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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, 11 October 2030 · astronomical night 20:18 → 05:57 (9.65 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:15–19:50: quality 0.1M31 19:50–20:20: quality 0.2M31 20:20–22:10: quality 0.4M31 22:10–05:55: quality 0.3M31 05:55–06:00: quality 0.4M31 06:00–06:30: quality 0.2M31 06:30–06:35: quality 0.1M42M42 01:50–02:05: quality 0.2M42 02:05–02:40: quality 0.3M42 02:40–04:00: quality 0.4M42 04:00–06:00: quality 0.5M42 06:00–06:30: quality 0.3M42 06:30–07:05: quality 0.1observe M42 02:20–04:05M45M45 22:15–22:55: quality 0.2M45 22:55–04:05: quality 0.3M45 04:05–06:00: quality 0.4M45 06:00–06:30: quality 0.2M45 06:30–07:05: quality 0.1observe M45 04:05–05:50NGC 7000NGC 7000 19:15–19:50: quality 0.1NGC 7000 19:50–20:20: quality 0.3NGC 7000 20:20–22:10: quality 0.6NGC 7000 22:10–00:50: quality 0.5NGC 7000 00:50–03:00: quality 0.4NGC 7000 03:00–03:40: quality 0.3NGC 7000 03:40–03:55: quality 0.2observe NGC 7000 19:50–21:35V1057 CygV1057 Cyg 19:15–19:50: quality 0.1V1057 Cyg 19:50–20:20: quality 0.3V1057 Cyg 20:20–22:10: quality 0.6V1057 Cyg 22:10–00:45: quality 0.5V1057 Cyg 00:45–03:00: quality 0.4V1057 Cyg 03:00–03:40: quality 0.3V1057 Cyg 03:40–03:55: quality 0.2observe V1057 Cyg 21:35–02:20M33M33 19:50–20:10: quality 0.1M33 20:10–20:20: quality 0.2M33 20:20–20:30: quality 0.3M33 20:30–21:05: quality 0.4M33 21:05–05:30: quality 0.3M33 05:30–06:00: quality 0.4M33 06:00–06:30: quality 0.2M33 06:30–06:55: quality 0.1observe M33 05:50–06:00scheduleNGC 7000V1057 CygM42M4520:0022:0000:0002:0004:0006:00

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
18:45–19:50 — nothing worth pointing at — 1.08
19:50–21:35 NGC 7000 1.75 0.52
21:35–02:20 V1057 Cyg 4.75 0.48
02:20–04:05 M42 1.75 0.4
04:05–05:50 M45 1.75 0.4
05:50–06:00 M33 0.17 0.36
06:00–07:30 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 34 unknown 20:20–23:15 (marginal) 89.6° at 00:45 30.0° 0.0
M42 Great Orion Nebula 26 unknown 02:20–06:00 (marginal) 42.9° at 05:35 65.0° 1.75
M45 Seven Sisters 29 unknown 02:25–06:00 (marginal) 72.5° at 03:45 35.6° 1.75
NGC 7000 North America Nebula 60 unknown 20:20–21:00 (good) 87.2° at 21:00 64.3° 1.75
V1057 Cyg 60 unknown 20:20–21:00 (good) 87.3° at 21:00 64.2° 4.75
M33 Triangulum Pinwheel 28 unknown 20:20–23:10 (marginal) 79.1° at 01:35 18.1° 0.17

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-10-11"

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"}.