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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 Monday, 01 December 2036 · astronomical night 18:30 → 05:50 (11.34 h) · Moon 96% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:30: quality 0.3M31 18:30–18:35: quality 0.2M31 18:35–19:30: quality 0.5M31 19:30–00:10: quality 0.4M31 00:10–01:35: quality 0.3M31 01:35–02:00: quality 0.4M31 02:00–02:40: quality 0.3M31 02:40–03:05: quality 0.2observe M31 21:40–23:45M42M42 21:25–21:30: quality 0.1M42 21:30–22:20: quality 0.2M42 22:20–01:20: quality 0.3M42 01:20–04:30: quality 0.4M42 04:30–05:00: quality 0.3M42 05:00–05:05: quality 0.2observe M42 23:45–01:35observe M42 04:40–04:45M45M45 18:00–18:30: quality 0.1M45 18:30–18:35: quality 0.2M45 18:35–01:55: quality 0.3M45 01:55–04:25: quality 0.4M45 04:25–04:55: quality 0.3M45 04:55–05:05: quality 0.2observe M45 01:35–02:05observe M45 02:20–04:40NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.4NGC 7000 18:35–19:45: quality 0.7NGC 7000 19:45–21:20: quality 0.6NGC 7000 21:20–22:35: quality 0.5NGC 7000 22:35–23:05: quality 0.4NGC 7000 23:05–23:30: quality 0.3observe NGC 7000 19:50–21:40V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.4V1057 Cyg 18:35–19:45: quality 0.7V1057 Cyg 19:45–21:20: quality 0.6V1057 Cyg 21:20–22:35: quality 0.5V1057 Cyg 22:35–23:05: quality 0.4V1057 Cyg 23:05–23:30: quality 0.3observe V1057 Cyg 18:00–19:50M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–20:00: quality 0.4M33 20:00–02:45: quality 0.3M33 02:45–03:15: quality 0.2observe M33 02:05–02:20scheduleV1057 CygNGC 7000M31M42M4518:0020:0022:0000:0002:0004:0006:00

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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–19:50 V1057 Cyg 1.83 0.58
19:50–21:40 NGC 7000 1.83 0.58
21:40–23:45 M31 2.08 0.36
23:45–01:35 M42 1.83 0.33
01:35–02:05 M45 0.5 0.35
02:05–02:20 M33 0.25 0.3
02:20–04:40 M45 2.33 0.38
04:40–04:45 M42 0.08 0.31
04:45–07:30 — nothing worth pointing at — 2.75

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 42 unknown 18:35–02:20 (marginal) 89.7° at 20:20 43.3° 2.08
M42 Great Orion Nebula 27 unknown 23:45–04:45 (marginal) 42.9° at 01:15 39.9° 1.92
M45 Seven Sisters 35 unknown 00:20–04:40 (marginal) 72.5° at 23:25 14.0° 2.83
NGC 7000 North America Nebula 52 unknown 18:35–20:30 (good) 87.2° at 16:35 83.5° 1.83
V1057 Cyg 52 unknown 18:35–20:30 (good) 87.3° at 16:35 83.5° 1.83
M33 Triangulum Pinwheel 29 unknown 18:35–21:20 (marginal) 79.1° at 21:10 28.9° 0.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2036-12-01"

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"}.