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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, 26 October 2030 · astronomical night 19:56 → 05:13 (10.28 h) · Moon 0% (new moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:55–19:25: quality 0.1M31 19:25–19:40: quality 0.4M31 19:40–20:00: quality 0.5M31 20:00–20:25: quality 0.9M31 20:25–03:10: quality 1.0M31 03:10–03:35: quality 0.9M31 03:35–04:30: quality 0.8M31 04:30–04:45: quality 0.7M31 04:45–05:00: quality 0.6M31 05:00–05:15: quality 0.5M31 05:15–05:25: quality 0.2observe M31 23:15–01:10M42M42 00:50–01:00: quality 0.4M42 01:00–01:15: quality 0.5M42 01:15–01:30: quality 0.6M42 01:30–01:45: quality 0.7M42 01:45–02:55: quality 0.8M42 02:55–05:15: quality 0.9M42 05:15–05:50: quality 0.4M42 05:50–06:20: quality 0.1observe M42 04:00–05:50M45M45 21:15–21:20: quality 0.4M45 21:20–21:35: quality 0.5M45 21:35–21:50: quality 0.6M45 21:50–22:00: quality 0.7M45 22:00–22:50: quality 0.8M45 22:50–00:10: quality 0.9M45 00:10–04:30: quality 1.0M45 04:30–05:15: quality 0.9M45 05:15–05:50: quality 0.4M45 05:50–06:20: quality 0.1observe M45 03:05–04:00NGC 7000NGC 7000 18:55–19:25: quality 0.2NGC 7000 19:25–20:00: quality 0.5NGC 7000 20:00–23:30: quality 1.0NGC 7000 23:30–01:00: quality 0.9NGC 7000 01:00–01:55: quality 0.8NGC 7000 01:55–02:10: quality 0.7NGC 7000 02:10–02:30: quality 0.6NGC 7000 02:30–02:45: quality 0.5NGC 7000 02:45–02:55: quality 0.4observe NGC 7000 19:25–21:20V1057 CygV1057 Cyg 18:55–19:25: quality 0.2V1057 Cyg 19:25–20:00: quality 0.5V1057 Cyg 20:00–23:30: quality 1.0V1057 Cyg 23:30–01:00: quality 0.9V1057 Cyg 01:00–01:55: quality 0.8V1057 Cyg 01:55–02:10: quality 0.7V1057 Cyg 02:10–02:30: quality 0.6V1057 Cyg 02:30–02:45: quality 0.5V1057 Cyg 02:45–02:55: quality 0.4observe V1057 Cyg 21:20–23:15M33M33 18:55–19:25: quality 0.1M33 19:25–20:00: quality 0.4M33 20:00–20:15: quality 0.8M33 20:15–21:40: quality 0.9M33 21:40–03:40: quality 1.0M33 03:40–04:00: quality 0.9M33 04:00–04:45: quality 0.8M33 04:45–05:00: quality 0.7M33 05:00–05:15: quality 0.6M33 05:15–05:20: quality 0.3M33 05:20–05:35: quality 0.2observe M33 01:10–03:05scheduleNGC 7000V1057 CygM31M33M45M4220:0022:0000:0002:0004:0006:00

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
18:20–19:25 — nothing worth pointing at — 1.08
19:25–21:20 NGC 7000 1.92 0.85
21:20–23:15 V1057 Cyg 1.92 1.0
23:15–01:10 M31 1.92 1.0
01:10–03:05 M33 1.92 1.0
03:05–04:00 M45 1.92 1.0
04:00–05:50 M42 1.83 0.73
05:50–06:50 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 20:00–04:55 (good) 89.7° at 23:45 148.9° 1.92
M42 Great Orion Nebula 89 unknown 01:20–05:15 (good) 42.9° at 03:35 123.9° 1.83
M45 Seven Sisters 100 unknown 21:40–05:15 (good) 72.5° at 02:50 154.8° 1.92
NGC 7000 North America Nebula 100 unknown 20:00–02:20 (good) 87.2° at 20:00 110.5° 1.92
V1057 Cyg 100 unknown 20:00–02:20 (good) 87.3° at 20:00 110.5° 1.92
M33 Triangulum Pinwheel 100 unknown 20:00–05:10 (good) 79.1° at 00:35 163.5° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-10-26"

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"}.