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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 Wednesday, 26 November 2031 · astronomical night 18:31 → 05:45 (11.23 h) · Moon 96% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:35: quality 0.2M31 18:35–20:10: quality 0.4M31 20:10–03:00: quality 0.3M31 03:00–03:25: quality 0.2observe M31 21:50–23:45M42M42 21:50–22:25: quality 0.2M42 22:25–23:45: quality 0.3M42 23:45–02:30: quality 0.4M42 02:30–04:35: quality 0.5M42 04:35–05:05: quality 0.4M42 05:05–05:25: quality 0.3observe M42 23:45–01:40observe M42 05:10–05:20M45M45 18:15–18:35: quality 0.1M45 18:35–18:45: quality 0.2M45 18:45–01:25: quality 0.3M45 01:25–04:55: quality 0.4M45 04:55–05:25: quality 0.3observe M45 02:55–05:10NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–20:35: quality 0.6NGC 7000 20:35–22:45: quality 0.5NGC 7000 22:45–23:15: quality 0.4NGC 7000 23:15–23:50: quality 0.3NGC 7000 23:50–23:55: quality 0.2observe NGC 7000 18:00–19:55V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–20:30: quality 0.6V1057 Cyg 20:30–22:45: quality 0.5V1057 Cyg 22:45–23:15: quality 0.4V1057 Cyg 23:15–23:45: quality 0.3V1057 Cyg 23:45–23:55: quality 0.2observe V1057 Cyg 19:55–21:50M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–19:35: quality 0.4M33 19:35–03:15: quality 0.3M33 03:15–03:35: quality 0.2observe M33 01:40–02:55scheduleNGC 7000V1057 CygM31M42M33M4518:0020:0022:0000:0002:0004:0006:00

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
18:00–19:55 NGC 7000 1.92 0.53
19:55–21:50 V1057 Cyg 1.92 0.53
21:50–23:45 M31 1.92 0.31
23:45–01:40 M42 1.92 0.38
01:40–02:55 M33 1.25 0.32
02:55–05:10 M45 2.25 0.4
05:10–05:20 M42 0.17 0.31
05:20–07:25 — nothing worth pointing at — 2.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 32 unknown 18:35–02:40 (marginal) 89.6° at 20:45 34.7° 1.92
M42 Great Orion Nebula 36 unknown 22:45–05:20 (marginal) 42.9° at 01:35 50.1° 2.08
M45 Seven Sisters 38 unknown 00:10–05:10 (marginal) 72.5° at 23:45 19.5° 2.25
NGC 7000 North America Nebula 46 unknown 18:35–19:45 (good) 87.2° at 17:00 74.3° 1.92
V1057 Cyg 46 unknown 18:35–19:45 (good) 87.3° at 17:00 74.2° 1.92
M33 Triangulum Pinwheel 27 unknown 18:35–20:50 (marginal) 79.1° at 21:35 19.9° 1.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-26"

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"}.