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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, 24 August 2046 · astronomical night 21:48 → 04:58 (7.17 h) · Moon 48% (last quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 21:15–21:30: quality 0.2M31 21:30–21:50: quality 0.3M31 21:50–21:55: quality 0.6M31 21:55–22:10: quality 0.7M31 22:10–23:05: quality 0.8M31 23:05–23:35: quality 0.9M31 23:35–00:05: quality 0.7M31 00:05–02:25: quality 0.8M31 02:25–05:00: quality 0.7M31 05:00–05:40: quality 0.3M31 05:40–06:15: quality 0.1observe M31 00:45–02:30M42M42 05:00–05:05: quality 0.1M42 05:05–05:40: quality 0.2M42 05:40–06:15: quality 0.1M45M45 01:20–01:30: quality 0.3M45 01:30–01:50: quality 0.4M45 01:50–02:10: quality 0.5M45 02:10–05:00: quality 0.6M45 05:00–05:40: quality 0.3M45 05:40–06:15: quality 0.1observe M45 04:15–05:40NGC 7000NGC 7000 20:40–21:15: quality 0.1NGC 7000 21:15–21:50: quality 0.5NGC 7000 21:50–23:35: quality 1.0NGC 7000 23:35–02:20: quality 0.9NGC 7000 02:20–04:10: quality 0.8NGC 7000 04:10–05:00: quality 0.7NGC 7000 05:00–05:40: quality 0.3NGC 7000 05:40–06:15: quality 0.1observe NGC 7000 21:15–23:00V1057 CygV1057 Cyg 20:40–21:15: quality 0.1V1057 Cyg 21:15–21:50: quality 0.5V1057 Cyg 21:50–23:35: quality 1.0V1057 Cyg 23:35–02:20: quality 0.9V1057 Cyg 02:20–04:10: quality 0.8V1057 Cyg 04:10–05:00: quality 0.7V1057 Cyg 05:00–05:40: quality 0.3V1057 Cyg 05:40–06:15: quality 0.1observe V1057 Cyg 23:00–00:45M33M33 22:45–22:55: quality 0.4M33 22:55–23:10: quality 0.5M33 23:10–23:25: quality 0.6M33 23:25–23:35: quality 0.7M33 23:35–23:50: quality 0.6M33 23:50–05:00: quality 0.7M33 05:00–05:40: quality 0.3M33 05:40–06:15: quality 0.1observe M33 02:30–04:15scheduleNGC 7000V1057 CygM31M33M4522:0000:0002:0004:0006:00

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
20:05–21:15 — nothing worth pointing at — 1.17
21:15–23:00 NGC 7000 1.75 0.83
23:00–00:45 V1057 Cyg 1.75 0.93
00:45–02:30 M31 1.75 0.77
02:30–04:15 M33 1.75 0.69
04:15–05:40 M45 1.42 0.49
05:40–06:40 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 88 unknown 21:50–05:00 (good) 89.5° at 03:50 44.1° 1.75
M42 Great Orion Nebula 1 unknown — 42.9° at 08:45 38.0° 0.0
M45 Seven Sisters 38 unknown 03:15–05:00 (good) 72.6° at 06:55 4.0° 1.42
NGC 7000 North America Nebula 100 unknown 21:50–05:00 (good) 87.2° at 00:10 83.1° 1.75
V1057 Cyg 100 unknown 21:50–05:00 (good) 87.2° at 00:10 83.1° 1.75
M33 Triangulum Pinwheel 72 unknown 23:15–05:00 (good) 79.2° at 04:45 33.2° 1.75

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2046-08-24"

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"}.