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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, 07 October 2030 · astronomical night 20:25 → 05:52 (9.46 h) · Moon 87% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:25–19:55: quality 0.1M31 19:55–20:30: quality 0.3M31 20:30–21:45: quality 0.5M31 21:45–02:10: quality 0.6M31 02:10–04:10: quality 0.7M31 04:10–04:25: quality 1.0M31 04:25–05:50: quality 0.9M31 05:50–05:55: quality 0.8M31 05:55–06:30: quality 0.4M31 06:30–07:00: quality 0.1observe M31 22:15–00:00M42M42 02:05–02:25: quality 0.4M42 02:25–02:40: quality 0.5M42 02:40–03:00: quality 0.6M42 03:00–03:55: quality 0.7M42 03:55–04:10: quality 0.8M42 04:10–05:55: quality 0.9M42 05:55–06:30: quality 0.4M42 06:30–07:00: quality 0.1observe M42 03:30–05:15M45M45 22:30–22:40: quality 0.3M45 22:40–23:00: quality 0.4M45 23:00–23:20: quality 0.5M45 23:20–00:30: quality 0.6M45 00:30–01:55: quality 0.7M45 01:55–04:10: quality 0.8M45 04:10–05:55: quality 1.0M45 05:55–06:30: quality 0.5M45 06:30–07:00: quality 0.1observe M45 00:00–01:45observe M45 05:15–06:30NGC 7000NGC 7000 19:25–19:55: quality 0.1NGC 7000 19:55–20:30: quality 0.3NGC 7000 20:30–21:10: quality 0.6NGC 7000 21:10–23:40: quality 0.5NGC 7000 23:40–00:30: quality 0.6NGC 7000 00:30–03:25: quality 0.5NGC 7000 03:25–03:55: quality 0.4NGC 7000 03:55–04:10: quality 0.3observe NGC 7000 20:30–22:15V1057 CygV1057 Cyg 19:25–19:55: quality 0.1V1057 Cyg 19:55–20:30: quality 0.3V1057 Cyg 20:30–21:10: quality 0.6V1057 Cyg 21:10–23:40: quality 0.5V1057 Cyg 23:40–00:30: quality 0.6V1057 Cyg 00:30–03:25: quality 0.5V1057 Cyg 03:25–03:55: quality 0.4V1057 Cyg 03:55–04:10: quality 0.3M33M33 19:55–20:05: quality 0.1M33 20:05–20:30: quality 0.2M33 20:30–20:45: quality 0.4M33 20:45–22:50: quality 0.5M33 22:50–01:55: quality 0.6M33 01:55–04:10: quality 0.7M33 04:10–04:55: quality 1.0M33 04:55–05:55: quality 0.9M33 05:55–06:30: quality 0.4M33 06:30–07:00: quality 0.1observe M33 01:45–03:30scheduleNGC 7000M31M45M33M42M4520:0022:0000:0002:0004:0006:00

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
18:50–20:30 — nothing worth pointing at — 1.67
20:30–22:15 NGC 7000 1.75 0.55
22:15–00:00 M31 1.75 0.57
00:00–01:45 M45 1.75 0.67
01:45–03:30 M33 1.75 0.68
03:30–05:15 M42 1.75 0.82
05:15–06:30 M45 1.25 0.76
06:30–07:30 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 96 unknown 00:40–05:55 (good) 89.7° at 01:00 58.6° 1.75
M42 Great Orion Nebula 70 unknown 02:50–05:55 (good) 42.9° at 05:50 110.4° 1.75
M45 Seven Sisters 100 unknown 23:45–05:55 (good) 72.5° at 04:00 87.0° 3.0
NGC 7000 North America Nebula 56 unknown 20:30–04:05 (marginal) 87.2° at 21:15 52.7° 1.75
V1057 Cyg 56 unknown 20:30–04:05 (marginal) 87.3° at 21:15 52.6° 0.0
M33 Triangulum Pinwheel 100 unknown 00:10–05:55 (good) 79.1° at 01:50 60.8° 1.75

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-10-07"

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"}.