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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 November 2031 · astronomical night 18:31 → 05:47 (11.27 h) · Moon 100% (full moon) · 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 18:35–18:50: quality 0.6M31 18:50–20:45: quality 0.5M31 20:45–00:00: quality 0.4M31 00:00–02:45: quality 0.3M31 02:45–03:20: quality 0.2observe M31 21:00–22:20observe M31 22:55–23:25observe M31 23:35–02:20M42M42 21:40–22:00: quality 0.1M42 22:00–02:25: quality 0.2M42 02:25–04:45: quality 0.3M42 04:45–05:15: quality 0.2observe M42 04:10–04:15M45M45 18:05–18:35: quality 0.1M45 18:35–19:00: quality 0.3M45 19:00–19:10: quality 0.4M45 19:10–22:40: quality 0.3M45 22:40–01:40: quality 0.2M45 01:40–04:45: quality 0.3M45 04:45–05:15: quality 0.2observe M45 04:15–04:25NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.4NGC 7000 18:35–20:30: quality 0.7NGC 7000 20:30–22:00: quality 0.6NGC 7000 22:00–22:55: quality 0.5NGC 7000 22:55–23:20: quality 0.4NGC 7000 23:20–23:45: quality 0.3observe NGC 7000 18:00–19:30observe NGC 7000 23:25–23:35V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.4V1057 Cyg 18:35–20:30: quality 0.7V1057 Cyg 20:30–22:00: quality 0.6V1057 Cyg 22:00–22:55: quality 0.5V1057 Cyg 22:55–23:20: quality 0.4V1057 Cyg 23:20–23:45: quality 0.3observe V1057 Cyg 19:30–21:00M33M33 17:25–18:00: quality 0.1M33 18:00–18:10: quality 0.3M33 18:10–18:35: quality 0.2M33 18:35–19:35: quality 0.5M33 19:35–21:25: quality 0.4M33 21:25–02:40: quality 0.3M33 02:40–03:30: quality 0.2observe M33 22:20–22:55scheduleNGC 7000V1057 CygM31M3118:0020:0022:0000:0002:0004:0006:00

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
18:00–19:30 NGC 7000 1.5 0.6
19:30–21:00 V1057 Cyg 1.5 0.67
21:00–22:20 M31 1.33 0.41
22:20–22:55 M33 0.58 0.31
22:55–23:25 M31 0.5 0.37
23:25–23:35 NGC 7000 0.17 0.32
23:35–02:20 M31 2.75 0.33
02:20–04:10 — nothing worth pointing at — 1.83
04:10–04:15 M42 0.08 0.3
04:15–04:25 M45 0.17 0.3
04:25–07:30 — nothing worth pointing at — 3.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 51 unknown 18:35–02:20 (marginal) 89.7° at 20:35 50.0° 4.58
M42 Great Orion Nebula 13 unknown 04:10–04:15 (marginal) 42.9° at 01:25 31.7° 0.08
M45 Seven Sisters 26 unknown 18:40–21:05 (marginal) 72.5° at 23:40 8.3° 0.17
NGC 7000 North America Nebula 62 unknown 18:35–21:15 (good) 87.2° at 16:50 89.4° 1.67
V1057 Cyg 62 unknown 18:35–21:15 (good) 87.3° at 16:50 89.4° 1.5
M33 Triangulum Pinwheel 37 unknown 18:35–22:55 (marginal) 79.1° at 21:25 38.3° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-28"

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"}.