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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, 09 April 2029 · astronomical night 21:33 → 05:10 (7.62 h) · Moon 14% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 06:15–06:25: quality 0.1M42M42 20:25–21:00: quality 0.1M42 21:00–21:20: quality 0.3M42 21:20–21:35: quality 0.2M45M45 20:25–21:00: quality 0.1M45 21:00–21:20: quality 0.3M45 21:20–21:35: quality 0.2observe M45 21:00–21:10NGC 7000NGC 7000 02:15–02:25: quality 0.4NGC 7000 02:25–02:40: quality 0.5NGC 7000 02:40–03:00: quality 0.6NGC 7000 03:00–03:15: quality 0.7NGC 7000 03:15–04:10: quality 0.8NGC 7000 04:10–05:15: quality 0.9NGC 7000 05:15–05:35: quality 0.4NGC 7000 05:35–05:50: quality 0.5NGC 7000 05:50–06:25: quality 0.1observe NGC 7000 02:15–03:15V1057 CygV1057 Cyg 02:15–02:25: quality 0.4V1057 Cyg 02:25–02:45: quality 0.5V1057 Cyg 02:45–03:00: quality 0.6V1057 Cyg 03:00–03:15: quality 0.7V1057 Cyg 03:15–04:10: quality 0.8V1057 Cyg 04:10–05:15: quality 0.9V1057 Cyg 05:15–05:35: quality 0.4V1057 Cyg 05:35–05:50: quality 0.5V1057 Cyg 05:50–06:25: quality 0.1observe V1057 Cyg 03:15–05:50M33scheduleNGC 7000V1057 Cyg20:0022:0000:0002:0004:0006:00

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
19:55–21:00 — nothing worth pointing at — 1.08
21:00–21:10 M45 0.17 0.31
21:10–02:15 — nothing worth pointing at — 5.08
02:15–03:15 NGC 7000 1.0 0.57
03:15–05:50 V1057 Cyg 2.58 0.76
05:50–06:50 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 0 unknown — 89.6° at 12:55 55.5° 0.0
M42 Great Orion Nebula 2 unknown 21:00–21:05 (marginal) 42.9° at 17:45 106.0° 0.0
M45 Seven Sisters 2 unknown 21:00–21:10 (marginal) 72.5° at 15:55 82.5° 0.17
NGC 7000 North America Nebula 59 unknown 02:50–05:15 (good) 87.2° at 09:05 53.3° 1.0
V1057 Cyg 59 unknown 02:50–05:15 (good) 87.3° at 09:05 53.2° 2.58
M33 Triangulum Pinwheel 0 unknown — 79.1° at 13:45 56.8° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-04-09"

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"}.