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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, 20 September 2032 · astronomical night 20:54 → 05:34 (8.66 h) · Moon 97% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:50–20:25: quality 0.1M31 20:25–20:55: quality 0.2M31 20:55–21:25: quality 0.5M31 21:25–00:30: quality 0.4M31 00:30–04:45: quality 0.3M31 04:45–05:35: quality 0.4M31 05:35–06:10: quality 0.2M31 06:10–06:45: quality 0.1observe M31 23:35–01:10M42M42 03:10–03:20: quality 0.2M42 03:20–03:50: quality 0.3M42 03:50–04:35: quality 0.4M42 04:35–05:35: quality 0.5M42 05:35–05:40: quality 0.2M42 05:40–06:10: quality 0.3M42 06:10–06:45: quality 0.1observe M42 03:35–05:10M45M45 23:35–00:05: quality 0.2M45 00:05–03:00: quality 0.3M45 03:00–05:35: quality 0.4M45 05:35–06:10: quality 0.2M45 06:10–06:45: quality 0.1observe M45 01:10–02:45NGC 7000NGC 7000 19:50–20:00: quality 0.2NGC 7000 20:00–20:25: quality 0.1NGC 7000 20:25–20:40: quality 0.4NGC 7000 20:40–20:55: quality 0.3NGC 7000 20:55–21:40: quality 0.7NGC 7000 21:40–00:10: quality 0.6NGC 7000 00:10–02:50: quality 0.5NGC 7000 02:50–04:30: quality 0.4NGC 7000 04:30–05:05: quality 0.3NGC 7000 05:05–05:15: quality 0.2observe NGC 7000 22:00–23:35V1057 CygV1057 Cyg 19:50–20:00: quality 0.2V1057 Cyg 20:00–20:25: quality 0.1V1057 Cyg 20:25–20:40: quality 0.4V1057 Cyg 20:40–20:55: quality 0.3V1057 Cyg 20:55–21:40: quality 0.7V1057 Cyg 21:40–00:10: quality 0.6V1057 Cyg 00:10–02:50: quality 0.5V1057 Cyg 02:50–04:30: quality 0.4V1057 Cyg 04:30–05:05: quality 0.3V1057 Cyg 05:05–05:15: quality 0.2observe V1057 Cyg 20:25–22:00observe V1057 Cyg 02:45–03:35M33M33 21:00–21:10: quality 0.2M33 21:10–21:45: quality 0.3M33 21:45–23:20: quality 0.4M33 23:20–05:15: quality 0.3M33 05:15–05:35: quality 0.4M33 05:35–06:10: quality 0.2M33 06:10–06:45: quality 0.1observe M33 05:10–05:35scheduleV1057 CygNGC 7000M31M45V1057 CygM4220:0022:0000:0002:0004:0006:00

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
19:20–20:25 — nothing worth pointing at — 1.08
20:25–22:00 V1057 Cyg 1.58 0.56
22:00–23:35 NGC 7000 1.58 0.6
23:35–01:10 M31 1.58 0.36
01:10–02:45 M45 1.58 0.33
02:45–03:35 V1057 Cyg 0.83 0.44
03:35–05:10 M42 1.58 0.42
05:10–05:35 M33 0.42 0.35
05:35–07:10 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 40 unknown 20:55–05:35 (marginal) 89.7° at 02:05 33.2° 1.58
M42 Great Orion Nebula 14 unknown 03:35–05:35 (marginal) 42.9° at 06:55 67.2° 1.58
M45 Seven Sisters 23 unknown 00:25–05:35 (marginal) 72.6° at 05:10 40.1° 1.58
NGC 7000 North America Nebula 68 unknown 20:55–22:45 (good) 87.2° at 22:20 64.9° 1.58
V1057 Cyg 68 unknown 20:55–22:45 (good) 87.3° at 22:20 64.9° 2.42
M33 Triangulum Pinwheel 28 unknown 21:25–01:40 (marginal) 79.1° at 02:55 22.6° 0.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2032-09-20"

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"}.