M33 1.58 0.42
00:25–02:00 M42 1.58 0.52
02:00–03:10 M45 1.17 0.43
03:10–03:15 M42 0.08 0.3
03:15–07:50 — nothing worth pointing at — 4.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 39 unknown 18:40–01:00 (marginal) 89.8° at 18:35 41.3° 1.58
M42 Great Orion Nebula 44 unknown 20:15–03:15 (marginal) 42.9° at 23:25 44.0° 1.67
M45 Seven Sisters 49 unknown 18:40–03:10 (marginal) 72.5° at 21:40 18.6° 1.17
NGC 7000 North America Nebula 30 unknown 18:40–19:25 (good) 87.2° at 14:50 81.0° 1.58
V1057 Cyg 30 unknown 18:40–19:25 (good) 87.3° at 14:50 81.0° 1.58
M33 Triangulum Pinwheel 32 unknown 18:40–01:05 (marginal) 79.2° at 19:25 26.6° 1.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2036-12-28"

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"}.