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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, 26 November 2039 · astronomical night 18:31 → 05:45 (11.23 h) · Moon 87% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:15: quality 0.3M31 18:15–18:35: quality 0.2M31 18:35–19:30: quality 0.5M31 19:30–23:25: quality 0.4M31 23:25–02:25: quality 0.5M31 02:25–03:00: quality 0.4M31 03:00–03:25: quality 0.3observe M31 21:50–23:45M42M42 21:50–22:00: quality 0.2M42 22:00–22:25: quality 0.3M42 22:25–22:55: quality 0.4M42 22:55–01:00: quality 0.5M42 01:00–03:50: quality 0.6M42 03:50–04:30: quality 0.8M42 04:30–04:45: quality 0.7M42 04:45–05:00: quality 0.6M42 05:00–05:20: quality 0.5M42 05:20–05:25: quality 0.4observe M42 23:45–01:40M45M45 18:15–18:35: quality 0.1M45 18:35–19:00: quality 0.3M45 19:00–23:25: quality 0.4M45 23:25–01:45: quality 0.5M45 01:45–03:50: quality 0.6M45 03:50–04:40: quality 0.8M45 04:40–04:50: quality 0.7M45 04:50–05:05: quality 0.6M45 05:05–05:20: quality 0.5M45 05:20–05:25: quality 0.4observe M45 01:40–05:25NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.3NGC 7000 18:35–21:05: quality 0.6NGC 7000 21:05–23:00: quality 0.5NGC 7000 23:00–23:25: quality 0.4NGC 7000 23:25–23:55: quality 0.3observe NGC 7000 18:00–19:55V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.3V1057 Cyg 18:35–21:05: quality 0.6V1057 Cyg 21:05–22:55: quality 0.5V1057 Cyg 22:55–23:25: quality 0.4V1057 Cyg 23:25–23:55: quality 0.3observe V1057 Cyg 19:55–21:50M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.2M33 18:35–01:55: quality 0.4M33 01:55–02:40: quality 0.5M33 02:40–03:10: quality 0.4M33 03:10–03:35: quality 0.3scheduleNGC 7000V1057 CygM31M42M4518:0020:0022:0000:0002:0004:0006:00

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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–19:55 NGC 7000 1.92 0.54
19:55–21:50 V1057 Cyg 1.92 0.56
21:50–23:45 M31 1.92 0.44
23:45–01:40 M42 1.92 0.54
01:40–05:25 M45 3.75 0.62
05:25–07:25 — nothing worth pointing at — 2.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 48 unknown 18:35–03:15 (marginal) 89.7° at 20:45 37.8° 1.92
M42 Great Orion Nebula 83 unknown 02:25–04:55 (good) 42.9° at 01:35 62.2° 1.92
M45 Seven Sisters 85 unknown 03:50–05:00 (good) 72.5° at 23:45 38.0° 3.75
NGC 7000 North America Nebula 49 unknown 18:35–20:05 (good) 87.2° at 17:00 70.7° 1.92
V1057 Cyg 49 unknown 18:35–20:05 (good) 87.3° at 17:00 70.6° 1.92
M33 Triangulum Pinwheel 44 unknown 18:35–03:25 (marginal) 79.2° at 21:35 25.7° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-11-26"

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"}.