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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 Saturday, 28 October 2028 · astronomical night 19:53 → 05:16 (10.37 h) · Moon 82% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:50–19:25: quality 0.1M31 19:25–19:55: quality 0.3M31 19:55–23:50: quality 0.5M31 23:50–03:55: quality 0.6M31 03:55–03:25: quality 0.9M31 03:25–04:20: quality 0.8M31 04:20–04:35: quality 0.7M31 04:35–04:50: quality 0.6M31 04:50–05:10: quality 0.5M31 05:10–05:15: quality 0.4observe M31 01:25–03:15M42M42 00:40–00:45: quality 0.3M42 00:45–01:05: quality 0.4M42 01:05–01:25: quality 0.5M42 01:25–01:45: quality 0.6M42 01:45–03:30: quality 0.7M42 03:30–03:55: quality 0.8M42 03:55–05:10: quality 0.9M42 05:10–05:20: quality 0.8M42 05:20–05:50: quality 0.4M42 05:50–06:25: quality 0.1observe M42 03:15–04:05M45M45 21:05–21:25: quality 0.3M45 21:25–21:45: quality 0.4M45 21:45–22:35: quality 0.5M45 22:35–00:10: quality 0.6M45 00:10–02:40: quality 0.7M45 02:40–03:55: quality 0.8M45 03:55–04:20: quality 1.0M45 04:20–05:20: quality 0.9M45 05:20–05:50: quality 0.4M45 05:50–06:25: quality 0.1observe M45 23:35–01:25observe M45 05:20–05:50NGC 7000NGC 7000 18:50–19:25: quality 0.1NGC 7000 19:25–19:55: quality 0.3NGC 7000 19:55–22:50: quality 0.6NGC 7000 22:50–01:55: quality 0.5NGC 7000 01:55–02:25: quality 0.4NGC 7000 02:25–02:45: quality 0.3observe NGC 7000 19:55–21:45V1057 CygV1057 Cyg 18:50–19:25: quality 0.1V1057 Cyg 19:25–19:55: quality 0.3V1057 Cyg 19:55–22:50: quality 0.6V1057 Cyg 22:50–01:55: quality 0.5V1057 Cyg 01:55–02:25: quality 0.4V1057 Cyg 02:25–02:45: quality 0.3observe V1057 Cyg 21:45–23:35M33M33 18:55–19:25: quality 0.1M33 19:25–19:55: quality 0.2M33 19:55–23:55: quality 0.5M33 23:55–02:30: quality 0.6M33 02:30–03:55: quality 0.7M33 03:55–03:50: quality 0.9M33 03:50–04:35: quality 0.8M33 04:35–04:50: quality 0.7M33 04:50–05:05: quality 0.6M33 05:05–05:20: quality 0.5M33 05:20–05:25: quality 0.2observe M33 04:05–05:20scheduleNGC 7000V1057 CygM45M31M42M3320:0022:0000:0002:0004:0006:00

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
18:20–19:55 — nothing worth pointing at — 1.58
19:55–21:45 NGC 7000 1.83 0.56
21:45–23:35 V1057 Cyg 1.83 0.55
23:35–01:25 M45 1.83 0.67
01:25–03:15 M31 1.83 0.63
03:15–04:05 M42 1.83 0.84
04:05–05:20 M33 1.25 0.69
05:20–05:50 M45 0.5 0.43
05:50–06:50 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 88 unknown 01:20–04:45 (good) 89.7° at 23:35 48.0° 1.83
M42 Great Orion Nebula 89 unknown 01:35–05:20 (good) 42.9° at 03:25 97.6° 1.83
M45 Seven Sisters 100 unknown 23:25–05:20 (good) 72.5° at 02:40 72.8° 2.33
NGC 7000 North America Nebula 54 unknown 19:55–02:40 (marginal) 87.2° at 19:50 53.4° 1.83
V1057 Cyg 54 unknown 19:55–02:40 (marginal) 87.3° at 19:50 53.4° 1.83
M33 Triangulum Pinwheel 91 unknown 01:25–05:00 (good) 79.1° at 00:25 47.7° 1.25
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-10-28"

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"}.