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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 Tuesday, 28 August 2029 · astronomical night 21:40 → 05:04 (7.4 h) · Moon 79% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 21:00–21:05: quality 0.1M31 21:05–21:15: quality 0.2M31 21:15–21:45: quality 0.3M31 21:45–02:10: quality 0.5M31 02:10–05:05: quality 0.4M31 05:05–05:45: quality 0.2M31 05:45–06:20: quality 0.1observe M31 23:45–01:05M42M42 04:40–04:50: quality 0.2M42 04:50–05:05: quality 0.3M42 05:05–05:45: quality 0.2M42 05:45–06:20: quality 0.1observe M42 05:00–05:05M45M45 01:05–01:20: quality 0.2M45 01:20–01:55: quality 0.3M45 01:55–05:05: quality 0.4M45 05:05–05:45: quality 0.2M45 05:45–06:20: quality 0.1observe M45 02:25–03:45NGC 7000NGC 7000 20:30–21:05: quality 0.1NGC 7000 21:05–21:45: quality 0.5NGC 7000 21:45–22:35: quality 0.8NGC 7000 22:35–01:20: quality 0.7NGC 7000 01:20–03:50: quality 0.6NGC 7000 03:50–05:05: quality 0.5NGC 7000 05:05–05:45: quality 0.2NGC 7000 05:45–06:20: quality 0.1observe NGC 7000 21:05–22:25observe NGC 7000 03:45–05:00V1057 CygV1057 Cyg 20:30–21:05: quality 0.1V1057 Cyg 21:05–21:45: quality 0.5V1057 Cyg 21:45–22:35: quality 0.8V1057 Cyg 22:35–01:20: quality 0.7V1057 Cyg 01:20–03:45: quality 0.6V1057 Cyg 03:45–05:05: quality 0.5V1057 Cyg 05:05–05:45: quality 0.2V1057 Cyg 05:45–06:20: quality 0.1observe V1057 Cyg 22:25–23:45M33M33 22:30–22:55: quality 0.3M33 22:55–23:25: quality 0.4M33 23:25–02:10: quality 0.5M33 02:10–05:05: quality 0.4M33 05:05–05:45: quality 0.2M33 05:45–06:20: quality 0.1observe M33 01:05–02:25scheduleNGC 7000V1057 CygM31M33M45NGC 700022:0000:0002:0004:0006:00

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
20:00–21:05 — nothing worth pointing at — 1.08
21:05–22:25 NGC 7000 1.33 0.64
22:25–23:45 V1057 Cyg 1.33 0.73
23:45–01:05 M31 1.33 0.51
01:05–02:25 M33 1.33 0.45
02:25–03:45 M45 1.33 0.37
03:45–05:00 NGC 7000 1.25 0.52
05:00–05:05 M42 0.08 0.3
05:05–06:45 — nothing worth pointing at — 1.67

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 51 unknown 21:30–05:05 (marginal) 89.7° at 03:35 29.0° 1.33
M42 Great Orion Nebula 2 unknown 05:00–05:05 (marginal) 42.9° at 08:25 60.5° 0.08
M45 Seven Sisters 16 unknown 01:40–05:05 (marginal) 72.5° at 06:40 29.4° 1.33
NGC 7000 North America Nebula 78 unknown 21:45–02:55 (good) 87.2° at 23:50 66.2° 2.58
V1057 Cyg 78 unknown 21:45–02:55 (good) 87.3° at 23:50 66.1° 1.33
M33 Triangulum Pinwheel 35 unknown 22:40–05:05 (marginal) 79.1° at 04:25 15.2° 1.33
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-08-28"

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"}.