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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, 11 November 2027 · astronomical night 18:40 → 05:30 (10.83 h) · Moon 94% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.1M31 18:10–18:45: quality 0.2M31 18:45–19:45: quality 0.4M31 19:45–01:05: quality 0.3M31 01:05–03:40: quality 0.4M31 03:40–04:15: quality 0.3M31 04:15–04:25: quality 0.2observe M31 02:25–04:00M42M42 22:50–23:00: quality 0.2M42 23:00–23:30: quality 0.3M42 23:30–00:10: quality 0.4M42 00:10–02:15: quality 0.5M42 02:15–05:10: quality 0.6M42 05:10–05:30: quality 0.8M42 05:30–05:35: quality 0.7M42 05:35–06:05: quality 0.3M42 06:05–06:25: quality 0.1observe M42 00:30–02:25observe M42 04:15–05:55M45M45 19:15–19:45: quality 0.2M45 19:45–23:00: quality 0.3M45 23:00–01:55: quality 0.4M45 01:55–05:10: quality 0.5M45 05:10–05:35: quality 0.8M45 05:35–05:45: quality 0.4M45 05:45–06:05: quality 0.3M45 06:05–06:25: quality 0.1observe M45 22:35–00:30NGC 7000NGC 7000 17:35–18:10: quality 0.1NGC 7000 18:10–18:45: quality 0.3NGC 7000 18:45–19:15: quality 0.6NGC 7000 19:15–22:10: quality 0.5NGC 7000 22:10–00:05: quality 0.4NGC 7000 00:05–00:40: quality 0.3NGC 7000 00:40–00:55: quality 0.2observe NGC 7000 18:45–20:40V1057 CygV1057 Cyg 17:35–18:10: quality 0.1V1057 Cyg 18:10–18:45: quality 0.3V1057 Cyg 18:45–19:15: quality 0.6V1057 Cyg 19:15–22:05: quality 0.5V1057 Cyg 22:05–00:05: quality 0.4V1057 Cyg 00:05–00:40: quality 0.3V1057 Cyg 00:40–00:55: quality 0.2observe V1057 Cyg 20:40–22:35M33M33 17:35–18:10: quality 0.1M33 18:10–18:45: quality 0.2M33 18:45–18:50: quality 0.4M33 18:50–00:40: quality 0.3M33 00:40–04:00: quality 0.4M33 04:00–04:30: quality 0.3M33 04:30–04:35: quality 0.2observe M33 04:00–04:15scheduleNGC 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
17:00–18:45 — nothing worth pointing at — 1.75
18:45–20:40 NGC 7000 1.92 0.54
20:40–22:35 V1057 Cyg 1.92 0.47
22:35–00:30 M45 1.92 0.36
00:30–02:25 M42 1.92 0.51
02:25–04:00 M31 1.58 0.37
04:00–04:15 M33 0.25 0.32
04:15–05:55 M42 1.67 0.59
05:55–07:10 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 34 unknown 22:55–04:00 (marginal) 89.5° at 21:40 29.0° 1.58
M42 Great Orion Nebula 75 unknown 04:00–05:35 (good) 42.9° at 02:35 67.6° 3.58
M45 Seven Sisters 82 unknown 05:10–05:35 (good) 72.5° at 00:45 37.8° 1.92
NGC 7000 North America Nebula 43 unknown 18:45–00:25 (marginal) 87.2° at 18:00 62.2° 1.92
V1057 Cyg 43 unknown 18:45–00:25 (marginal) 87.3° at 18:00 62.1° 1.92
M33 Triangulum Pinwheel 36 unknown 22:55–04:15 (marginal) 79.1° at 22:35 18.2° 0.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2027-11-11"

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"}.