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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, 29 October 2028 · astronomical night 18:52 → 05:17 (10.41 h) · Moon 89% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:50–18:25: quality 0.1M31 18:25–18:55: quality 0.2M31 18:55–23:30: quality 0.4M31 23:30–03:55: quality 0.5M31 03:55–04:15: quality 0.8M31 04:15–04:30: quality 0.7M31 04:30–04:45: quality 0.6M31 04:45–05:05: quality 0.5M31 05:05–05:10: quality 0.4observe M31 04:05–05:10M42M42 23:35–23:50: quality 0.3M42 23:50–00:10: quality 0.4M42 00:10–00:35: quality 0.5M42 00:35–01:50: quality 0.6M42 01:50–03:55: quality 0.7M42 03:55–05:05: quality 0.9M42 05:05–05:20: quality 0.8M42 05:20–05:50: quality 0.4M42 05:50–06:25: quality 0.1observe M42 00:25–02:15M45M45 20:00–20:10: quality 0.2M45 20:10–20:35: quality 0.3M45 20:35–21:20: quality 0.4M45 21:20–23:20: quality 0.5M45 23:20–01:55: quality 0.6M45 01:55–03:55: quality 0.7M45 03:55–04:15: quality 1.0M45 04:15–05:20: quality 0.9M45 05:20–05:50: quality 0.4M45 05:50–06:25: quality 0.1observe M45 22:35–00:25observe M45 05:10–05:50NGC 7000NGC 7000 17:50–18:25: quality 0.1NGC 7000 18:25–18:55: quality 0.3NGC 7000 18:55–19:00: quality 0.6NGC 7000 19:00–00:35: quality 0.5NGC 7000 00:35–01:05: quality 0.4NGC 7000 01:05–01:40: quality 0.3observe NGC 7000 18:55–20:45V1057 CygV1057 Cyg 17:50–18:25: quality 0.1V1057 Cyg 18:25–18:55: quality 0.3V1057 Cyg 18:55–19:00: quality 0.6V1057 Cyg 19:00–00:35: quality 0.5V1057 Cyg 00:35–01:05: quality 0.4V1057 Cyg 01:05–01:40: quality 0.3observe V1057 Cyg 20:45–22:35M33M33 18:05–18:25: quality 0.1M33 18:25–18:55: quality 0.2M33 18:55–23:55: quality 0.4M33 23:55–02:50: quality 0.5M33 02:50–03:55: quality 0.6M33 03:55–04:35: quality 0.8M33 04:35–04:45: quality 0.7M33 04:45–05:00: quality 0.6M33 05:00–05:15: quality 0.5M33 05:15–05:20: quality 0.4M33 05:20–05:25: quality 0.2observe M33 02:15–04:05scheduleNGC 7000V1057 CygM45M42M33M3118:0020:0022:0000:0002:0004:0006:00

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
18:55–20:45 NGC 7000 1.83 0.53
20:45–22:35 V1057 Cyg 1.83 0.5
22:35–00:25 M45 1.83 0.55
00:25–02:15 M42 1.83 0.62
02:15–04:05 M33 1.83 0.58
04:05–05:10 M31 1.08 0.61
05:10–05:50 M45 0.67 0.54
05:50–06:55 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 81 unknown 03:55–04:40 (good) 89.7° at 22:30 39.5° 1.08
M42 Great Orion Nebula 88 unknown 01:00–05:20 (good) 42.9° at 03:20 87.4° 1.83
M45 Seven Sisters 97 unknown 00:40–05:20 (good) 72.5° at 01:35 61.0° 2.5
NGC 7000 North America Nebula 47 unknown 18:55–01:25 (marginal) 87.2° at 18:45 54.8° 1.83
V1057 Cyg 47 unknown 18:55–01:25 (marginal) 87.3° at 18:45 54.8° 1.83
M33 Triangulum Pinwheel 83 unknown 03:55–04:55 (good) 79.1° at 23:20 36.8° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-10-29"

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"}.