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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, 12 October 2038 · astronomical night 20:16 → 05:58 (9.69 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:15–19:45: quality 0.1M31 19:45–20:20: quality 0.2M31 20:20–21:35: quality 0.5M31 21:35–06:00: quality 0.4M31 06:00–06:35: quality 0.2M31 06:35–06:55: quality 0.1observe M31 23:15–01:00M42M42 01:45–01:55: quality 0.2M42 01:55–02:25: quality 0.3M42 02:25–03:10: quality 0.4M42 03:10–05:10: quality 0.5M42 05:10–06:00: quality 0.6M42 06:00–06:35: quality 0.3M42 06:35–07:05: quality 0.1observe M42 02:45–04:30observe M42 06:30–06:35M45M45 22:10–22:35: quality 0.2M45 22:35–00:30: quality 0.3M45 00:30–04:00: quality 0.4M45 04:00–06:00: quality 0.5M45 06:00–06:35: quality 0.3M45 06:35–07:05: quality 0.1observe M45 01:00–02:45NGC 7000NGC 7000 19:15–19:45: quality 0.1NGC 7000 19:45–20:20: quality 0.3NGC 7000 20:20–20:50: quality 0.7NGC 7000 20:50–23:50: quality 0.6NGC 7000 23:50–02:30: quality 0.5NGC 7000 02:30–03:15: quality 0.4NGC 7000 03:15–03:45: quality 0.3NGC 7000 03:45–03:50: quality 0.2observe NGC 7000 19:45–21:30V1057 CygV1057 Cyg 19:15–19:45: quality 0.1V1057 Cyg 19:45–20:20: quality 0.3V1057 Cyg 20:20–20:50: quality 0.7V1057 Cyg 20:50–23:50: quality 0.6V1057 Cyg 23:50–02:30: quality 0.5V1057 Cyg 02:30–03:15: quality 0.4V1057 Cyg 03:15–03:45: quality 0.3V1057 Cyg 03:45–03:50: quality 0.2observe V1057 Cyg 21:30–23:15M33M33 19:45–20:00: quality 0.1M33 20:00–20:20: quality 0.2M33 20:20–22:10: quality 0.4M33 22:10–03:30: quality 0.3M33 03:30–06:00: quality 0.4M33 06:00–06:35: quality 0.2M33 06:35–07:05: quality 0.1observe M33 04:30–06:00scheduleNGC 7000V1057 CygM31M45M42M3320:0022:0000:0002:0004:0006:00

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
18:40–19:45 — nothing worth pointing at — 1.08
19:45–21:30 NGC 7000 1.75 0.55
21:30–23:15 V1057 Cyg 1.75 0.59
23:15–01:00 M31 1.75 0.37
01:00–02:45 M45 1.75 0.38
02:45–04:30 M42 1.75 0.47
04:30–06:00 M33 1.5 0.4
06:00–06:30 — nothing worth pointing at — 0.5
06:30–06:35 M42 0.08 0.3
06:35–07:35 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 48 unknown 20:20–06:00 (marginal) 89.8° at 00:40 39.6° 1.75
M42 Great Orion Nebula 32 unknown 02:10–06:00 (marginal) 42.9° at 05:30 66.8° 1.83
M45 Seven Sisters 45 unknown 22:50–06:00 (marginal) 72.5° at 03:45 43.8° 1.75
NGC 7000 North America Nebula 67 unknown 20:20–22:05 (good) 87.2° at 20:55 69.3° 1.75
V1057 Cyg 67 unknown 20:20–22:05 (good) 87.3° at 20:55 69.3° 1.75
M33 Triangulum Pinwheel 37 unknown 01:50–06:00 (marginal) 79.2° at 01:30 29.2° 1.5
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2038-10-12"

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"}.