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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, 04 October 2036 · astronomical night 20:29 → 05:50 (9.35 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:25–20:00: quality 0.1M31 20:00–20:30: quality 0.2M31 20:30–21:40: quality 0.5M31 21:40–03:40: quality 0.4M31 03:40–05:55: quality 0.5M31 05:55–06:25: quality 0.2M31 06:25–06:55: quality 0.1observe M31 23:30–01:15M42M42 02:15–02:40: quality 0.3M42 02:40–03:05: quality 0.4M42 03:05–04:10: quality 0.5M42 04:10–05:55: quality 0.6M42 05:55–06:25: quality 0.3M42 06:25–06:55: quality 0.1observe M42 03:00–04:45observe M42 05:55–06:25M45M45 22:40–22:55: quality 0.2M45 22:55–23:25: quality 0.3M45 23:25–01:50: quality 0.4M45 01:50–04:35: quality 0.5M45 04:35–05:55: quality 0.6M45 05:55–06:25: quality 0.3M45 06:25–06:55: quality 0.1observe M45 01:15–03:00NGC 7000NGC 7000 19:25–20:00: quality 0.1NGC 7000 20:00–20:30: quality 0.3NGC 7000 20:30–23:10: quality 0.6NGC 7000 23:10–03:00: quality 0.5NGC 7000 03:00–03:45: quality 0.4NGC 7000 03:45–04:15: quality 0.3NGC 7000 04:15–04:20: quality 0.2observe NGC 7000 20:00–21:45V1057 CygV1057 Cyg 19:25–20:00: quality 0.1V1057 Cyg 20:00–20:30: quality 0.3V1057 Cyg 20:30–23:05: quality 0.6V1057 Cyg 23:05–03:00: quality 0.5V1057 Cyg 03:00–03:45: quality 0.4V1057 Cyg 03:45–04:15: quality 0.3V1057 Cyg 04:15–04:20: quality 0.2observe V1057 Cyg 21:45–23:30M33M33 20:05–20:30: quality 0.1M33 20:30–20:50: quality 0.3M33 20:50–00:10: quality 0.4M33 00:10–01:45: quality 0.3M33 01:45–04:35: quality 0.4M33 04:35–05:55: quality 0.5M33 05:55–06:25: quality 0.2M33 06:25–06:55: quality 0.1observe M33 04:45–05:55scheduleNGC 7000V1057 CygM31M45M42M3320:0022:0000:0002:0004:0006:00

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
18:55–20:00 — nothing worth pointing at — 1.08
20:00–21:45 NGC 7000 1.75 0.54
21:45–23:30 V1057 Cyg 1.75 0.56
23:30–01:15 M31 1.75 0.39
01:15–03:00 M45 1.75 0.46
03:00–04:45 M42 1.75 0.53
04:45–05:55 M33 1.17 0.47
05:55–06:25 M42 0.5 0.32
06:25–07:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 49 unknown 20:30–05:55 (marginal) 89.7° at 01:10 42.4° 1.75
M42 Great Orion Nebula 33 unknown 05:10–05:55 (good) 42.9° at 06:00 76.3° 2.25
M45 Seven Sisters 55 unknown 05:30–05:55 (good) 72.5° at 04:10 53.8° 1.75
NGC 7000 North America Nebula 65 unknown 20:30–21:35 (good) 87.2° at 21:25 65.2° 1.75
V1057 Cyg 65 unknown 20:30–21:35 (good) 87.3° at 21:25 65.1° 1.75
M33 Triangulum Pinwheel 46 unknown 20:30–05:55 (marginal) 79.2° at 02:00 35.2° 1.17
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2036-10-04"

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"}.