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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 Wednesday, 24 January 2029 · astronomical night 19:03 → 06:02 (10.99 h) · Moon 70% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:00–18:35: quality 0.1M31 18:35–19:05: quality 0.3M31 19:05–21:45: quality 0.5M31 21:45–22:55: quality 0.4M31 22:55–23:25: quality 0.3M31 23:25–23:30: quality 0.2observe M31 19:55–21:00M42M42 18:35–19:05: quality 0.2M42 19:05–21:00: quality 0.4M42 21:00–00:40: quality 0.5M42 00:40–01:10: quality 0.4M42 01:10–01:30: quality 0.3observe M42 23:10–01:20M45M45 18:00–18:35: quality 0.1M45 18:35–19:05: quality 0.2M45 19:05–00:40: quality 0.5M45 00:40–01:05: quality 0.4M45 01:05–01:30: quality 0.3observe M45 22:05–23:10NGC 7000NGC 7000 18:00–18:35: quality 0.1NGC 7000 18:35–19:05: quality 0.3NGC 7000 19:05–19:20: quality 0.5NGC 7000 19:20–19:40: quality 0.4NGC 7000 19:40–20:00: quality 0.3NGC 7000 06:10–06:30: quality 0.2NGC 7000 06:30–06:40: quality 0.3NGC 7000 06:40–07:10: quality 0.1observe NGC 7000 19:05–19:55V1057 CygV1057 Cyg 18:00–18:35: quality 0.1V1057 Cyg 18:35–19:05: quality 0.3V1057 Cyg 19:05–19:20: quality 0.5V1057 Cyg 19:20–19:40: quality 0.4V1057 Cyg 19:40–20:00: quality 0.3V1057 Cyg 06:10–06:30: quality 0.2V1057 Cyg 06:30–06:40: quality 0.3V1057 Cyg 06:40–07:10: quality 0.1M33M33 18:00–18:35: quality 0.1M33 18:35–19:05: quality 0.2M33 19:05–20:10: quality 0.5M33 20:10–23:00: quality 0.4M33 23:00–23:30: quality 0.3M33 23:30–23:40: quality 0.2observe M33 21:00–22:05scheduleNGC 7000M31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
17:25–19:05 — nothing worth pointing at — 1.67
19:05–19:55 NGC 7000 0.83 0.4
19:55–21:00 M31 1.08 0.48
21:00–22:05 M33 1.08 0.42
22:05–23:10 M45 1.08 0.48
23:10–01:20 M42 2.17 0.45
01:20–07:40 — nothing worth pointing at — 6.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 27 unknown 19:05–23:10 (marginal) 89.6° at 16:50 41.5° 1.08
M42 Great Orion Nebula 37 unknown 19:05–01:20 (marginal) 42.9° at 21:40 39.7° 2.17
M45 Seven Sisters 37 unknown 19:05–01:20 (marginal) 72.5° at 19:50 0.8° 1.08
NGC 7000 North America Nebula 9 unknown 19:05–19:55 (marginal) 87.2° at 13:05 81.3° 0.83
V1057 Cyg 9 unknown 19:05–19:55 (marginal) 87.3° at 13:05 81.3° 0.0
M33 Triangulum Pinwheel 23 unknown 19:05–23:15 (marginal) 79.1° at 17:40 29.7° 1.08

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-01-24"

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"}.