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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 Monday, 08 November 2027 · astronomical night 18:42 → 05:27 (10.74 h) · Moon 74% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:15: quality 0.1M31 18:15–18:45: quality 0.3M31 18:45–23:15: quality 0.6M31 23:15–02:00: quality 0.7M31 02:00–02:45: quality 0.9M31 02:45–03:40: quality 0.8M31 03:40–03:55: quality 0.7M31 03:55–04:10: quality 0.6M31 04:10–04:30: quality 0.5M31 04:30–04:35: quality 0.4observe M31 00:15–02:15M42M42 23:00–23:05: quality 0.3M42 23:05–23:20: quality 0.4M42 23:20–23:40: quality 0.5M42 23:40–00:00: quality 0.6M42 00:00–01:20: quality 0.7M42 01:20–02:00: quality 0.8M42 02:00–04:30: quality 0.9M42 04:30–05:30: quality 0.8M42 05:30–05:50: quality 0.4M42 05:50–06:00: quality 0.3M42 06:00–06:35: quality 0.1observe M42 04:15–06:00M45M45 19:25–19:40: quality 0.3M45 19:40–19:55: quality 0.4M45 19:55–20:15: quality 0.5M45 20:15–21:45: quality 0.6M45 21:45–23:30: quality 0.7M45 23:30–02:00: quality 0.8M45 02:00–03:40: quality 1.0M45 03:40–05:00: quality 0.9M45 05:00–05:30: quality 0.8M45 05:30–05:55: quality 0.4M45 05:55–06:00: quality 0.3M45 06:00–06:35: quality 0.1observe M45 22:15–00:15NGC 7000NGC 7000 17:40–18:15: quality 0.1NGC 7000 18:15–18:45: quality 0.3NGC 7000 18:45–23:55: quality 0.6NGC 7000 23:55–00:25: quality 0.5NGC 7000 00:25–00:50: quality 0.4NGC 7000 00:50–01:05: quality 0.3observe NGC 7000 18:15–20:15V1057 CygV1057 Cyg 17:40–18:15: quality 0.1V1057 Cyg 18:15–18:45: quality 0.3V1057 Cyg 18:45–23:55: quality 0.6V1057 Cyg 23:55–00:25: quality 0.5V1057 Cyg 00:25–00:50: quality 0.4V1057 Cyg 00:50–01:05: quality 0.3observe V1057 Cyg 20:15–22:15M33M33 17:40–18:15: quality 0.1M33 18:15–18:45: quality 0.3M33 18:45–19:25: quality 0.5M33 19:25–23:20: quality 0.6M33 23:20–02:00: quality 0.7M33 02:00–03:10: quality 0.9M33 03:10–03:55: quality 0.8M33 03:55–04:10: quality 0.7M33 04:10–04:25: quality 0.6M33 04:25–04:40: quality 0.5M33 04:40–04:45: quality 0.4observe M33 02:15–04:15scheduleNGC 7000V1057 CygM45M31M33M4218:0020:0022:0000:0002:0004:0006:00

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
17:05–18:15 — nothing worth pointing at — 1.17
18:15–20:15 NGC 7000 2.0 0.54
20:15–22:15 V1057 Cyg 2.0 0.6
22:15–00:15 M45 2.0 0.74
00:15–02:15 M31 2.0 0.72
02:15–04:15 M33 2.0 0.83
04:15–06:00 M42 1.75 0.7
06:00–07:05 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 90 unknown 21:05–04:05 (good) 89.7° at 21:55 50.5° 2.0
M42 Great Orion Nebula 89 unknown 23:50–05:30 (good) 42.9° at 02:45 99.0° 1.75
M45 Seven Sisters 100 unknown 21:00–05:30 (good) 72.5° at 01:00 75.2° 2.0
NGC 7000 North America Nebula 59 unknown 18:45–21:30 (good) 87.3° at 18:10 54.5° 2.0
V1057 Cyg 59 unknown 18:45–21:25 (good) 87.3° at 18:10 54.4° 2.0
M33 Triangulum Pinwheel 93 unknown 21:10–04:15 (good) 79.1° at 22:45 50.3° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2027-11-08"

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"}.