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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 Friday, 31 October 2036 · astronomical night 18:50 → 05:19 (10.49 h) · Moon 90% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:50–18:20: quality 0.1M31 18:20–18:35: quality 0.3M31 18:35–18:55: quality 0.2M31 18:55–02:40: quality 0.5M31 02:40–03:50: quality 0.6M31 03:50–04:10: quality 0.8M31 04:10–04:25: quality 0.7M31 04:25–04:40: quality 0.6M31 04:40–04:55: quality 0.5M31 04:55–05:05: quality 0.4observe M31 00:20–02:20M42M42 23:30–23:45: quality 0.3M42 23:45–00:10: quality 0.4M42 00:10–00:35: quality 0.5M42 00:35–02:20: quality 0.6M42 02:20–03:50: quality 0.7M42 03:50–05:00: quality 0.9M42 05:00–05:20: quality 0.8M42 05:20–05:55: quality 0.4M42 05:55–06:25: quality 0.1observe M42 02:20–04:20M45M45 19:55–20:00: quality 0.2M45 20:00–20:25: quality 0.3M45 20:25–21:10: quality 0.4M45 21:10–23:25: quality 0.5M45 23:25–02:15: quality 0.6M45 02:15–03:50: quality 0.7M45 03:50–04:10: quality 1.0M45 04:10–05:20: quality 0.9M45 05:20–05:55: quality 0.4M45 05:55–06:25: quality 0.1observe M45 22:20–00:20observe M45 05:15–05:55NGC 7000NGC 7000 17:50–18:20: quality 0.1NGC 7000 18:20–18:55: quality 0.3NGC 7000 18:55–22:00: quality 0.6NGC 7000 22:00–00:35: quality 0.5NGC 7000 00:35–01:05: quality 0.4NGC 7000 01:05–01:35: quality 0.3observe NGC 7000 18:20–20:20V1057 CygV1057 Cyg 17:50–18:20: quality 0.1V1057 Cyg 18:20–18:55: quality 0.3V1057 Cyg 18:55–22:00: quality 0.6V1057 Cyg 22:00–00:35: quality 0.5V1057 Cyg 00:35–01:05: quality 0.4V1057 Cyg 01:05–01:35: quality 0.3observe V1057 Cyg 20:20–22:20M33M33 17:50–18:20: quality 0.1M33 18:20–18:55: quality 0.2M33 18:55–23:25: quality 0.4M33 23:25–02:55: quality 0.5M33 02:55–03:50: quality 0.6M33 03:50–04:25: quality 0.8M33 04:25–04:40: quality 0.7M33 04:40–04:55: quality 0.6M33 04:55–05:10: quality 0.5M33 05:10–05:15: quality 0.4observe M33 04:20–05:15scheduleNGC 7000V1057 CygM45M31M42M3318:0020:0022:0000:0002:0004:0006:00

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
17:15–18:20 — nothing worth pointing at — 1.08
18:20–20:20 NGC 7000 2.0 0.52
20:20–22:20 V1057 Cyg 2.0 0.57
22:20–00:20 M45 2.0 0.54
00:20–02:20 M31 2.0 0.54
02:20–04:20 M42 2.0 0.73
04:20–05:15 M33 0.92 0.59
05:15–05:55 M45 0.67 0.48
05:55–06:55 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 81 unknown 03:50–04:30 (good) 89.6° at 22:25 44.3° 2.0
M42 Great Orion Nebula 88 unknown 01:20–05:20 (good) 42.9° at 03:15 80.0° 2.0
M45 Seven Sisters 97 unknown 01:00–05:20 (good) 72.5° at 01:25 57.9° 2.67
NGC 7000 North America Nebula 58 unknown 18:55–19:45 (good) 87.2° at 18:40 64.0° 2.0
V1057 Cyg 58 unknown 18:55–19:45 (good) 87.3° at 18:40 64.0° 2.0
M33 Triangulum Pinwheel 83 unknown 03:50–04:45 (good) 79.2° at 23:15 38.2° 0.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2036-10-31"

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"}.