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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 Thursday, 15 November 2040 · astronomical night 18:36 → 05:35 (10.98 h) · Moon 91% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:05: quality 0.1M31 18:05–18:40: quality 0.2M31 18:40–19:15: quality 0.5M31 19:15–02:05: quality 0.4M31 02:05–03:05: quality 0.5M31 03:05–03:40: quality 0.4M31 03:40–04:05: quality 0.3observe M31 02:05–03:55M42M42 22:30–22:40: quality 0.2M42 22:40–23:05: quality 0.3M42 23:05–23:35: quality 0.4M42 23:35–01:30: quality 0.5M42 01:30–04:20: quality 0.6M42 04:20–05:10: quality 0.8M42 05:10–05:25: quality 0.7M42 05:25–05:40: quality 0.6M42 05:40–05:50: quality 0.3M42 05:50–06:05: quality 0.2observe M42 00:05–02:05observe M42 04:05–05:40M45M45 18:55–19:10: quality 0.2M45 19:10–19:45: quality 0.3M45 19:45–00:00: quality 0.4M45 00:00–02:15: quality 0.5M45 02:15–04:20: quality 0.6M45 04:20–04:30: quality 0.9M45 04:30–05:20: quality 0.8M45 05:20–05:30: quality 0.7M45 05:30–05:40: quality 0.6M45 05:40–05:50: quality 0.3M45 05:50–06:05: quality 0.2observe M45 22:05–00:05NGC 7000NGC 7000 17:35–18:05: quality 0.1NGC 7000 18:05–18:40: quality 0.3NGC 7000 18:40–21:05: quality 0.6NGC 7000 21:05–23:30: quality 0.5NGC 7000 23:30–00:05: quality 0.4NGC 7000 00:05–00:35: quality 0.3observe NGC 7000 18:05–20:05V1057 CygV1057 Cyg 17:35–18:05: quality 0.1V1057 Cyg 18:05–18:40: quality 0.3V1057 Cyg 18:40–21:05: quality 0.6V1057 Cyg 21:05–23:30: quality 0.5V1057 Cyg 23:30–00:00: quality 0.4V1057 Cyg 00:00–00:35: quality 0.3observe V1057 Cyg 20:05–22:05M33M33 17:35–18:05: quality 0.1M33 18:05–18:40: quality 0.2M33 18:40–03:00: quality 0.4M33 03:00–03:20: quality 0.5M33 03:20–03:50: quality 0.4M33 03:50–04:15: quality 0.3observe M33 03:55–04:05scheduleNGC 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
17:00–18:05 — nothing worth pointing at — 1.08
18:05–20:05 NGC 7000 2.0 0.53
20:05–22:05 V1057 Cyg 2.0 0.55
22:05–00:05 M45 2.0 0.43
00:05–02:05 M42 2.0 0.53
02:05–03:55 M31 1.83 0.42
03:55–04:05 M33 0.17 0.31
04:05–05:40 M42 1.58 0.73
05:40–07:15 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 47 unknown 18:40–03:55 (marginal) 89.7° at 21:25 37.3° 1.83
M42 Great Orion Nebula 83 unknown 02:45–05:35 (good) 42.9° at 02:15 65.6° 3.58
M45 Seven Sisters 86 unknown 04:20–05:40 (good) 72.5° at 00:25 41.2° 2.0
NGC 7000 North America Nebula 52 unknown 18:40–19:45 (good) 87.2° at 17:40 68.4° 2.0
V1057 Cyg 52 unknown 18:40–19:45 (good) 87.3° at 17:40 68.4° 2.0
M33 Triangulum Pinwheel 44 unknown 18:40–04:05 (marginal) 79.2° at 22:15 26.4° 0.17
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2040-11-15"

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"}.