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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, 24 December 2034 · astronomical night 18:35 → 06:05 (11.5 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:40: quality 0.3M31 18:40–20:45: quality 0.6M31 20:45–22:55: quality 0.5M31 22:55–00:45: quality 0.4M31 00:45–01:20: quality 0.3M31 01:20–01:35: quality 0.2observe M31 21:15–22:40M42M42 20:00–03:30: quality 0.2M42 03:30–03:35: quality 0.1M45M45 17:30–18:05: quality 0.1M45 18:05–18:40: quality 0.2M45 18:40–20:15: quality 0.4M45 20:15–22:45: quality 0.3M45 22:45–03:30: quality 0.2M45 03:30–03:35: quality 0.1observe M45 20:55–21:15NGC 7000NGC 7000 17:30–18:05: quality 0.1NGC 7000 18:05–18:40: quality 0.4NGC 7000 18:40–18:55: quality 0.8NGC 7000 18:55–20:20: quality 0.7NGC 7000 20:20–21:10: quality 0.6NGC 7000 21:10–21:30: quality 0.5NGC 7000 21:30–21:50: quality 0.4NGC 7000 21:50–22:05: quality 0.3observe NGC 7000 19:30–20:55V1057 CygV1057 Cyg 17:30–18:05: quality 0.1V1057 Cyg 18:05–18:40: quality 0.4V1057 Cyg 18:40–18:55: quality 0.8V1057 Cyg 18:55–20:20: quality 0.7V1057 Cyg 20:20–21:10: quality 0.6V1057 Cyg 21:10–21:30: quality 0.5V1057 Cyg 21:30–21:50: quality 0.4V1057 Cyg 21:50–22:05: quality 0.3observe V1057 Cyg 18:05–19:30M33M33 17:30–18:05: quality 0.1M33 18:05–18:40: quality 0.3M33 18:40–19:30: quality 0.6M33 19:30–22:05: quality 0.5M33 22:05–00:40: quality 0.4M33 00:40–01:20: quality 0.3M33 01:20–01:45: quality 0.2observe M33 22:40–01:05scheduleV1057 CygNGC 7000M31M3318:0020:0022:0000:0002:0004:0006:00

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
16:55–18:05 — nothing worth pointing at — 1.17
18:05–19:30 V1057 Cyg 1.42 0.6
19:30–20:55 NGC 7000 1.42 0.66
20:55–21:15 M45 0.33 0.31
21:15–22:40 M31 1.42 0.5
22:40–01:05 M33 2.42 0.37
01:05–07:50 — nothing worth pointing at — 6.75

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 57 unknown 18:40–19:30 (good) 89.5° at 18:55 67.6° 1.42
M42 Great Orion Nebula 10 unknown — 42.9° at 23:45 24.0° 0.0
M45 Seven Sisters 27 unknown 18:40–21:15 (marginal) 72.5° at 21:55 28.6° 0.33
NGC 7000 North America Nebula 45 unknown 18:40–21:00 (good) 87.2° at 15:10 103.5° 1.42
V1057 Cyg 45 unknown 18:40–20:55 (good) 87.3° at 15:10 103.5° 1.42
M33 Triangulum Pinwheel 48 unknown 18:40–01:05 (marginal) 79.1° at 19:45 58.1° 2.42

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-12-24"

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"}.