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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, 02 October 2039 · astronomical night 20:33 → 05:47 (9.22 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:30–20:05: quality 0.1M31 20:05–20:35: quality 0.2M31 20:35–22:05: quality 0.5M31 22:05–05:50: quality 0.4M31 05:50–06:20: quality 0.2M31 06:20–06:55: quality 0.1observe M31 23:25–01:05M42M42 02:25–02:35: quality 0.2M42 02:35–03:05: quality 0.3M42 03:05–03:50: quality 0.4M42 03:50–05:50: quality 0.5M42 05:50–06:20: quality 0.3M42 06:20–06:55: quality 0.1observe M42 03:50–05:30M45M45 22:50–23:15: quality 0.2M45 23:15–01:15: quality 0.3M45 01:15–04:45: quality 0.4M45 04:45–05:50: quality 0.5M45 05:50–06:20: quality 0.3M45 06:20–06:55: quality 0.1observe M45 01:05–02:45NGC 7000NGC 7000 19:30–19:35: quality 0.2NGC 7000 19:35–20:05: quality 0.1NGC 7000 20:05–20:25: quality 0.4NGC 7000 20:25–20:35: quality 0.3NGC 7000 20:35–21:25: quality 0.7NGC 7000 21:25–00:25: quality 0.6NGC 7000 00:25–03:00: quality 0.5NGC 7000 03:00–03:55: quality 0.4NGC 7000 03:55–04:25: quality 0.3NGC 7000 04:25–04:30: quality 0.2observe NGC 7000 20:05–21:45V1057 CygV1057 Cyg 19:30–19:35: quality 0.2V1057 Cyg 19:35–20:05: quality 0.1V1057 Cyg 20:05–20:25: quality 0.4V1057 Cyg 20:25–20:35: quality 0.3V1057 Cyg 20:35–21:25: quality 0.7V1057 Cyg 21:25–00:25: quality 0.6V1057 Cyg 00:25–03:00: quality 0.5V1057 Cyg 03:00–03:50: quality 0.4V1057 Cyg 03:50–04:25: quality 0.3V1057 Cyg 04:25–04:30: quality 0.2observe V1057 Cyg 21:45–23:25M33M33 20:15–20:35: quality 0.1M33 20:35–21:00: quality 0.3M33 21:00–22:50: quality 0.4M33 22:50–04:15: quality 0.3M33 04:15–05:50: quality 0.4M33 05:50–06:20: quality 0.2M33 06:20–06:55: quality 0.1observe M33 02:45–03:50observe M33 05:30–05:50scheduleNGC 7000V1057 CygM31M45M33M4220:0022:0000:0002:0004:0006:00

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
19:00–20:05 — nothing worth pointing at — 1.08
20:05–21:45 NGC 7000 1.67 0.57
21:45–23:25 V1057 Cyg 1.67 0.6
23:25–01:05 M31 1.67 0.38
01:05–02:45 M45 1.67 0.37
02:45–03:50 M33 1.08 0.32
03:50–05:30 M42 1.67 0.49
05:30–05:50 M33 0.33 0.39
05:50–07:20 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 48 unknown 20:35–05:50 (marginal) 89.8° at 01:20 39.1° 1.67
M42 Great Orion Nebula 23 unknown 02:50–05:50 (marginal) 42.9° at 06:10 67.0° 1.67
M45 Seven Sisters 35 unknown 23:30–05:50 (marginal) 72.5° at 04:25 43.6° 1.67
NGC 7000 North America Nebula 69 unknown 20:35–22:40 (good) 87.2° at 21:35 68.8° 1.67
V1057 Cyg 69 unknown 20:35–22:40 (good) 87.3° at 21:35 68.7° 1.67
M33 Triangulum Pinwheel 32 unknown 20:40–01:05 (marginal) 79.2° at 02:10 28.6° 1.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-10-02"

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"}.