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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, 29 October 2031 · astronomical night 18:53 → 05:16 (10.38 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:50–18:25: quality 0.1M31 18:25–18:55: quality 0.2M31 18:55–20:40: quality 0.4M31 20:40–04:55: quality 0.3M31 04:55–05:15: quality 0.2observe M31 04:05–04:30M42M42 23:40–00:05: quality 0.2M42 00:05–00:45: quality 0.3M42 00:45–03:05: quality 0.4M42 03:05–05:20: quality 0.5M42 05:20–05:50: quality 0.3M42 05:50–06:25: quality 0.1observe M42 00:25–02:15observe M42 04:50–05:20M45M45 20:05–20:55: quality 0.2M45 20:55–21:35: quality 0.3M45 21:35–23:40: quality 0.2M45 23:40–03:05: quality 0.3M45 03:05–05:20: quality 0.4M45 05:20–05:50: quality 0.2M45 05:50–06:25: quality 0.1observe M45 02:15–04:05NGC 7000NGC 7000 17:50–18:25: quality 0.1NGC 7000 18:25–18:55: quality 0.3NGC 7000 18:55–21:15: quality 0.6NGC 7000 21:15–23:25: quality 0.5NGC 7000 23:25–00:55: quality 0.4NGC 7000 00:55–01:30: quality 0.3NGC 7000 01:30–01:45: quality 0.2observe NGC 7000 18:25–20:15V1057 CygV1057 Cyg 17:50–18:25: quality 0.1V1057 Cyg 18:25–18:55: quality 0.3V1057 Cyg 18:55–21:15: quality 0.6V1057 Cyg 21:15–23:25: quality 0.5V1057 Cyg 23:25–00:55: quality 0.4V1057 Cyg 00:55–01:30: quality 0.3V1057 Cyg 01:30–01:45: quality 0.2observe V1057 Cyg 20:15–00:25M33M33 18:05–18:25: quality 0.1M33 18:25–18:55: quality 0.2M33 18:55–19:50: quality 0.4M33 19:50–05:10: quality 0.3M33 05:10–05:20: quality 0.2M33 05:20–05:25: quality 0.1observe M33 04:30–04:50scheduleNGC 7000V1057 CygM42M4518:0020:0022:0000:0002:0004:0006:00

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
17:15–18:25 — nothing worth pointing at — 1.17
18:25–20:15 NGC 7000 1.83 0.53
20:15–00:25 V1057 Cyg 4.17 0.5
00:25–02:15 M42 1.83 0.37
02:15–04:05 M45 1.83 0.35
04:05–04:30 M31 0.42 0.33
04:30–04:50 M33 0.33 0.32
04:50–05:20 M42 0.5 0.52
05:20–06:55 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 35 unknown 18:55–21:45 (marginal) 89.6° at 22:35 31.9° 0.42
M42 Great Orion Nebula 33 unknown 00:25–05:20 (marginal) 42.9° at 03:25 57.9° 2.33
M45 Seven Sisters 31 unknown 02:05–05:20 (marginal) 72.5° at 01:35 28.4° 1.83
NGC 7000 North America Nebula 57 unknown 18:55–19:50 (good) 87.2° at 18:50 69.2° 1.83
V1057 Cyg 57 unknown 18:55–19:50 (good) 87.3° at 18:50 69.2° 4.17
M33 Triangulum Pinwheel 30 unknown 18:55–21:30 (marginal) 79.1° at 23:25 17.9° 0.33
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-10-29"

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"}.