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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 Friday, 28 October 2039 · astronomical night 19:54 → 06:15 (10.35 h) · Moon 91% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:50–19:25: quality 0.1M31 19:25–19:55: quality 0.3M31 19:55–02:10: quality 0.5M31 02:10–04:55: quality 0.6M31 04:55–05:25: quality 0.8M31 05:25–05:40: quality 0.7M31 05:40–05:55: quality 0.6M31 05:55–06:10: quality 0.5M31 06:10–06:20: quality 0.4observe M31 01:10–03:05M42M42 00:45–01:00: quality 0.3M42 01:00–01:25: quality 0.4M42 01:25–01:45: quality 0.5M42 01:45–03:20: quality 0.6M42 03:20–04:55: quality 0.7M42 04:55–06:15: quality 0.9M42 06:15–06:20: quality 0.8M42 06:20–06:50: quality 0.4M42 06:50–07:25: quality 0.1observe M42 03:05–05:00M45M45 21:10–21:15: quality 0.2M45 21:15–21:40: quality 0.3M45 21:40–22:05: quality 0.4M45 22:05–00:25: quality 0.5M45 00:25–03:05: quality 0.6M45 03:05–04:55: quality 0.7M45 04:55–05:25: quality 1.0M45 05:25–06:20: quality 0.9M45 06:20–06:50: quality 0.4M45 06:50–07:25: quality 0.1observe M45 23:15–01:10observe M45 06:20–06:50NGC 7000NGC 7000 18:50–19:25: quality 0.1NGC 7000 19:25–19:55: quality 0.3NGC 7000 19:55–23:25: quality 0.6NGC 7000 23:25–01:55: quality 0.5NGC 7000 01:55–02:25: quality 0.4NGC 7000 02:25–02:50: quality 0.3observe NGC 7000 19:25–21:20V1057 CygV1057 Cyg 18:50–19:25: quality 0.1V1057 Cyg 19:25–19:55: quality 0.3V1057 Cyg 19:55–23:25: quality 0.6V1057 Cyg 23:25–01:55: quality 0.5V1057 Cyg 01:55–02:25: quality 0.4V1057 Cyg 02:25–02:50: quality 0.3observe V1057 Cyg 21:20–23:15M33M33 19:00–19:25: quality 0.1M33 19:25–19:55: quality 0.2M33 19:55–22:00: quality 0.4M33 22:00–22:30: quality 0.5M33 22:30–23:40: quality 0.4M33 23:40–02:45: quality 0.5M33 02:45–04:55: quality 0.6M33 04:55–05:40: quality 0.8M33 05:40–05:55: quality 0.7M33 05:55–06:10: quality 0.6M33 06:10–06:20: quality 0.5M33 06:20–06:30: quality 0.2observe M33 05:00–06:20scheduleNGC 7000V1057 CygM45M31M42M3320:0022:0000:0002:0004:0006:00

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
18:20–19:25 — nothing worth pointing at — 1.08
19:25–21:20 NGC 7000 1.92 0.54
21:20–23:15 V1057 Cyg 1.92 0.58
23:15–01:10 M45 1.92 0.54
01:10–03:05 M31 1.92 0.54
03:05–05:00 M42 1.92 0.69
05:00–06:20 M33 1.33 0.71
06:20–06:50 M45 0.5 0.43
06:50–07:50 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 82 unknown 04:55–05:45 (good) 89.5° at 23:40 46.4° 1.92
M42 Great Orion Nebula 88 unknown 02:25–06:20 (good) 42.9° at 04:30 81.2° 1.92
M45 Seven Sisters 98 unknown 01:45–06:20 (good) 72.5° at 02:40 60.1° 2.42
NGC 7000 North America Nebula 62 unknown 19:55–21:10 (good) 87.2° at 19:55 64.7° 1.92
V1057 Cyg 62 unknown 19:55–21:10 (good) 87.3° at 19:55 64.6° 1.92
M33 Triangulum Pinwheel 84 unknown 04:55–06:00 (good) 79.2° at 00:30 40.5° 1.33
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-10-28"

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"}.