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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, 23 September 2032 · astronomical night 20:48 → 05:37 (8.81 h) · Moon 74% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:45–20:20: quality 0.1M31 20:20–20:50: quality 0.4M31 20:50–21:05: quality 0.8M31 21:05–22:05: quality 0.9M31 22:05–00:20: quality 0.7M31 00:20–03:10: quality 0.6M31 03:10–05:40: quality 0.5M31 05:40–06:15: quality 0.2M31 06:15–06:45: quality 0.1observe M31 23:30–01:05M42M42 03:00–03:20: quality 0.2M42 03:20–03:55: quality 0.3M42 03:55–05:40: quality 0.4M42 05:40–06:15: quality 0.2M42 06:15–06:45: quality 0.1observe M42 04:15–05:40M45M45 23:20–23:45: quality 0.3M45 23:45–00:10: quality 0.4M45 00:10–03:40: quality 0.5M45 03:40–05:40: quality 0.4M45 05:40–06:15: quality 0.2M45 06:15–06:45: quality 0.1observe M45 02:40–04:15NGC 7000NGC 7000 19:45–20:20: quality 0.2NGC 7000 20:20–20:50: quality 0.5NGC 7000 20:50–22:05: quality 1.0NGC 7000 22:05–22:20: quality 0.9NGC 7000 22:20–01:25: quality 0.8NGC 7000 01:25–02:50: quality 0.7NGC 7000 02:50–04:05: quality 0.6NGC 7000 04:05–04:25: quality 0.5NGC 7000 04:25–04:50: quality 0.4NGC 7000 04:50–05:05: quality 0.3observe NGC 7000 20:20–21:55V1057 CygV1057 Cyg 19:45–20:20: quality 0.2V1057 Cyg 20:20–20:50: quality 0.5V1057 Cyg 20:50–22:05: quality 1.0V1057 Cyg 22:05–22:20: quality 0.9V1057 Cyg 22:20–01:25: quality 0.8V1057 Cyg 01:25–02:50: quality 0.7V1057 Cyg 02:50–04:05: quality 0.6V1057 Cyg 04:05–04:25: quality 0.5V1057 Cyg 04:25–04:50: quality 0.4V1057 Cyg 04:50–05:05: quality 0.3observe V1057 Cyg 21:55–23:30M33M33 20:45–20:50: quality 0.2M33 20:50–20:55: quality 0.4M33 20:55–21:10: quality 0.5M33 21:10–21:25: quality 0.6M33 21:25–21:35: quality 0.7M33 21:35–22:05: quality 0.8M33 22:05–01:30: quality 0.6M33 01:30–05:25: quality 0.5M33 05:25–05:40: quality 0.4M33 05:40–06:15: quality 0.2M33 06:15–06:45: quality 0.1observe M33 01:05–02:40scheduleNGC 7000V1057 CygM31M33M45M4220:0022:0000:0002:0004:0006:00

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
19:15–20:20 — nothing worth pointing at — 1.08
20:20–21:55 NGC 7000 1.58 0.84
21:55–23:30 V1057 Cyg 1.58 0.86
23:30–01:05 M31 1.58 0.65
01:05–02:40 M33 1.58 0.54
02:40–04:15 M45 1.58 0.45
04:15–05:40 M42 1.42 0.38
05:40–07:15 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 92 unknown 20:50–01:35 (good) 89.5° at 01:50 48.4° 1.58
M42 Great Orion Nebula 10 unknown 03:35–05:40 (marginal) 42.9° at 06:45 32.7° 1.42
M45 Seven Sisters 35 unknown 23:35–05:40 (marginal) 72.6° at 04:55 7.3° 1.58
NGC 7000 North America Nebula 100 unknown 20:50–03:40 (good) 87.2° at 22:10 88.4° 1.58
V1057 Cyg 100 unknown 20:50–03:40 (good) 87.3° at 22:10 88.4° 1.58
M33 Triangulum Pinwheel 82 unknown 23:00–00:20 (good) 79.1° at 02:45 36.0° 1.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2032-09-23"

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"}.