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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, 30 November 2031 · astronomical night 18:30 → 05:49 (11.31 h) · Moon 96% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–17:50: quality 0.1M31 17:50–18:00: quality 0.2M31 18:00–18:25: quality 0.5M31 18:25–18:35: quality 0.4M31 18:35–20:40: quality 0.7M31 20:40–23:20: quality 0.6M31 23:20–01:10: quality 0.5M31 01:10–02:25: quality 0.4M31 02:25–02:55: quality 0.3M31 02:55–03:10: quality 0.2observe M31 21:30–23:15M42M42 21:35–22:20: quality 0.2M42 22:20–23:55: quality 0.3M42 23:55–05:05: quality 0.2M42 05:05–05:10: quality 0.1M45M45 18:00–18:10: quality 0.2M45 18:10–18:25: quality 0.3M45 18:25–18:35: quality 0.2M45 18:35–18:45: quality 0.4M45 18:45–20:15: quality 0.5M45 20:15–22:45: quality 0.4M45 22:45–04:20: quality 0.3M45 04:20–05:05: quality 0.2M45 05:05–05:10: quality 0.1observe M45 23:15–23:55NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:25: quality 0.5NGC 7000 18:25–18:35: quality 0.4NGC 7000 18:35–19:15: quality 0.9NGC 7000 19:15–20:40: quality 0.8NGC 7000 20:40–22:05: quality 0.7NGC 7000 22:05–22:45: quality 0.6NGC 7000 22:45–23:05: quality 0.5NGC 7000 23:05–23:30: quality 0.4NGC 7000 23:30–23:40: quality 0.3observe NGC 7000 18:00–19:45V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:25: quality 0.5V1057 Cyg 18:25–18:35: quality 0.4V1057 Cyg 18:35–19:15: quality 0.9V1057 Cyg 19:15–20:40: quality 0.8V1057 Cyg 20:40–22:05: quality 0.7V1057 Cyg 22:05–22:45: quality 0.6V1057 Cyg 22:45–23:05: quality 0.5V1057 Cyg 23:05–23:30: quality 0.4V1057 Cyg 23:30–23:40: quality 0.3observe V1057 Cyg 19:45–21:30M33M33 17:25–18:00: quality 0.1M33 18:00–18:25: quality 0.5M33 18:25–18:35: quality 0.3M33 18:35–19:50: quality 0.7M33 19:50–22:00: quality 0.6M33 22:00–00:20: quality 0.5M33 00:20–02:30: quality 0.4M33 02:30–03:00: quality 0.3M33 03:00–03:20: quality 0.2observe M33 23:55–02:45scheduleNGC 7000V1057 CygM31M3318:0020:0022:0000:0002:0004:0006:00

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
18:00–19:45 NGC 7000 1.75 0.73
19:45–21:30 V1057 Cyg 1.75 0.76
21:30–23:15 M31 1.75 0.58
23:15–23:55 M45 0.67 0.31
23:55–02:45 M33 2.83 0.41
02:45–07:30 — nothing worth pointing at — 4.75

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 74 unknown 18:35–21:55 (good) 89.5° at 20:30 69.5° 1.75
M42 Great Orion Nebula 12 unknown — 42.9° at 01:20 26.2° 0.0
M45 Seven Sisters 43 unknown 18:35–23:55 (marginal) 72.5° at 23:30 31.7° 0.67
NGC 7000 North America Nebula 84 unknown 18:35–22:35 (good) 87.2° at 16:45 104.1° 1.75
V1057 Cyg 84 unknown 18:35–22:35 (good) 87.3° at 16:45 104.2° 1.75
M33 Triangulum Pinwheel 69 unknown 18:35–20:50 (good) 79.1° at 21:20 60.7° 2.83

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-30"

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"}.