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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 Friday, 17 September 2032 · astronomical night 21:00 → 05:30 (8.51 h) · Moon 97% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 20:05–20:30: quality 0.1M31 20:30–21:05: quality 0.2M31 21:05–02:15: quality 0.5M31 02:15–04:35: quality 0.6M31 04:35–05:35: quality 0.7M31 05:35–05:40: quality 0.3M31 05:40–06:05: quality 0.5M31 06:05–06:40: quality 0.1observe M31 00:05–01:35M42M42 03:20–03:25: quality 0.3M42 03:25–03:45: quality 0.4M42 03:45–04:00: quality 0.5M42 04:00–04:20: quality 0.6M42 04:20–05:35: quality 0.7M42 05:35–06:05: quality 0.4M42 06:05–06:40: quality 0.1observe M42 04:35–06:05M45M45 23:45–00:05: quality 0.3M45 00:05–00:25: quality 0.4M45 00:25–00:50: quality 0.5M45 00:50–02:25: quality 0.6M45 02:25–04:10: quality 0.7M45 04:10–05:35: quality 0.8M45 05:35–05:40: quality 0.4M45 05:40–06:05: quality 0.5M45 06:05–06:40: quality 0.2observe M45 01:35–03:05NGC 7000NGC 7000 19:55–20:30: quality 0.1NGC 7000 20:30–21:05: quality 0.3NGC 7000 21:05–04:35: quality 0.5NGC 7000 04:35–05:05: quality 0.4NGC 7000 05:05–05:25: quality 0.3observe NGC 7000 21:05–22:35V1057 CygV1057 Cyg 19:55–20:30: quality 0.1V1057 Cyg 20:30–21:05: quality 0.3V1057 Cyg 21:05–04:35: quality 0.5V1057 Cyg 04:35–05:05: quality 0.4V1057 Cyg 05:05–05:25: quality 0.3observe V1057 Cyg 22:35–00:05M33M33 21:10–21:15: quality 0.2M33 21:15–21:45: quality 0.3M33 21:45–22:45: quality 0.4M33 22:45–01:55: quality 0.5M33 01:55–04:25: quality 0.6M33 04:25–05:35: quality 0.7M33 05:35–05:40: quality 0.4M33 05:40–06:05: quality 0.5M33 06:05–06:40: quality 0.1observe M33 03:05–04:35scheduleNGC 7000V1057 CygM31M45M33M4220:0022:0000:0002:0004:0006:00

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
19:25–21:05 — nothing worth pointing at — 1.67
21:05–22:35 NGC 7000 1.5 0.52
22:35–00:05 V1057 Cyg 1.5 0.49
00:05–01:35 M31 1.5 0.52
01:35–03:05 M45 1.5 0.65
03:05–04:35 M33 1.5 0.62
04:35–06:05 M42 1.5 0.62
06:05–07:05 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 67 unknown 03:35–05:35 (good) 89.7° at 02:15 57.3° 1.5
M42 Great Orion Nebula 31 unknown 04:10–05:35 (good) 42.9° at 07:05 108.1° 1.5
M45 Seven Sisters 80 unknown 01:40–05:35 (good) 72.6° at 05:20 84.9° 1.5
NGC 7000 North America Nebula 54 unknown 21:05–05:20 (marginal) 87.2° at 22:30 53.3° 1.5
V1057 Cyg 54 unknown 21:05–05:20 (marginal) 87.3° at 22:30 53.2° 1.5
M33 Triangulum Pinwheel 70 unknown 03:20–05:35 (good) 79.1° at 03:05 59.0° 1.5
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2032-09-17"

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"}.