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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 Friday, 23 January 2032 · astronomical night 19:01 → 06:03 (11.04 h) · Moon 89% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:55–18:30: quality 0.1M31 18:30–19:05: quality 0.3M31 19:05–19:35: quality 0.6M31 19:35–21:40: quality 0.5M31 21:40–22:55: quality 0.4M31 22:55–23:25: quality 0.3M31 23:25–23:35: quality 0.2observe M31 20:05–21:10M42M42 18:30–19:05: quality 0.1M42 19:05–01:05: quality 0.3M42 01:05–01:35: quality 0.2observe M42 00:15–00:35M45M45 17:55–18:30: quality 0.1M45 18:30–19:05: quality 0.2M45 19:05–19:40: quality 0.4M45 19:40–01:10: quality 0.3M45 01:10–01:35: quality 0.2observe M45 22:15–00:15observe M45 00:35–00:45NGC 7000NGC 7000 17:55–18:30: quality 0.1NGC 7000 18:30–19:05: quality 0.3NGC 7000 19:05–19:10: quality 0.6NGC 7000 19:10–19:35: quality 0.5NGC 7000 19:35–19:55: quality 0.4NGC 7000 19:55–20:05: quality 0.3NGC 7000 06:20–06:35: quality 0.2NGC 7000 06:35–06:40: quality 0.3NGC 7000 06:40–07:15: quality 0.1observe NGC 7000 19:05–20:05V1057 CygV1057 Cyg 17:55–18:30: quality 0.1V1057 Cyg 18:30–19:05: quality 0.3V1057 Cyg 19:05–19:10: quality 0.6V1057 Cyg 19:10–19:35: quality 0.5V1057 Cyg 19:35–19:55: quality 0.4V1057 Cyg 19:55–20:05: quality 0.3V1057 Cyg 06:20–06:35: quality 0.2V1057 Cyg 06:35–06:40: quality 0.3V1057 Cyg 06:40–07:15: quality 0.1observe V1057 Cyg 18:30–19:00M33M33 17:55–18:30: quality 0.1M33 18:30–19:05: quality 0.3M33 19:05–20:45: quality 0.5M33 20:45–23:00: quality 0.4M33 23:00–23:30: quality 0.3M33 23:30–23:50: quality 0.2observe M33 21:10–22:15scheduleNGC 7000M31M33M4518:0020:0022:0000:0002:0004:0006:00

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
17:20–18:30 — nothing worth pointing at — 1.17
18:30–19:00 V1057 Cyg 0.5 0.31
19:00–19:05 — nothing worth pointing at — 0.08
19:05–20:05 NGC 7000 1.0 0.44
20:05–21:10 M31 1.08 0.5
21:10–22:15 M33 1.08 0.41
22:15–00:15 M45 2.0 0.31
00:15–00:35 M42 0.33 0.3
00:35–00:45 M45 0.17 0.31
00:45–07:45 — nothing worth pointing at — 7.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 32 unknown 19:05–23:10 (marginal) 89.7° at 16:55 64.4° 1.08
M42 Great Orion Nebula 15 unknown 00:15–00:35 (marginal) 42.9° at 21:45 25.6° 0.33
M45 Seven Sisters 20 unknown 19:05–00:45 (marginal) 72.5° at 20:00 25.5° 2.17
NGC 7000 North America Nebula 12 unknown 19:05–20:05 (marginal) 87.2° at 13:10 100.5° 1.0
V1057 Cyg 12 unknown 19:05–20:05 (marginal) 87.3° at 13:10 100.6° 0.5
M33 Triangulum Pinwheel 27 unknown 19:05–23:15 (marginal) 79.1° at 17:45 54.9° 1.08
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2032-01-23"

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"}.