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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, 16 November 2026 · astronomical night 18:36 → 05:35 (10.99 h) · Moon 44% (waxing crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:40: quality 0.4M31 18:40–20:20: quality 0.8M31 20:20–22:55: quality 0.9M31 22:55–00:45: quality 1.0M31 00:45–02:15: quality 0.9M31 02:15–03:05: quality 0.8M31 03:05–03:20: quality 0.7M31 03:20–03:40: quality 0.6M31 03:40–03:55: quality 0.5M31 03:55–04:05: quality 0.4observe M31 00:05–02:05M42M42 22:30–22:40: quality 0.4M42 22:40–22:55: quality 0.5M42 22:55–23:05: quality 0.6M42 23:05–23:25: quality 0.7M42 23:25–00:35: quality 0.8M42 00:35–04:00: quality 0.9M42 04:00–05:10: 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 04:00–05:40M45M45 18:50–19:05: quality 0.4M45 19:05–19:20: quality 0.5M45 19:20–19:35: quality 0.6M45 19:35–20:05: quality 0.7M45 20:05–21:25: quality 0.8M45 21:25–22:55: quality 0.9M45 22:55–03:10: quality 1.0M45 03:10–04:30: quality 0.9M45 04:30–05:15: quality 0.8M45 05:15–05:30: 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 17:30–18:05: quality 0.1NGC 7000 18:05–18:40: quality 0.4NGC 7000 18:40–22:10: quality 0.8NGC 7000 22:10–22:55: quality 0.7NGC 7000 22:55–23:35: quality 0.8NGC 7000 23:35–23:50: quality 0.7NGC 7000 23:50–00:05: quality 0.6NGC 7000 00:05–00:25: quality 0.5NGC 7000 00:25–00:35: quality 0.4observe NGC 7000 18:05–20:05V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:40: quality 0.4V1057 Cyg 18:40–22:10: quality 0.8V1057 Cyg 22:10–22:55: quality 0.7V1057 Cyg 22:55–23:35: quality 0.8V1057 Cyg 23:35–23:50: quality 0.7V1057 Cyg 23:50–00:05: quality 0.6V1057 Cyg 00:05–00:25: quality 0.5V1057 Cyg 00:25–00:35: quality 0.4observe V1057 Cyg 20:05–22:05M33M33 17:30–18:05: quality 0.1M33 18:05–18:40: quality 0.4M33 18:40–19:55: quality 0.8M33 19:55–22:55: quality 0.9M33 22:55–01:15: quality 1.0M33 01:15–02:35: quality 0.9M33 02:35–03:25: quality 0.8M33 03:25–03:40: quality 0.7M33 03:40–03:50: quality 0.6M33 03:50–04:05: quality 0.5M33 04:05–04:15: quality 0.4observe M33 02:05–04:00scheduleNGC 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
17:00–18:05 — nothing worth pointing at — 1.08
18:05–20:05 NGC 7000 2.0 0.69
20:05–22:05 V1057 Cyg 2.0 0.79
22:05–00:05 M45 2.0 0.97
00:05–02:05 M31 2.0 0.93
02:05–04:00 M33 1.92 0.77
04:00–05:40 M42 1.67 0.77
05:40–07:15 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:40–03:30 (good) 89.6° at 21:20 73.5° 2.0
M42 Great Orion Nebula 89 unknown 23:00–05:30 (good) 42.9° at 02:15 119.7° 1.67
M45 Seven Sisters 100 unknown 19:30–05:35 (good) 72.5° at 00:25 101.6° 2.0
NGC 7000 North America Nebula 83 unknown 18:40–00:00 (good) 87.2° at 17:40 60.5° 2.0
V1057 Cyg 83 unknown 18:40–00:00 (good) 87.3° at 17:40 60.5° 2.0
M33 Triangulum Pinwheel 100 unknown 18:40–03:45 (good) 79.1° at 22:15 76.1° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2026-11-16"

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"}.