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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 Wednesday, 01 October 2031 · astronomical night 20:35 → 05:46 (9.17 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:35–20:05: quality 0.1M31 20:05–20:40: quality 0.2M31 20:40–23:15: quality 0.4M31 23:15–05:50: quality 0.3M31 05:50–06:20: quality 0.2M31 06:20–06:55: quality 0.1observe M31 23:25–00:35M42M42 02:30–02:45: quality 0.2M42 02:45–03:15: quality 0.3M42 03:15–04:30: quality 0.4M42 04:30–05:50: quality 0.5M42 05:50–06:20: quality 0.3M42 06:20–06:55: quality 0.1observe M42 03:40–05:20M45M45 22:55–23:30: quality 0.2M45 23:30–04:10: quality 0.3M45 04:10–05:50: quality 0.4M45 05:50–06:20: quality 0.2M45 06:20–06:55: quality 0.1observe M45 02:00–03:40NGC 7000NGC 7000 19:35–20:05: quality 0.1NGC 7000 20:05–20:40: quality 0.3NGC 7000 20:40–20:55: quality 0.7NGC 7000 20:55–23:10: quality 0.6NGC 7000 23:10–01:50: quality 0.5NGC 7000 01:50–03:45: quality 0.4NGC 7000 03:45–04:20: quality 0.3NGC 7000 04:20–04:35: quality 0.2observe NGC 7000 20:05–21:45observe NGC 7000 00:35–02:00V1057 CygV1057 Cyg 19:35–20:05: quality 0.1V1057 Cyg 20:05–20:40: quality 0.3V1057 Cyg 20:40–20:55: quality 0.7V1057 Cyg 20:55–23:10: quality 0.6V1057 Cyg 23:10–01:50: quality 0.5V1057 Cyg 01:50–03:45: quality 0.4V1057 Cyg 03:45–04:20: quality 0.3V1057 Cyg 04:20–04:35: quality 0.2observe V1057 Cyg 21:45–23:25M33M33 20:20–20:40: quality 0.1M33 20:40–21:05: quality 0.3M33 21:05–22:10: quality 0.4M33 22:10–05:40: quality 0.3M33 05:40–05:50: quality 0.4M33 05:50–06:20: quality 0.2M33 06:20–06:55: quality 0.1observe M33 05:20–05:50scheduleNGC 7000V1057 CygM31NGC 7000M45M4220:0022:0000:0002:0004:0006:00

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 0.53
21:45–23:25 V1057 Cyg 1.67 0.57
23:25–00:35 M31 1.17 0.32
00:35–02:00 NGC 7000 1.42 0.47
02:00–03:40 M45 1.67 0.32
03:40–05:20 M42 1.67 0.45
05:20–05:50 M33 0.5 0.35
05:50–07:20 — nothing worth pointing at — 1.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 36 unknown 20:40–00:35 (marginal) 89.7° at 01:25 31.4° 1.17
M42 Great Orion Nebula 20 unknown 03:00–05:50 (marginal) 42.9° at 06:15 65.2° 1.67
M45 Seven Sisters 25 unknown 02:00–05:50 (marginal) 72.5° at 04:25 36.7° 1.67
NGC 7000 North America Nebula 66 unknown 20:40–21:55 (good) 87.2° at 21:40 65.0° 3.08
V1057 Cyg 66 unknown 20:40–21:55 (good) 87.3° at 21:40 64.9° 1.67
M33 Triangulum Pinwheel 28 unknown 20:50–00:15 (marginal) 79.1° at 02:15 19.7° 0.5

💡 API
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-10-01"

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"}.