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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 Friday, 24 May 2030 · astronomical night 22:44 → 03:51 (5.13 h) · Moon 43% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 03:15–03:20: quality 0.3M31 03:20–03:40: quality 0.4M31 03:40–03:55: quality 0.5M31 03:55–04:40: quality 0.3M31 04:40–05:25: quality 0.1observe M31 03:15–03:55observe M31 04:25–04:40M42M45NGC 7000NGC 7000 23:20–23:30: quality 0.4NGC 7000 23:30–23:45: quality 0.5NGC 7000 23:45–00:05: quality 0.6NGC 7000 00:05–00:20: quality 0.7NGC 7000 00:20–01:15: quality 0.8NGC 7000 01:15–02:15: quality 0.9NGC 7000 02:15–03:55: quality 0.8NGC 7000 03:55–04:40: quality 0.4NGC 7000 04:40–05:25: quality 0.1observe NGC 7000 23:20–01:10observe NGC 7000 03:55–04:25V1057 CygV1057 Cyg 23:20–23:30: quality 0.4V1057 Cyg 23:30–23:45: quality 0.5V1057 Cyg 23:45–00:05: quality 0.6V1057 Cyg 00:05–00:20: quality 0.7V1057 Cyg 00:20–01:15: quality 0.8V1057 Cyg 01:15–02:15: quality 0.9V1057 Cyg 02:15–03:55: quality 0.8V1057 Cyg 03:55–04:40: quality 0.4V1057 Cyg 04:40–05:25: quality 0.1observe V1057 Cyg 01:10–03:15M33M33 04:50–05:25: quality 0.1scheduleNGC 7000V1057 CygM31NGC 700022:0000:0002:0004:00

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
20:40–23:20 — nothing worth pointing at — 2.67
23:20–01:10 NGC 7000 1.83 0.68
01:10–03:15 V1057 Cyg 2.08 0.84
03:15–03:55 M31 0.67 0.42
03:55–04:25 NGC 7000 0.5 0.41
04:25–04:40 M31 0.25 0.33
04:40–05:55 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 7 unknown 03:15–03:55 (marginal) 89.7° at 09:55 50.7° 0.92
M42 Great Orion Nebula 0 unknown — 42.9° at 14:50 101.8° 0.0
M45 Seven Sisters 0 unknown — 72.5° at 13:00 77.1° 0.0
NGC 7000 North America Nebula 90 unknown 23:55–03:55 (good) 87.2° at 06:10 52.3° 2.33
V1057 Cyg 90 unknown 23:55–03:55 (good) 87.3° at 06:10 52.2° 2.08
M33 Triangulum Pinwheel 0 unknown — 79.1° at 10:45 51.4° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-05-24"

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"}.