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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 Saturday, 06 November 2027 · astronomical night 18:44 → 05:24 (10.67 h) · Moon 56% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:15: quality 0.1M31 18:15–18:45: quality 0.4M31 18:45–18:50: quality 0.7M31 18:50–23:35: quality 0.8M31 23:35–23:55: quality 0.9M31 23:55–01:30: quality 1.0M31 01:30–02:55: quality 0.9M31 02:55–03:45: quality 0.8M31 03:45–04:05: quality 0.7M31 04:05–04:20: quality 0.6M31 04:20–04:35: quality 0.5M31 04:35–04:45: quality 0.4observe M31 20:15–22:15M42M42 23:10–23:20: quality 0.4M42 23:20–23:35: quality 0.5M42 23:35–23:55: quality 0.6M42 23:55–00:05: quality 0.7M42 00:05–01:15: quality 0.8M42 01:15–04:40: quality 0.9M42 04:40–05:25: quality 0.8M42 05:25–05:55: quality 0.4M42 05:55–06:00: quality 0.3M42 06:00–06:35: quality 0.1observe M42 02:55–06:00M45M45 19:30–19:35: quality 0.3M45 19:35–19:50: quality 0.4M45 19:50–20:05: quality 0.5M45 20:05–20:20: quality 0.6M45 20:20–21:10: quality 0.7M45 21:10–22:30: quality 0.8M45 22:30–23:55: quality 0.9M45 23:55–03:50: quality 1.0M45 03:50–05:10: quality 0.9M45 05:10–05:25: quality 0.8M45 05:25–06:00: quality 0.4M45 06:00–06:35: quality 0.1observe M45 22:15–00:15NGC 7000NGC 7000 17:40–18:15: quality 0.1NGC 7000 18:15–18:45: quality 0.4NGC 7000 18:45–20:05: quality 0.7NGC 7000 20:05–21:30: quality 0.8NGC 7000 21:30–23:55: quality 0.7NGC 7000 23:55–00:15: quality 0.8NGC 7000 00:15–00:30: quality 0.7NGC 7000 00:30–00:45: quality 0.6NGC 7000 00:45–01:05: quality 0.5NGC 7000 01:05–01:15: quality 0.4observe NGC 7000 18:15–20:15V1057 CygV1057 Cyg 17:40–18:15: quality 0.1V1057 Cyg 18:15–18:45: quality 0.4V1057 Cyg 18:45–20:05: quality 0.7V1057 Cyg 20:05–21:30: quality 0.8V1057 Cyg 21:30–23:55: quality 0.7V1057 Cyg 23:55–00:15: quality 0.8V1057 Cyg 00:15–00:30: quality 0.7V1057 Cyg 00:30–00:45: quality 0.6V1057 Cyg 00:45–01:05: quality 0.5V1057 Cyg 01:05–01:15: quality 0.4observe V1057 Cyg 00:15–00:55M33M33 17:40–18:15: quality 0.1M33 18:15–18:45: quality 0.3M33 18:45–19:50: quality 0.7M33 19:50–23:20: quality 0.8M33 23:20–23:55: quality 0.9M33 23:55–01:55: quality 1.0M33 01:55–03:15: quality 0.9M33 03:15–04:05: quality 0.8M33 04:05–04:20: quality 0.7M33 04:20–04:30: quality 0.6M33 04:30–04:45: quality 0.5M33 04:45–04:55: quality 0.4observe M33 00:55–02:55scheduleNGC 7000M31M45M33M4218:0020:0022:0000:0002:0004:0006:00

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
18:15–20:15 NGC 7000 2.0 0.65
20:15–22:15 M31 2.0 0.8
22:15–00:15 M45 2.0 0.91
00:15–00:55 V1057 Cyg 0.67 0.62
00:55–02:55 M33 2.0 0.95
02:55–06:00 M42 3.08 0.77
06:00–07:00 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:45–04:10 (good) 89.5° at 22:00 70.4° 2.0
M42 Great Orion Nebula 89 unknown 23:45–05:25 (good) 42.9° at 02:55 118.7° 3.08
M45 Seven Sisters 100 unknown 20:10–05:25 (good) 72.5° at 01:05 99.1° 2.0
NGC 7000 North America Nebula 81 unknown 18:45–00:40 (good) 87.2° at 18:20 58.2° 2.0
V1057 Cyg 81 unknown 18:45–00:40 (good) 87.3° at 18:20 58.1° 0.67
M33 Triangulum Pinwheel 100 unknown 18:45–04:25 (good) 79.1° at 22:55 73.2° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2027-11-06"

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"}.