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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, 13 November 2040 · astronomical night 18:38 → 05:33 (10.92 h) · Moon 75% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.1M31 18:10–18:40: quality 0.3M31 18:40–23:15: quality 0.6M31 23:15–02:00: quality 0.7M31 02:00–02:25: quality 0.9M31 02:25–03:15: quality 0.8M31 03:15–03:35: quality 0.7M31 03:35–03:50: quality 0.6M31 03:50–04:05: quality 0.5M31 04:05–04:15: quality 0.4observe M31 00:10–02:10M42M42 22:40–22:45: quality 0.3M42 22:45–23:05: quality 0.4M42 23:05–23:25: quality 0.5M42 23:25–23:50: quality 0.6M42 23:50–01:45: quality 0.7M42 01:45–02:00: quality 0.8M42 02:00–04:10: quality 0.9M42 04:10–05:20: quality 0.8M42 05:20–05:35: quality 0.7M42 05:35–06:00: quality 0.3M42 06:00–06:10: quality 0.2M42 06:10–06:15: quality 0.1observe M42 04:10–05:45M45M45 19:00–19:15: quality 0.3M45 19:15–19:40: quality 0.4M45 19:40–20:05: quality 0.5M45 20:05–21:50: quality 0.6M45 21:50–00:25: quality 0.7M45 00:25–02:00: quality 0.8M45 02:00–03:20: quality 1.0M45 03:20–04:40: quality 0.9M45 04:40–05:25: quality 0.8M45 05:25–05:35: quality 0.7M45 05:35–06:00: quality 0.3M45 06:00–06:10: quality 0.2M45 06:10–06:15: quality 0.1observe M45 22:10–00:10NGC 7000NGC 7000 17:35–18:10: quality 0.1NGC 7000 18:10–18:40: quality 0.3NGC 7000 18:40–20:45: quality 0.7NGC 7000 20:45–23:40: quality 0.6NGC 7000 23:40–00:05: quality 0.5NGC 7000 00:05–00:30: quality 0.4NGC 7000 00:30–00:45: quality 0.3observe NGC 7000 18:10–20:10V1057 CygV1057 Cyg 17:35–18:10: quality 0.1V1057 Cyg 18:10–18:40: quality 0.3V1057 Cyg 18:40–20:45: quality 0.7V1057 Cyg 20:45–23:40: quality 0.6V1057 Cyg 23:40–00:05: quality 0.5V1057 Cyg 00:05–00:30: quality 0.4V1057 Cyg 00:30–00:45: quality 0.3observe V1057 Cyg 20:10–22:10M33M33 17:35–18:10: quality 0.1M33 18:10–18:40: quality 0.3M33 18:40–19:00: quality 0.5M33 19:00–23:40: quality 0.6M33 23:40–02:00: quality 0.7M33 02:00–02:45: quality 0.9M33 02:45–03:35: quality 0.8M33 03:35–03:50: quality 0.7M33 03:50–04:05: quality 0.6M33 04:05–04:15: quality 0.5M33 04:15–04:25: quality 0.4observe M33 02:10–04:10scheduleNGC 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
17:00–18:10 — nothing worth pointing at — 1.17
18:10–20:10 NGC 7000 2.0 0.58
20:10–22:10 V1057 Cyg 2.0 0.63
22:10–00:10 M45 2.0 0.71
00:10–02:10 M31 2.0 0.69
02:10–04:10 M33 2.0 0.78
04:10–05:45 M42 1.58 0.74
05:45–07:10 — nothing worth pointing at — 1.42

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 87 unknown 18:40–03:40 (good) 89.6° at 21:30 51.1° 2.0
M42 Great Orion Nebula 89 unknown 23:35–05:35 (good) 42.9° at 02:25 88.8° 1.58
M45 Seven Sisters 100 unknown 21:00–05:35 (good) 72.5° at 00:35 68.4° 2.0
NGC 7000 North America Nebula 64 unknown 18:40–22:05 (good) 87.2° at 17:50 63.0° 2.0
V1057 Cyg 64 unknown 18:40–22:05 (good) 87.2° at 17:50 62.9° 2.0
M33 Triangulum Pinwheel 90 unknown 21:50–03:55 (good) 79.2° at 22:25 47.3° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2040-11-13"

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"}.