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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 Saturday, 03 May 2031 · astronomical night 22:09 → 04:25 (6.26 h) · Moon 87% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 04:40–04:55: quality 0.2M31 04:55–05:10: quality 0.3M31 05:10–05:45: quality 0.1M42M45NGC 7000NGC 7000 00:45–01:00: quality 0.4NGC 7000 01:00–01:20: quality 0.5NGC 7000 01:20–01:40: quality 0.6NGC 7000 01:40–02:20: quality 0.7NGC 7000 02:20–03:45: quality 0.8NGC 7000 03:45–04:15: quality 0.9NGC 7000 04:15–04:30: quality 1.0NGC 7000 04:30–05:10: quality 0.5NGC 7000 05:10–05:45: quality 0.2observe NGC 7000 00:45–03:00V1057 CygV1057 Cyg 00:45–01:00: quality 0.4V1057 Cyg 01:00–01:20: quality 0.5V1057 Cyg 01:20–01:40: quality 0.6V1057 Cyg 01:40–02:20: quality 0.7V1057 Cyg 02:20–03:45: quality 0.8V1057 Cyg 03:45–04:15: quality 0.9V1057 Cyg 04:15–04:30: quality 1.0V1057 Cyg 04:30–05:10: quality 0.5V1057 Cyg 05:10–05:45: quality 0.2observe V1057 Cyg 03:00–05:10M33scheduleNGC 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
20:20–00:45 — nothing worth pointing at — 4.42
00:45–03:00 NGC 7000 2.25 0.65
03:00–05:10 V1057 Cyg 2.17 0.75
05:10–06:15 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 1 unknown — 89.5° at 11:15 142.0° 0.0
M42 Great Orion Nebula 0 unknown — 42.9° at 16:15 95.2° 0.0
M45 Seven Sisters 0 unknown — 72.5° at 14:25 121.8° 0.0
NGC 7000 North America Nebula 77 unknown 01:30–04:30 (good) 87.2° at 07:35 124.2° 2.25
V1057 Cyg 77 unknown 01:30–04:30 (good) 87.3° at 07:35 124.2° 2.17
M33 Triangulum Pinwheel 0 unknown — 79.1° at 12:10 145.5° 0.0

Left out


💡 API
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-05-03"

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"}.