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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 Thursday, 22 October 2037 · astronomical night 20:01 → 06:09 (10.13 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:00–19:30: quality 0.1M31 19:30–20:05: quality 0.2M31 20:05–21:20: quality 0.5M31 21:20–05:00: quality 0.4M31 05:00–05:40: quality 0.5M31 05:40–06:10: quality 0.4M31 06:10–06:30: quality 0.2M31 06:30–06:35: quality 0.1M31 06:35–06:40: quality 0.2observe M31 23:20–01:15M42M42 01:05–01:15: quality 0.2M42 01:15–01:40: quality 0.3M42 01:40–02:15: quality 0.4M42 02:15–04:10: quality 0.5M42 04:10–06:10: quality 0.6M42 06:10–06:35: quality 0.3M42 06:35–06:45: quality 0.4M42 06:45–07:15: quality 0.1observe M42 03:10–05:05observe M42 06:10–06:45M45M45 21:30–21:50: quality 0.2M45 21:50–22:50: quality 0.3M45 22:50–02:55: quality 0.4M45 02:55–04:50: quality 0.5M45 04:50–06:10: quality 0.6M45 06:10–06:35: quality 0.3M45 06:35–06:45: quality 0.4M45 06:45–07:15: quality 0.1observe M45 01:15–03:10NGC 7000NGC 7000 19:00–19:30: quality 0.1NGC 7000 19:30–20:05: quality 0.3NGC 7000 20:05–20:15: quality 0.7NGC 7000 20:15–23:15: quality 0.6NGC 7000 23:15–02:05: quality 0.5NGC 7000 02:05–02:35: quality 0.4NGC 7000 02:35–03:05: quality 0.3NGC 7000 03:05–03:10: quality 0.2observe NGC 7000 19:30–21:25V1057 CygV1057 Cyg 19:00–19:30: quality 0.1V1057 Cyg 19:30–20:05: quality 0.3V1057 Cyg 20:05–20:15: quality 0.7V1057 Cyg 20:15–23:15: quality 0.6V1057 Cyg 23:15–02:05: quality 0.5V1057 Cyg 02:05–02:35: quality 0.4V1057 Cyg 02:35–03:05: quality 0.3V1057 Cyg 03:05–03:10: quality 0.2observe V1057 Cyg 21:25–23:20M33M33 19:30–20:05: quality 0.2M33 20:05–21:55: quality 0.4M33 21:55–02:30: quality 0.3M33 02:30–06:10: quality 0.4M33 06:10–06:45: quality 0.2M33 06:45–06:50: quality 0.1observe M33 05:05–06:10scheduleNGC 7000V1057 CygM31M45M42M3320:0022:0000:0002:0004:0006:00

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
18:25–19:30 — nothing worth pointing at — 1.08
19:30–21:25 NGC 7000 1.92 0.54
21:25–23:20 V1057 Cyg 1.92 0.58
23:20–01:15 M31 1.92 0.37
01:15–03:10 M45 1.92 0.43
03:10–05:05 M42 1.92 0.55
05:05–06:10 M33 1.08 0.43
06:10–06:45 M42 0.58 0.34
06:45–07:45 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 47 unknown 20:05–06:10 (marginal) 89.7° at 00:00 40.0° 1.92
M42 Great Orion Nebula 43 unknown 05:25–06:10 (good) 42.9° at 04:50 67.6° 2.5
M45 Seven Sisters 58 unknown 22:05–06:10 (marginal) 72.5° at 03:05 44.8° 1.92
NGC 7000 North America Nebula 64 unknown 20:05–21:30 (good) 87.2° at 20:15 69.0° 1.92
V1057 Cyg 64 unknown 20:05–21:30 (good) 87.3° at 20:15 69.0° 1.92
M33 Triangulum Pinwheel 43 unknown 20:05–06:10 (marginal) 79.2° at 00:50 29.8° 1.08
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2037-10-22"

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"}.