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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, 11 June 2028 · astronomical night 23:05 → 03:36 (4.5 h) · Moon 79% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 02:05–02:15: quality 0.3M31 02:15–02:40: quality 0.4M31 02:40–03:05: quality 0.5M31 03:05–03:40: quality 0.6M31 03:40–04:30: quality 0.3M31 04:30–05:15: quality 0.1observe M31 02:40–03:40observe M31 04:10–04:30M42M45NGC 7000NGC 7000 22:05–22:15: quality 0.1NGC 7000 22:15–22:25: quality 0.2NGC 7000 22:25–23:00: quality 0.3NGC 7000 23:00–23:10: quality 0.4NGC 7000 23:10–00:05: quality 0.8NGC 7000 00:05–03:35: quality 0.7NGC 7000 03:35–03:40: quality 0.6NGC 7000 03:40–04:30: quality 0.3NGC 7000 04:30–05:15: quality 0.1observe NGC 7000 22:40–00:40observe NGC 7000 03:40–04:10V1057 CygV1057 Cyg 22:10–22:15: quality 0.1V1057 Cyg 22:15–22:25: quality 0.2V1057 Cyg 22:25–23:00: quality 0.3V1057 Cyg 23:00–23:10: quality 0.4V1057 Cyg 23:10–00:05: quality 0.8V1057 Cyg 00:05–03:30: quality 0.7V1057 Cyg 03:30–03:40: quality 0.6V1057 Cyg 03:40–04:30: quality 0.3V1057 Cyg 04:30–05:15: quality 0.1observe V1057 Cyg 00:40–02:40M33M33 03:35–03:40: quality 0.3M33 03:40–04:20: quality 0.2M33 04:20–04:30: quality 0.3M33 04:30–05:15: 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
20:55–22:40 — nothing worth pointing at — 1.75
22:40–00:40 NGC 7000 2.0 0.65
00:40–02:40 V1057 Cyg 2.0 0.67
02:40–03:40 M31 1.0 0.55
03:40–04:10 NGC 7000 0.5 0.32
04:10–04:30 M31 0.33 0.31
04:30–05:50 — nothing worth pointing at — 1.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 16 unknown 02:05–03:40 (marginal) 89.7° at 08:40 73.9° 1.33
M42 Great Orion Nebula 0 unknown — 42.9° at 13:35 123.1° 0.0
M45 Seven Sisters 0 unknown — 72.5° at 11:45 103.7° 0.0
NGC 7000 North America Nebula 80 unknown 23:10–03:40 (good) 87.2° at 04:55 58.6° 2.5
V1057 Cyg 80 unknown 23:10–03:40 (good) 87.3° at 04:55 58.5° 2.0
M33 Triangulum Pinwheel 2 unknown — 79.1° at 09:30 77.4° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-06-11"

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"}.