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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 Monday, 30 October 2028 · astronomical night 18:51 → 05:18 (10.45 h) · Moon 94% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:50–18:20: quality 0.1M31 18:20–18:55: quality 0.2M31 18:55–20:35: quality 0.4M31 20:35–23:55: quality 0.3M31 23:55–03:30: quality 0.4M31 03:30–04:05: quality 0.5M31 04:05–04:40: quality 0.4M31 04:40–04:55: quality 0.3M31 04:55–05:00: quality 0.5M31 05:00–05:10: quality 0.4observe M31 02:35–04:30M42M42 23:35–00:00: quality 0.3M42 00:00–00:25: quality 0.4M42 00:25–01:30: quality 0.5M42 01:30–03:45: quality 0.6M42 03:45–04:55: quality 0.7M42 04:55–05:00: 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 00:40–02:35M45M45 19:55–20:15: quality 0.2M45 20:15–20:50: quality 0.3M45 20:50–00:00: quality 0.4M45 00:00–02:30: quality 0.5M45 02:30–04:55: quality 0.6M45 04:55–05:20: quality 0.9M45 05:20–05:55: quality 0.4M45 05:55–06:25: quality 0.1observe M45 22:45–00:40observe M45 05:20–05:55NGC 7000NGC 7000 17:50–18:20: quality 0.1NGC 7000 18:20–18:55: quality 0.3NGC 7000 18:55–19:00: quality 0.6NGC 7000 19:00–22:25: quality 0.5NGC 7000 22:25–00:50: quality 0.4NGC 7000 00:50–01:30: quality 0.3NGC 7000 01:30–01:40: quality 0.2observe NGC 7000 18:55–20:50V1057 CygV1057 Cyg 17:50–18:20: quality 0.1V1057 Cyg 18:20–18:55: quality 0.3V1057 Cyg 18:55–19:00: quality 0.6V1057 Cyg 19:00–22:25: quality 0.5V1057 Cyg 22:25–00:50: quality 0.4V1057 Cyg 00:50–01:30: quality 0.3V1057 Cyg 01:30–01:40: quality 0.2observe V1057 Cyg 20:50–22:45M33M33 18:10–18:20: quality 0.1M33 18:20–18:55: quality 0.2M33 18:55–00:20: quality 0.3M33 00:20–03:15: quality 0.4M33 03:15–04:30: quality 0.5M33 04:30–04:55: quality 0.4M33 04:55–05:10: quality 0.5M33 05:10–05:20: quality 0.4observe M33 04:30–05:20scheduleNGC 7000V1057 CygM45M42M31M3318:0020:0022:0000:0002:0004:0006:00

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
17:15–18:55 — nothing worth pointing at — 1.67
18:55–20:50 NGC 7000 1.92 0.52
20:50–22:45 V1057 Cyg 1.92 0.47
22:45–00:40 M45 1.92 0.44
00:40–02:35 M42 1.92 0.56
02:35–04:30 M31 1.92 0.44
04:30–05:20 M33 0.83 0.44
05:20–05:55 M45 0.58 0.42
05:55–06:55 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 46 unknown 18:55–05:10 (marginal) 89.6° at 22:25 32.6° 1.92
M42 Great Orion Nebula 78 unknown 02:25–05:20 (good) 42.9° at 03:20 77.2° 1.92
M45 Seven Sisters 89 unknown 03:25–05:20 (good) 72.5° at 01:30 49.1° 2.5
NGC 7000 North America Nebula 44 unknown 18:55–01:10 (marginal) 87.2° at 18:45 57.9° 1.92
V1057 Cyg 44 unknown 18:55–01:10 (marginal) 87.3° at 18:45 57.8° 1.92
M33 Triangulum Pinwheel 55 unknown 18:55–05:20 (marginal) 79.1° at 23:20 26.4° 0.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-10-30"

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"}.