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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 Thursday, 30 October 2031 · astronomical night 18:52 → 05:17 (10.42 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:50–18:25: quality 0.1M31 18:25–18:35: quality 0.3M31 18:35–18:55: quality 0.2M31 18:55–20:05: quality 0.5M31 20:05–21:50: quality 0.4M31 21:50–04:40: quality 0.3M31 04:40–05:10: quality 0.2observe M31 22:05–23:20observe M31 03:40–04:10M42M42 23:35–23:40: quality 0.1M42 23:40–00:25: quality 0.2M42 00:25–02:55: quality 0.3M42 02:55–05:20: quality 0.4M42 05:20–05:50: quality 0.2M42 05:50–06:25: quality 0.1observe M42 01:20–03:10M45M45 20:00–20:35: quality 0.2M45 20:35–23:40: quality 0.3M45 23:40–01:35: quality 0.2M45 01:35–04:40: quality 0.3M45 04:40–05:20: quality 0.4M45 05:20–05:50: quality 0.2M45 05:50–06:25: quality 0.1observe M45 03:10–03:40observe M45 04:10–05:20NGC 7000NGC 7000 17:50–18:25: quality 0.1NGC 7000 18:25–18:55: quality 0.4NGC 7000 18:55–20:15: quality 0.7NGC 7000 20:15–22:20: quality 0.6NGC 7000 22:20–00:25: quality 0.5NGC 7000 00:25–01:00: quality 0.4NGC 7000 01:00–01:35: quality 0.3NGC 7000 01:35–01:40: quality 0.2observe NGC 7000 18:25–20:15observe NGC 7000 23:20–01:15V1057 CygV1057 Cyg 17:50–18:25: quality 0.1V1057 Cyg 18:25–18:55: quality 0.4V1057 Cyg 18:55–20:15: quality 0.7V1057 Cyg 20:15–22:20: quality 0.6V1057 Cyg 22:20–00:25: quality 0.5V1057 Cyg 00:25–01:00: quality 0.4V1057 Cyg 01:00–01:30: quality 0.3V1057 Cyg 01:30–01:40: quality 0.2observe V1057 Cyg 20:15–22:05M33M33 17:50–18:25: quality 0.1M33 18:25–18:55: quality 0.2M33 18:55–21:05: quality 0.4M33 21:05–23:40: quality 0.3M33 23:40–01:35: quality 0.2M33 01:35–04:45: quality 0.3M33 04:45–05:20: quality 0.2scheduleNGC 7000V1057 CygM31NGC 7000M42M4518:0020:0022:0000:0002:0004:0006:00

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 0.59
20:15–22:05 V1057 Cyg 1.83 0.62
22:05–23:20 M31 1.25 0.32
23:20–01:15 NGC 7000 1.92 0.43
01:15–01:20 — nothing worth pointing at — 0.08
01:20–03:10 M42 1.83 0.33
03:10–03:40 M45 0.5 0.31
03:40–04:10 M31 0.5 0.3
04:10–05:20 M45 1.17 0.35
05:20–06:55 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 43 unknown 18:55–23:20 (marginal) 89.7° at 22:30 36.5° 1.75
M42 Great Orion Nebula 22 unknown 01:20–05:20 (marginal) 42.9° at 03:20 46.8° 1.83
M45 Seven Sisters 25 unknown 03:10–05:20 (marginal) 72.5° at 01:35 15.6° 1.67
NGC 7000 North America Nebula 68 unknown 18:55–21:35 (good) 87.2° at 18:45 76.6° 3.75
V1057 Cyg 68 unknown 18:55–21:35 (good) 87.3° at 18:45 76.6° 1.83
M33 Triangulum Pinwheel 33 unknown 18:55–22:05 (marginal) 79.1° at 23:20 22.0° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-10-30"

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"}.