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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 Tuesday, 24 March 2037 · astronomical night 20:11 → 04:41 (8.5 h) · Moon 52% (first quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:10–19:30: quality 0.1M42M42 19:10–19:40: quality 0.1M42 19:40–20:15: quality 0.3M42 20:15–20:50: quality 0.5M42 20:50–21:15: quality 0.4M42 21:15–21:40: quality 0.3observe M42 21:20–21:30M45M45 19:10–19:40: quality 0.1M45 19:40–20:15: quality 0.3M45 20:15–21:00: quality 0.5M45 21:00–21:20: quality 0.4M45 21:20–21:40: quality 0.3observe M45 20:15–21:20NGC 7000NGC 7000 02:20–02:30: quality 0.4NGC 7000 02:30–02:45: quality 0.5NGC 7000 02:45–03:00: quality 0.6NGC 7000 03:00–03:20: quality 0.7NGC 7000 03:20–04:15: quality 0.8NGC 7000 04:15–04:45: quality 0.9NGC 7000 04:45–05:00: quality 0.4NGC 7000 05:00–05:20: quality 0.5NGC 7000 05:20–05:50: quality 0.1observe NGC 7000 02:20–03:25V1057 CygV1057 Cyg 02:20–02:30: quality 0.4V1057 Cyg 02:30–02:45: quality 0.5V1057 Cyg 02:45–03:00: quality 0.6V1057 Cyg 03:00–03:20: quality 0.7V1057 Cyg 03:20–04:15: quality 0.8V1057 Cyg 04:15–04:45: quality 0.9V1057 Cyg 04:45–05:00: quality 0.4V1057 Cyg 05:00–05:20: quality 0.5V1057 Cyg 05:20–05:50: quality 0.1observe V1057 Cyg 03:25–05:20M33M33 19:10–19:40: quality 0.1M33 19:40–19:50: quality 0.2scheduleM45NGC 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
18:35–20:15 — nothing worth pointing at — 1.67
20:15–21:20 M45 1.08 0.48
21:20–21:30 M42 0.17 0.31
21:30–02:20 — nothing worth pointing at — 4.83
02:20–03:25 NGC 7000 1.08 0.59
03:25–05:20 V1057 Cyg 1.92 0.72
05:20–06:20 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 0 unknown — 89.6° at 12:55 73.8° 0.0
M42 Great Orion Nebula 10 unknown 20:15–21:30 (marginal) 42.9° at 17:50 29.2° 0.17
M45 Seven Sisters 11 unknown 20:15–21:30 (marginal) 72.5° at 16:00 37.4° 1.08
NGC 7000 North America Nebula 46 unknown 02:55–04:45 (good) 87.2° at 09:10 106.4° 1.08
V1057 Cyg 46 unknown 02:55–04:45 (good) 87.3° at 09:10 106.4° 1.92
M33 Triangulum Pinwheel 0 unknown — 79.1° at 13:50 65.9° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2037-03-24"

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"}.