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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, 08 November 2031 · astronomical night 18:42 → 05:27 (10.74 h) · Moon 35% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:15: quality 0.1M31 18:15–18:45: quality 0.5M31 18:45–01:20: quality 1.0M31 01:20–02:20: quality 0.9M31 02:20–03:35: quality 0.8M31 03:35–03:50: quality 0.7M31 03:50–04:05: quality 0.6M31 04:05–04:25: quality 0.5M31 04:25–04:35: quality 0.4observe M31 22:15–00:15M42M42 23:00–23:10: quality 0.4M42 23:10–23:25: quality 0.5M42 23:25–23:40: quality 0.6M42 23:40–23:55: quality 0.7M42 23:55–01:05: quality 0.8M42 01:05–01:20: quality 0.9M42 01:20–04:05: quality 0.8M42 04:05–05:30: quality 0.7M42 05:30–06:00: quality 0.3M42 06:00–06:35: quality 0.1observe M42 04:15–05:50M45M45 19:25–19:30: quality 0.4M45 19:30–19:45: quality 0.5M45 19:45–20:00: quality 0.6M45 20:00–20:10: quality 0.7M45 20:10–21:00: quality 0.8M45 21:00–22:20: quality 0.9M45 22:20–01:20: quality 1.0M45 01:20–03:55: quality 0.9M45 03:55–05:15: quality 0.8M45 05:15–05:30: quality 0.7M45 05:30–05:45: quality 0.4M45 05:45–06:00: quality 0.3M45 06:00–06:35: quality 0.1observe M45 02:15–04:15observe M45 05:50–06:00NGC 7000NGC 7000 17:40–18:15: quality 0.2NGC 7000 18:15–18:45: quality 0.5NGC 7000 18:45–21:40: quality 1.0NGC 7000 21:40–23:10: quality 0.9NGC 7000 23:10–00:05: quality 0.8NGC 7000 00:05–00:20: quality 0.7NGC 7000 00:20–00:40: quality 0.6NGC 7000 00:40–00:55: quality 0.5NGC 7000 00:55–01:05: quality 0.4observe NGC 7000 18:15–20:15V1057 CygV1057 Cyg 17:40–18:15: quality 0.2V1057 Cyg 18:15–18:45: quality 0.5V1057 Cyg 18:45–21:40: quality 1.0V1057 Cyg 21:40–23:10: quality 0.9V1057 Cyg 23:10–00:05: quality 0.8V1057 Cyg 00:05–00:20: quality 0.7V1057 Cyg 00:20–00:40: quality 0.6V1057 Cyg 00:40–00:55: quality 0.5V1057 Cyg 00:55–01:05: quality 0.4observe V1057 Cyg 20:15–22:15M33M33 17:40–18:15: quality 0.1M33 18:15–18:45: quality 0.4M33 18:45–19:50: quality 0.9M33 19:50–01:25: quality 1.0M33 01:25–02:45: quality 0.9M33 02:45–03:50: quality 0.8M33 03:50–04:05: quality 0.7M33 04:05–04:20: quality 0.6M33 04:20–04:35: quality 0.5M33 04:35–04:45: quality 0.4observe M33 00:15–02:15scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
17:05–18:15 — nothing worth pointing at — 1.17
18:15–20:15 NGC 7000 2.0 0.88
20:15–22:15 V1057 Cyg 2.0 0.97
22:15–00:15 M31 2.0 1.0
00:15–02:15 M33 2.0 0.96
02:15–04:15 M45 2.0 0.89
04:15–05:50 M42 1.58 0.63
05:50–06:00 M45 0.17 0.31
06:00–07:05 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:45–04:00 (good) 89.7° at 21:55 122.8° 2.0
M42 Great Orion Nebula 86 unknown 23:30–05:30 (good) 42.9° at 02:45 71.1° 1.58
M45 Seven Sisters 100 unknown 19:50–05:30 (good) 72.5° at 01:00 94.8° 2.17
NGC 7000 North America Nebula 100 unknown 18:45–00:30 (good) 87.2° at 18:10 127.4° 2.0
V1057 Cyg 100 unknown 18:45–00:30 (good) 87.3° at 18:10 127.5° 2.0
M33 Triangulum Pinwheel 100 unknown 18:45–04:15 (good) 79.1° at 22:45 120.9° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-08"

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"}.