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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, 24 November 2031 · astronomical night 18:32 → 05:43 (11.19 h) · Moon 83% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:00: quality 0.1M31 18:00–18:35: quality 0.2M31 18:35–23:15: quality 0.4M31 23:15–02:40: quality 0.5M31 02:40–03:10: quality 0.4M31 03:10–03:30: quality 0.3M31 03:30–03:35: quality 0.4observe M31 02:05–03:25M42M42 22:00–22:20: quality 0.3M42 22:20–22:45: quality 0.4M42 22:45–23:40: quality 0.5M42 23:40–01:55: quality 0.6M42 01:55–03:30: quality 0.7M42 03:30–04:35: quality 0.8M42 04:35–04:55: quality 0.7M42 04:55–05:10: quality 0.6M42 05:10–05:25: quality 0.5M42 05:25–05:35: quality 0.4observe M42 00:10–02:05M45M45 18:20–18:35: quality 0.1M45 18:35–19:05: quality 0.3M45 19:05–21:15: quality 0.4M45 21:15–00:15: quality 0.5M45 00:15–03:30: quality 0.6M45 03:30–04:00: quality 0.9M45 04:00–04:45: quality 0.8M45 04:45–05:00: quality 0.7M45 05:00–05:10: quality 0.6M45 05:10–05:25: quality 0.5M45 05:25–05:35: quality 0.4observe M45 22:15–00:10observe M45 03:45–05:35NGC 7000NGC 7000 17:30–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–20:10: quality 0.6NGC 7000 20:10–23:00: quality 0.5NGC 7000 23:00–23:30: quality 0.4NGC 7000 23:30–00:00: quality 0.3NGC 7000 00:00–00:05: quality 0.2observe NGC 7000 18:00–18:10observe NGC 7000 18:35–20:20V1057 CygV1057 Cyg 17:30–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–20:10: quality 0.6V1057 Cyg 20:10–23:00: quality 0.5V1057 Cyg 23:00–23:30: quality 0.4V1057 Cyg 23:30–00:00: quality 0.3observe V1057 Cyg 20:20–22:15M33M33 17:30–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–23:40: quality 0.4M33 23:40–03:00: quality 0.5M33 03:00–03:25: quality 0.4M33 03:25–03:30: quality 0.3M33 03:30–03:35: quality 0.5M33 03:35–03:45: quality 0.4observe M33 03:25–03:45scheduleNGC 7000V1057 CygM45M42M31M4518:0020:0022:0000:0002:0004:0006:00

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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–18:10 NGC 7000 0.17 0.3
18:10–18:35 — nothing worth pointing at — 0.42
18:35–20:20 NGC 7000 1.75 0.57
20:20–22:15 V1057 Cyg 1.92 0.51
22:15–00:10 M45 1.92 0.51
00:10–02:05 M42 1.92 0.62
02:05–03:25 M31 1.33 0.42
03:25–03:45 M33 0.33 0.42
03:45–05:35 M45 1.83 0.71
05:35–07:25 — nothing worth pointing at — 1.83

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 49 unknown 18:35–03:25 (marginal) 89.6° at 20:50 32.9° 1.33
M42 Great Orion Nebula 85 unknown 00:40–05:00 (good) 42.9° at 01:45 72.9° 1.92
M45 Seven Sisters 88 unknown 01:25–05:05 (good) 72.5° at 23:55 45.3° 3.75
NGC 7000 North America Nebula 43 unknown 18:35–23:45 (marginal) 87.2° at 17:05 61.0° 1.92
V1057 Cyg 43 unknown 18:35–23:45 (marginal) 87.3° at 17:10 61.0° 1.92
M33 Triangulum Pinwheel 50 unknown 18:35–03:45 (marginal) 79.1° at 21:40 24.7° 0.33
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-24"

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"}.