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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, 27 November 2047 · astronomical night 18:31 → 05:46 (11.25 h) · Moon 82% (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 18:35–23:35: quality 0.4M31 23:35–02:25: quality 0.5M31 02:25–03:00: quality 0.4M31 03:00–03:20: quality 0.3observe M31 01:55–03:10M42M42 21:45–22:10: quality 0.3M42 22:10–22:35: quality 0.4M42 22:35–23:30: quality 0.5M42 23:30–01:50: quality 0.6M42 01:50–03:30: quality 0.7M42 03:30–04:25: quality 0.8M42 04:25–04:45: quality 0.7M42 04:45–05:00: quality 0.6M42 05:00–05:15: quality 0.5M42 05:15–05:20: quality 0.4observe M42 00:05–01:55observe M42 03:25–05:20M45M45 18:10–18:35: quality 0.1M45 18:35–18:55: quality 0.3M45 18:55–21:15: quality 0.4M45 21:15–00:20: quality 0.5M45 00:20–03:30: quality 0.6M45 03:30–03:45: quality 0.9M45 03:45–04:35: quality 0.8M45 04:35–04:50: quality 0.7M45 04:50–05:00: quality 0.6M45 05:00–05:15: quality 0.5M45 05:15–05:20: quality 0.4observe M45 22:15–00:05NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–19:55: quality 0.6NGC 7000 19:55–22:45: quality 0.5NGC 7000 22:45–23:15: quality 0.4NGC 7000 23:15–23:50: quality 0.3observe NGC 7000 18:35–20:25V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–19:55: quality 0.6V1057 Cyg 19:55–22:45: quality 0.5V1057 Cyg 22:45–23:15: quality 0.4V1057 Cyg 23:15–23:50: quality 0.3observe V1057 Cyg 20:25–22:15M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–23:30: quality 0.4M33 23:30–02:45: quality 0.5M33 02:45–03:15: quality 0.4M33 03:15–03:30: quality 0.3observe M33 03:10–03:25scheduleNGC 7000V1057 CygM45M42M31M4218:0020:0022:0000:0002:0004:0006:00

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
16:50–18:35 — nothing worth pointing at — 1.75
18:35–20:25 NGC 7000 1.83 0.56
20:25–22:15 V1057 Cyg 1.83 0.49
22:15–00:05 M45 1.83 0.51
00:05–01:55 M42 1.83 0.62
01:55–03:10 M31 1.25 0.42
03:10–03:25 M33 0.25 0.33
03:25–05:20 M42 1.92 0.7
05:20–07:25 — nothing worth pointing at — 2.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 46 unknown 18:35–03:10 (marginal) 89.8° at 20:40 30.3° 1.25
M42 Great Orion Nebula 84 unknown 00:30–04:50 (good) 42.9° at 01:30 72.7° 3.75
M45 Seven Sisters 87 unknown 01:25–04:55 (good) 72.6° at 23:45 43.7° 1.83
NGC 7000 North America Nebula 40 unknown 18:35–23:35 (marginal) 87.2° at 16:55 59.6° 1.83
V1057 Cyg 40 unknown 18:35–23:35 (marginal) 87.2° at 16:55 59.6° 1.83
M33 Triangulum Pinwheel 49 unknown 18:35–03:25 (marginal) 79.2° at 21:30 22.1° 0.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2047-11-27"

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"}.