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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, 25 November 2039 · astronomical night 18:31 → 05:44 (11.21 h) · Moon 80% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:35: quality 0.3M31 18:35–23:20: quality 0.5M31 23:20–02:25: quality 0.6M31 02:25–02:50: quality 0.5M31 02:50–03:05: quality 0.6M31 03:05–03:20: quality 0.5M31 03:20–03:30: quality 0.4observe M31 02:00–03:05M42M42 21:55–22:15: quality 0.3M42 22:15–22:35: quality 0.4M42 22:35–23:05: quality 0.5M42 23:05–01:00: quality 0.6M42 01:00–02:50: quality 0.7M42 02:50–03:25: quality 0.9M42 03:25–04:35: quality 0.8M42 04:35–04:50: quality 0.7M42 04:50–05:05: quality 0.6M42 05:05–05:20: quality 0.5M42 05:20–05:30: quality 0.4observe M42 00:00–02:00M45M45 18:20–18:35: quality 0.1M45 18:35–18:45: quality 0.3M45 18:45–19:10: quality 0.4M45 19:10–21:45: quality 0.5M45 21:45–00:55: quality 0.6M45 00:55–02:50: quality 0.7M45 02:50–03:55: quality 0.9M45 03:55–04:40: quality 0.8M45 04:40–04:55: quality 0.7M45 04:55–05:10: quality 0.6M45 05:10–05:20: quality 0.5M45 05:20–05:30: quality 0.4observe M45 22:00–00:00observe M45 03:40–05:30NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–18:50: quality 0.7NGC 7000 18:50–21:50: quality 0.6NGC 7000 21:50–23:10: quality 0.5NGC 7000 23:10–23:35: quality 0.4NGC 7000 23:35–00:00: quality 0.3observe NGC 7000 18:00–20:00V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–18:50: quality 0.7V1057 Cyg 18:50–21:50: quality 0.6V1057 Cyg 21:50–23:10: quality 0.5V1057 Cyg 23:10–23:35: quality 0.4V1057 Cyg 23:35–00:00: quality 0.3observe V1057 Cyg 20:00–22:00M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–02:50: quality 0.5M33 02:50–03:05: quality 0.7M33 03:05–03:20: quality 0.6M33 03:20–03:35: quality 0.5M33 03:35–03:40: quality 0.4observe M33 03:05–03:40scheduleNGC 7000V1057 CygM45M42M31M4518:0020:0022:0000:0002:0004:0006:00

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
18:00–20:00 NGC 7000 2.0 0.55
20:00–22:00 V1057 Cyg 2.0 0.58
22:00–00:00 M45 2.0 0.58
00:00–02:00 M42 2.0 0.65
02:00–03:05 M31 1.08 0.54
03:05–03:40 M33 0.58 0.52
03:40–05:30 M45 1.83 0.72
05:30–07:25 — nothing worth pointing at — 1.92

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 63 unknown 02:50–02:55 (good) 89.5° at 20:50 41.6° 1.08
M42 Great Orion Nebula 87 unknown 00:00–05:00 (good) 42.9° at 01:40 72.8° 2.0
M45 Seven Sisters 93 unknown 23:40–05:00 (good) 72.5° at 23:50 50.4° 3.83
NGC 7000 North America Nebula 53 unknown 18:35–20:35 (good) 87.2° at 17:05 67.0° 2.0
V1057 Cyg 53 unknown 18:35–20:35 (good) 87.3° at 17:05 66.9° 2.0
M33 Triangulum Pinwheel 73 unknown 02:50–03:10 (good) 79.2° at 21:40 33.2° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-11-25"

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"}.