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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 Sunday, 26 March 2045 · astronomical night 21:14 → 05:37 (8.39 h) · Moon 60% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 20:10–20:25: quality 0.1M42M42 20:10–20:45: quality 0.1M42 20:45–21:15: quality 0.2M42 21:15–21:30: quality 0.5M42 21:30–22:00: quality 0.4M42 22:00–22:30: quality 0.3M45M45 20:10–20:45: quality 0.1M45 20:45–21:15: quality 0.3M45 21:15–21:45: quality 0.5M45 21:45–22:10: quality 0.4M45 22:10–22:30: quality 0.3observe M45 21:15–22:20NGC 7000NGC 7000 03:10–03:25: quality 0.4NGC 7000 03:25–03:45: quality 0.5NGC 7000 03:45–04:05: quality 0.6NGC 7000 04:05–04:10: quality 0.7NGC 7000 04:10–05:05: quality 0.8NGC 7000 05:05–05:40: quality 0.9NGC 7000 05:40–05:50: quality 0.4NGC 7000 05:50–06:15: quality 0.5NGC 7000 06:15–06:45: quality 0.1observe NGC 7000 03:10–04:15V1057 CygV1057 Cyg 03:10–03:25: quality 0.4V1057 Cyg 03:25–03:45: quality 0.5V1057 Cyg 03:45–04:05: quality 0.6V1057 Cyg 04:05–04:10: quality 0.7V1057 Cyg 04:10–05:05: quality 0.8V1057 Cyg 05:05–05:40: quality 0.9V1057 Cyg 05:40–05:50: quality 0.4V1057 Cyg 05:50–06:15: quality 0.5V1057 Cyg 06:15–06:45: quality 0.1observe V1057 Cyg 04:15–06:15M33M33 20:10–20:30: quality 0.1scheduleM45NGC 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
19:40–21:15 — nothing worth pointing at — 1.58
21:15–22:20 M45 1.08 0.43
22:20–03:10 — nothing worth pointing at — 4.83
03:10–04:15 NGC 7000 1.08 0.54
04:15–06:15 V1057 Cyg 2.0 0.73
06:15–07:15 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 0 unknown — 89.8° at 13:50 80.2° 0.0
M42 Great Orion Nebula 7 unknown 21:15–22:15 (marginal) 42.9° at 18:40 40.4° 0.0
M45 Seven Sisters 9 unknown 21:15–22:20 (marginal) 72.6° at 16:50 48.5° 1.08
NGC 7000 North America Nebula 47 unknown 03:55–05:40 (good) 87.2° at 10:00 106.6° 1.08
V1057 Cyg 47 unknown 03:55–05:40 (good) 87.3° at 10:00 106.6° 2.0
M33 Triangulum Pinwheel 0 unknown — 79.2° at 14:40 74.8° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2045-03-26"

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"}.