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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, 26 August 2035 · astronomical night 21:45 → 05:00 (7.26 h) · Moon 44% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 21:10–21:25: quality 0.2M31 21:25–21:50: quality 0.3M31 21:50–22:05: quality 0.7M31 22:05–23:00: quality 0.8M31 23:00–00:25: quality 0.9M31 00:25–00:45: quality 1.0M31 00:45–00:55: quality 0.8M31 00:55–01:25: quality 0.9M31 01:25–05:05: quality 0.8M31 05:05–05:40: quality 0.4M31 05:40–06:15: quality 0.1observe M31 00:00–01:25observe M31 05:05–05:40M42M42 04:50–05:05: quality 0.3M42 05:05–05:40: quality 0.2M42 05:40–06:15: quality 0.1observe M42 04:55–05:05M45M45 01:15–01:20: quality 0.3M45 01:20–01:40: quality 0.4M45 01:40–01:55: quality 0.5M45 01:55–03:00: quality 0.6M45 03:00–05:05: quality 0.7M45 05:05–05:40: quality 0.3M45 05:40–06:15: quality 0.1observe M45 02:50–04:55NGC 7000NGC 7000 20:35–21:10: quality 0.1NGC 7000 21:10–21:50: quality 0.5NGC 7000 21:50–00:45: quality 1.0NGC 7000 00:45–03:30: quality 0.9NGC 7000 03:30–04:55: quality 0.8NGC 7000 04:55–05:05: quality 0.7NGC 7000 05:05–05:40: quality 0.4NGC 7000 05:40–06:15: quality 0.1observe NGC 7000 21:10–22:35V1057 CygV1057 Cyg 20:35–21:10: quality 0.1V1057 Cyg 21:10–21:50: quality 0.5V1057 Cyg 21:50–00:45: quality 1.0V1057 Cyg 00:45–03:30: quality 0.9V1057 Cyg 03:30–04:55: quality 0.8V1057 Cyg 04:55–05:05: quality 0.7V1057 Cyg 05:05–05:40: quality 0.4V1057 Cyg 05:40–06:15: quality 0.1observe V1057 Cyg 22:35–00:00M33M33 22:40–22:50: quality 0.4M33 22:50–23:00: quality 0.5M33 23:00–23:15: quality 0.6M33 23:15–23:30: quality 0.7M33 23:30–00:20: quality 0.8M33 00:20–00:45: quality 0.9M33 00:45–00:50: quality 0.7M33 00:50–04:30: quality 0.8M33 04:30–05:05: quality 0.7M33 05:05–05:40: quality 0.4M33 05:40–06:15: quality 0.1observe M33 01:25–02:50scheduleNGC 7000V1057 CygM31M33M45M3122:0000:0002:0004:0006:00

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
20:00–21:10 — nothing worth pointing at — 1.17
21:10–22:35 NGC 7000 1.42 0.76
22:35–00:00 V1057 Cyg 1.42 1.0
00:00–01:25 M31 1.42 0.9
01:25–02:50 M33 1.42 0.79
02:50–04:55 M45 2.08 0.68
04:55–05:05 M42 0.17 0.32
05:05–05:40 M31 0.58 0.38
05:40–06:45 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 97 unknown 21:50–05:05 (good) 89.8° at 03:45 56.1° 2.0
M42 Great Orion Nebula 2 unknown 04:55–05:05 (marginal) 42.9° at 08:35 26.1° 0.17
M45 Seven Sisters 46 unknown 02:05–05:05 (good) 72.5° at 06:50 14.5° 2.08
NGC 7000 North America Nebula 100 unknown 21:50–05:05 (good) 87.2° at 00:00 95.2° 1.42
V1057 Cyg 100 unknown 21:50–05:05 (good) 87.3° at 00:00 95.2° 1.42
M33 Triangulum Pinwheel 88 unknown 23:10–05:05 (good) 79.1° at 04:35 44.4° 1.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2035-08-26"

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"}.