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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 Saturday, 28 August 2032 · astronomical night 21:39 → 05:04 (7.42 h) · Moon 39% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 21:00–21:05: quality 0.1M31 21:05–21:15: quality 0.2M31 21:15–21:40: quality 0.3M31 21:40–21:55: quality 0.7M31 21:55–22:50: quality 0.8M31 22:50–00:15: quality 0.9M31 00:15–01:00: quality 1.0M31 01:00–02:55: quality 0.9M31 02:55–05:05: quality 0.8M31 05:05–05:45: quality 0.4M31 05:45–06:20: quality 0.1observe M31 00:05–01:35observe M31 05:05–05:45M42M42 04:40–04:50: quality 0.3M42 04:50–05:05: quality 0.4M42 05:05–05:25: quality 0.2M42 05:25–05:45: quality 0.3M42 05:45–06:20: quality 0.1observe M42 04:40–05:05M45M45 01:05–01:25: quality 0.4M45 01:25–01:40: quality 0.5M45 01:40–02:00: quality 0.6M45 02:00–05:05: quality 0.7M45 05:05–05:45: quality 0.4M45 05:45–06:20: quality 0.1observe M45 03:05–04:40NGC 7000NGC 7000 20:30–21:05: quality 0.1NGC 7000 21:05–21:40: quality 0.5NGC 7000 21:40–01:00: quality 1.0NGC 7000 01:00–03:35: quality 0.9NGC 7000 03:35–05:05: quality 0.8NGC 7000 05:05–05:40: quality 0.4NGC 7000 05:40–05:45: quality 0.3NGC 7000 05:45–06:20: quality 0.1observe NGC 7000 21:05–22:35V1057 CygV1057 Cyg 20:30–21:05: quality 0.1V1057 Cyg 21:05–21:40: quality 0.5V1057 Cyg 21:40–01:00: quality 1.0V1057 Cyg 01:00–03:35: quality 0.9V1057 Cyg 03:35–05:05: quality 0.8V1057 Cyg 05:05–05:40: quality 0.4V1057 Cyg 05:40–05:45: quality 0.3V1057 Cyg 05:45–06:20: quality 0.1observe V1057 Cyg 22:35–00:05M33M33 22:30–22:35: quality 0.4M33 22:35–22:50: quality 0.5M33 22:50–23:05: quality 0.6M33 23:05–23:20: quality 0.7M33 23:20–00:05: quality 0.8M33 00:05–01:00: quality 0.9M33 01:00–05:05: quality 0.8M33 05:05–05:45: quality 0.4M33 05:45–06:20: quality 0.1observe M33 01:35–03:05scheduleNGC 7000V1057 CygM31M33M45M3122:0000:0002:0004:0006:00

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
20:00–21:05 — nothing worth pointing at — 1.08
21:05–22:35 NGC 7000 1.5 0.81
22:35–00:05 V1057 Cyg 1.5 1.0
00:05–01:35 M31 1.5 0.94
01:35–03:05 M33 1.5 0.84
03:05–04:40 M45 1.58 0.72
04:40–05:05 M42 0.42 0.35
05:05–05:45 M31 0.67 0.4
05:45–06:45 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 21:40–05:05 (good) 89.7° at 03:35 61.1° 2.17
M42 Great Orion Nebula 4 unknown 04:40–05:05 (marginal) 42.9° at 08:25 25.2° 0.42
M45 Seven Sisters 55 unknown 01:50–05:05 (good) 72.6° at 06:40 21.0° 1.58
NGC 7000 North America Nebula 100 unknown 21:40–05:05 (good) 87.2° at 23:50 98.4° 1.5
V1057 Cyg 100 unknown 21:40–05:05 (good) 87.3° at 23:50 98.5° 1.5
M33 Triangulum Pinwheel 91 unknown 23:00–05:05 (good) 79.1° at 04:25 50.8° 1.5
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2032-08-28"

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"}.