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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 Tuesday, 04 November 2031 · astronomical night 18:46 → 05:22 (10.6 h) · Moon 72% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:15: quality 0.1M31 18:15–18:50: quality 0.5M31 18:50–21:30: quality 1.0M31 21:30–01:00: quality 0.8M31 01:00–02:25: quality 0.7M31 02:25–03:50: quality 0.6M31 03:50–04:15: quality 0.5M31 04:15–04:35: quality 0.4M31 04:35–04:50: quality 0.3observe M31 22:05–00:00M42M42 23:15–23:45: quality 0.3M42 23:45–00:15: quality 0.4M42 00:15–01:50: quality 0.5M42 01:50–05:25: quality 0.4M42 05:25–06:00: quality 0.2M42 06:00–06:05: quality 0.1observe M42 03:50–05:25M45M45 19:40–19:45: quality 0.4M45 19:45–20:00: quality 0.5M45 20:00–20:15: quality 0.6M45 20:15–20:30: quality 0.7M45 20:30–21:15: quality 0.8M45 21:15–21:30: quality 0.9M45 21:30–00:00: quality 0.7M45 00:00–03:15: quality 0.6M45 03:15–05:25: quality 0.5M45 05:25–06:00: quality 0.2M45 06:00–06:25: quality 0.1observe M45 01:55–03:50NGC 7000NGC 7000 17:45–18:15: quality 0.2NGC 7000 18:15–18:50: quality 0.5NGC 7000 18:50–21:30: quality 1.0NGC 7000 21:30–22:15: quality 0.9NGC 7000 22:15–23:35: quality 0.8NGC 7000 23:35–00:25: quality 0.7NGC 7000 00:25–00:40: quality 0.6NGC 7000 00:40–01:00: quality 0.5NGC 7000 01:00–01:20: quality 0.4observe NGC 7000 18:15–20:10V1057 CygV1057 Cyg 17:45–18:15: quality 0.2V1057 Cyg 18:15–18:50: quality 0.5V1057 Cyg 18:50–21:30: quality 1.0V1057 Cyg 21:30–22:15: quality 0.9V1057 Cyg 22:15–23:35: quality 0.8V1057 Cyg 23:35–00:25: quality 0.7V1057 Cyg 00:25–00:40: quality 0.6V1057 Cyg 00:40–01:00: quality 0.5V1057 Cyg 01:00–01:20: quality 0.4observe V1057 Cyg 20:10–22:05M33M33 17:45–18:15: quality 0.1M33 18:15–18:50: quality 0.4M33 18:50–20:05: quality 0.9M33 20:05–21:30: quality 1.0M33 21:30–00:10: quality 0.8M33 00:10–02:20: quality 0.7M33 02:20–03:55: quality 0.6M33 03:55–04:25: quality 0.5M33 04:25–04:45: quality 0.4M33 04:45–05:00: quality 0.3observe M33 00:00–01:55scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
17:10–18:15 — nothing worth pointing at — 1.08
18:15–20:10 NGC 7000 1.92 0.85
20:10–22:05 V1057 Cyg 1.92 0.96
22:05–00:00 M31 1.92 0.81
00:00–01:55 M33 1.92 0.72
01:55–03:50 M45 1.92 0.55
03:50–05:25 M42 1.58 0.4
05:25–07:00 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:50–03:15 (good) 89.7° at 22:10 83.0° 1.92
M42 Great Orion Nebula 31 unknown 23:30–05:25 (marginal) 42.9° at 03:00 32.9° 1.58
M45 Seven Sisters 87 unknown 20:10–01:20 (good) 72.5° at 01:15 47.4° 1.92
NGC 7000 North America Nebula 100 unknown 18:50–00:35 (good) 87.2° at 18:25 112.8° 1.92
V1057 Cyg 100 unknown 18:50–00:35 (good) 87.3° at 18:25 112.9° 1.92
M33 Triangulum Pinwheel 100 unknown 18:50–03:05 (good) 79.1° at 23:00 75.8° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-04"

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"}.