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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, 11 August 2030 · astronomical night 22:14 → 04:38 (6.41 h) · Moon 97% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 22:05–22:10: quality 0.1M31 22:10–22:15: quality 0.2M31 22:15–22:20: quality 0.3M31 22:20–22:45: quality 0.4M31 22:45–23:05: quality 0.5M31 23:05–00:50: quality 0.6M31 00:50–03:05: quality 0.7M31 03:05–04:40: quality 0.8M31 04:40–05:05: quality 0.4M31 05:05–05:20: quality 0.5M31 05:20–06:00: quality 0.2observe M31 23:35–01:05M42M42 05:50–06:00: quality 0.1M45M45 02:15–02:30: quality 0.4M45 02:30–02:45: quality 0.5M45 02:45–03:00: quality 0.6M45 03:00–03:30: quality 0.7M45 03:30–04:40: quality 0.8M45 04:40–05:05: quality 0.4M45 05:05–05:20: quality 0.5M45 05:20–05:50: quality 0.1M45 05:50–06:00: quality 0.2observe M45 03:50–05:20NGC 7000NGC 7000 21:00–21:35: quality 0.1NGC 7000 21:35–22:15: quality 0.3NGC 7000 22:15–03:25: quality 0.6NGC 7000 03:25–04:40: quality 0.7NGC 7000 04:40–05:05: quality 0.3NGC 7000 05:05–05:15: quality 0.5NGC 7000 05:15–05:20: quality 0.4NGC 7000 05:20–06:00: quality 0.1observe NGC 7000 22:05–23:35V1057 CygV1057 Cyg 21:00–21:35: quality 0.1V1057 Cyg 21:35–22:15: quality 0.3V1057 Cyg 22:15–03:25: quality 0.6V1057 Cyg 03:25–04:40: quality 0.7V1057 Cyg 04:40–05:05: quality 0.3V1057 Cyg 05:05–05:15: quality 0.5V1057 Cyg 05:15–05:20: quality 0.4V1057 Cyg 05:20–06:00: quality 0.1observe V1057 Cyg 02:35–03:50M33M33 23:40–23:50: quality 0.3M33 23:50–00:10: quality 0.4M33 00:10–00:25: quality 0.5M33 00:25–01:30: quality 0.6M33 01:30–02:55: quality 0.7M33 02:55–04:40: quality 0.8M33 04:40–05:05: quality 0.4M33 05:05–05:20: quality 0.5M33 05:20–06:00: quality 0.2observe M33 01:05–02:35scheduleNGC 7000M31M33V1057 CygM4522:0000:0002:0004:0006:00

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
20:25–22:05 — nothing worth pointing at — 1.67
22:05–23:35 NGC 7000 1.5 0.56
23:35–01:05 M31 1.5 0.62
01:05–02:35 M33 1.5 0.67
02:35–03:50 V1057 Cyg 1.25 0.64
03:50–05:20 M45 1.5 0.65
05:20–06:30 — nothing worth pointing at — 1.17

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 79 unknown 23:50–04:40 (good) 89.6° at 04:45 86.9° 1.5
M42 Great Orion Nebula 0 unknown — 42.9° at 09:35 137.4° 0.0
M45 Seven Sisters 43 unknown 02:50–04:40 (good) 72.5° at 07:45 120.0° 1.5
NGC 7000 North America Nebula 67 unknown 01:40–04:40 (good) 87.2° at 01:00 62.5° 1.5
V1057 Cyg 66 unknown 01:40–04:40 (good) 87.3° at 01:00 62.4° 1.25
M33 Triangulum Pinwheel 76 unknown 00:40–04:40 (good) 79.1° at 05:35 92.6° 1.5

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-08-11"

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"}.