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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 Sunday, 26 October 2042 · astronomical night 18:56 → 05:13 (10.28 h) · Moon 94% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:55–18:25: quality 0.1M31 18:25–19:00: quality 0.2M31 19:00–19:10: quality 0.5M31 19:10–01:05: quality 0.4M31 01:05–04:40: quality 0.5M31 04:40–04:45: quality 0.4M31 04:45–05:00: quality 0.6M31 05:00–05:15: quality 0.5M31 05:15–05:25: quality 0.2observe M31 00:10–02:05M42M42 23:50–00:15: quality 0.3M42 00:15–00:40: quality 0.4M42 00:40–01:30: quality 0.5M42 01:30–03:30: quality 0.6M42 03:30–04:45: quality 0.7M42 04:45–05:15: quality 0.9M42 05:15–05:50: quality 0.4M42 05:50–06:20: quality 0.1observe M42 02:05–04:00M45M45 20:15–20:30: quality 0.2M45 20:30–20:55: quality 0.3M45 20:55–23:05: quality 0.4M45 23:05–01:45: quality 0.5M45 01:45–03:50: quality 0.6M45 03:50–04:45: quality 0.7M45 04:45–05:15: quality 0.9M45 05:15–05:50: quality 0.4M45 05:50–06:20: quality 0.1observe M45 22:15–00:10observe M45 05:15–05:50NGC 7000NGC 7000 17:55–18:25: quality 0.1NGC 7000 18:25–19:00: quality 0.3NGC 7000 19:00–20:40: quality 0.6NGC 7000 20:40–00:45: quality 0.5NGC 7000 00:45–01:20: quality 0.4NGC 7000 01:20–01:55: quality 0.3observe NGC 7000 18:25–20:20V1057 CygV1057 Cyg 17:55–18:25: quality 0.1V1057 Cyg 18:25–19:00: quality 0.3V1057 Cyg 19:00–20:40: quality 0.6V1057 Cyg 20:40–00:45: quality 0.5V1057 Cyg 00:45–01:20: quality 0.4V1057 Cyg 01:20–01:55: quality 0.3observe V1057 Cyg 20:20–22:15M33M33 18:20–18:25: quality 0.1M33 18:25–19:00: quality 0.2M33 19:00–01:50: quality 0.4M33 01:50–04:45: quality 0.5M33 04:45–05:00: quality 0.7M33 05:00–05:15: quality 0.6M33 05:15–05:25: quality 0.3M33 05:25–05:35: quality 0.2observe M33 04:00–05:15scheduleNGC 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
17:20–18:25 — nothing worth pointing at — 1.08
18:25–20:20 NGC 7000 1.92 0.5
20:20–22:15 V1057 Cyg 1.92 0.54
22:15–00:10 M45 1.92 0.46
00:10–02:05 M31 1.92 0.45
02:05–04:00 M42 1.92 0.63
04:00–05:15 M33 1.25 0.56
05:15–05:50 M45 0.58 0.44
05:50–06:50 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 64 unknown 04:45–04:55 (good) 89.8° at 22:45 39.8° 1.92
M42 Great Orion Nebula 76 unknown 02:25–05:15 (good) 42.9° at 03:35 77.6° 1.92
M45 Seven Sisters 93 unknown 02:50–05:15 (good) 72.5° at 01:50 53.4° 2.5
NGC 7000 North America Nebula 55 unknown 19:00–19:05 (good) 87.2° at 19:00 62.4° 1.92
V1057 Cyg 54 unknown 19:00–19:05 (good) 87.3° at 19:00 62.4° 1.92
M33 Triangulum Pinwheel 75 unknown 04:45–05:10 (good) 79.2° at 23:35 33.2° 1.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2042-10-26"

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"}.