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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 Saturday, 20 October 2029 · astronomical night 20:04 → 06:07 (10.05 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:05–19:35: quality 0.1M31 19:35–20:05: quality 0.2M31 20:05–21:35: quality 0.4M31 21:35–02:30: quality 0.3M31 02:30–06:10: quality 0.4M31 06:10–06:35: quality 0.2M31 06:35–06:50: quality 0.1observe M31 05:15–06:10M42M42 01:15–01:20: quality 0.2M42 01:20–01:45: quality 0.3M42 01:45–02:10: quality 0.4M42 02:10–03:30: quality 0.5M42 03:30–06:10: quality 0.6M42 06:10–06:40: quality 0.3M42 06:40–07:15: quality 0.1observe M42 01:35–03:25observe M42 06:10–06:40M45M45 21:35–22:05: quality 0.2M45 22:05–23:40: quality 0.3M45 23:40–02:40: quality 0.4M45 02:40–04:40: quality 0.5M45 04:40–06:10: quality 0.6M45 06:10–06:40: quality 0.3M45 06:40–07:15: quality 0.1observe M45 23:45–01:35NGC 7000NGC 7000 19:05–19:35: quality 0.1NGC 7000 19:35–20:05: quality 0.3NGC 7000 20:05–20:25: quality 0.6NGC 7000 20:25–23:35: quality 0.5NGC 7000 23:35–02:25: quality 0.4NGC 7000 02:25–03:05: quality 0.3NGC 7000 03:05–03:20: quality 0.2observe NGC 7000 20:05–21:55V1057 CygV1057 Cyg 19:05–19:35: quality 0.1V1057 Cyg 19:35–20:05: quality 0.3V1057 Cyg 20:05–20:25: quality 0.6V1057 Cyg 20:25–23:35: quality 0.5V1057 Cyg 23:35–02:25: quality 0.4V1057 Cyg 02:25–03:05: quality 0.3V1057 Cyg 03:05–03:20: quality 0.2observe V1057 Cyg 21:55–23:45M33M33 19:35–19:40: quality 0.1M33 19:40–20:05: quality 0.2M33 20:05–02:45: quality 0.3M33 02:45–06:10: quality 0.4M33 06:10–06:40: quality 0.2M33 06:40–07:00: quality 0.1observe M33 03:25–05:15scheduleNGC 7000V1057 CygM45M42M33M3120:0022:0000:0002:0004:0006:00

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
18:30–20:05 — nothing worth pointing at — 1.58
20:05–21:55 NGC 7000 1.83 0.53
21:55–23:45 V1057 Cyg 1.83 0.47
23:45–01:35 M45 1.83 0.38
01:35–03:25 M42 1.83 0.47
03:25–05:15 M33 1.83 0.41
05:15–06:10 M31 0.92 0.42
06:10–06:40 M42 0.5 0.33
06:40–07:45 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 41 unknown 00:45–06:10 (marginal) 89.5° at 00:05 32.2° 0.92
M42 Great Orion Nebula 46 unknown 04:35–06:10 (good) 42.9° at 05:00 76.1° 2.33
M45 Seven Sisters 58 unknown 22:20–06:10 (marginal) 72.5° at 03:10 47.9° 1.83
NGC 7000 North America Nebula 47 unknown 20:05–02:45 (marginal) 87.2° at 20:25 58.3° 1.83
V1057 Cyg 47 unknown 20:05–02:45 (marginal) 87.3° at 20:25 58.3° 1.83
M33 Triangulum Pinwheel 41 unknown 01:25–06:10 (marginal) 79.1° at 01:00 25.5° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-10-20"

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"}.