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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 Wednesday, 14 April 2027 · astronomical night 21:40 → 05:01 (7.36 h) · Moon 61% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 05:55–06:15: quality 0.1M42M42 20:30–20:55: quality 0.1M42 21:05–21:20: quality 0.1M45M45 20:30–21:05: quality 0.1M45 21:05–21:15: quality 0.2NGC 7000NGC 7000 02:00–02:15: quality 0.4NGC 7000 02:15–02:30: quality 0.5NGC 7000 02:30–02:50: quality 0.6NGC 7000 02:50–03:05: quality 0.7NGC 7000 03:05–03:55: quality 0.8NGC 7000 03:55–05:05: quality 0.9NGC 7000 05:05–05:40: quality 0.5NGC 7000 05:40–06:05: quality 0.1NGC 7000 06:05–06:15: quality 0.2observe NGC 7000 02:00–03:55V1057 CygV1057 Cyg 02:00–02:15: quality 0.4V1057 Cyg 02:15–02:30: quality 0.5V1057 Cyg 02:30–02:50: quality 0.6V1057 Cyg 02:50–03:05: quality 0.7V1057 Cyg 03:05–03:55: quality 0.8V1057 Cyg 03:55–05:05: quality 0.9V1057 Cyg 05:05–05:40: quality 0.5V1057 Cyg 05:40–06:05: quality 0.1V1057 Cyg 06:05–06:15: quality 0.2observe V1057 Cyg 03:55–05:40M33scheduleNGC 7000V1057 Cyg22:0000:0002:0004:0006:00

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
20:00–02:00 — nothing worth pointing at — 6.0
02:00–03:55 NGC 7000 1.92 0.66
03:55–05:40 V1057 Cyg 1.75 0.75
05:40–06:45 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 0 unknown — 89.7° at 12:35 97.5° 0.0
M42 Great Orion Nebula 0 unknown — 42.9° at 17:30 51.9° 0.0
M45 Seven Sisters 0 unknown — 72.5° at 15:40 67.8° 0.0
NGC 7000 North America Nebula 62 unknown 02:40–05:05 (good) 87.2° at 08:50 116.2° 1.92
V1057 Cyg 62 unknown 02:40–05:05 (good) 87.3° at 08:50 116.3° 1.75
M33 Triangulum Pinwheel 0 unknown — 79.1° at 13:25 93.7° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2027-04-14"

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"}.