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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, 10 July 2028 · astronomical night 23:02 → 03:51 (4.82 h) · Moon 84% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 00:10–00:30: quality 0.3M31 00:30–01:00: quality 0.4M31 01:00–03:25: quality 0.5M31 03:25–03:55: quality 0.6M31 03:55–04:45: quality 0.3M31 04:45–05:25: quality 0.1observe M31 01:05–02:30M42M45M45 04:15–04:20: quality 0.1M45 04:20–04:45: quality 0.2M45 04:45–05:25: quality 0.1NGC 7000NGC 7000 21:30–22:15: quality 0.1NGC 7000 22:15–22:55: quality 0.4NGC 7000 22:55–23:05: quality 0.3NGC 7000 23:05–00:45: quality 0.7NGC 7000 00:45–03:55: quality 0.6NGC 7000 03:55–04:45: quality 0.3NGC 7000 04:45–05:25: quality 0.1observe NGC 7000 22:15–23:40V1057 CygV1057 Cyg 21:30–22:15: quality 0.1V1057 Cyg 22:15–22:55: quality 0.4V1057 Cyg 22:55–23:05: quality 0.3V1057 Cyg 23:05–00:45: quality 0.7V1057 Cyg 00:45–03:55: quality 0.6V1057 Cyg 03:55–04:45: quality 0.3V1057 Cyg 04:45–05:25: quality 0.1observe V1057 Cyg 23:40–01:05M33M33 01:40–02:05: quality 0.3M33 02:05–02:30: quality 0.4M33 02:30–03:55: quality 0.5M33 03:55–04:45: quality 0.3M33 04:45–05:25: quality 0.1observe M33 02:30–03:55scheduleNGC 7000V1057 CygM31M3322:0000:0002:0004:00

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
20:55–22:15 — nothing worth pointing at — 1.33
22:15–23:40 NGC 7000 1.42 0.52
23:40–01:05 V1057 Cyg 1.42 0.66
01:05–02:30 M31 1.42 0.52
02:30–03:55 M33 1.42 0.5
03:55–06:00 — nothing worth pointing at — 2.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 30 unknown 00:15–03:55 (marginal) 89.5° at 06:45 56.7° 1.42
M42 Great Orion Nebula 0 unknown — 42.9° at 11:40 106.6° 0.0
M45 Seven Sisters 1 unknown — 72.5° at 09:50 83.6° 0.0
NGC 7000 North America Nebula 62 unknown 23:05–02:05 (good) 87.2° at 03:05 54.0° 1.42
V1057 Cyg 62 unknown 23:05–02:00 (good) 87.3° at 03:05 53.9° 1.42
M33 Triangulum Pinwheel 16 unknown 01:55–03:55 (marginal) 79.1° at 07:40 58.0° 1.42

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-07-10"

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"}.