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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, 26 January 2048 · astronomical night 19:04 → 06:01 (10.95 h) · Moon 84% (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 19:05–21:05: quality 0.5M31 21:05–22:40: quality 0.4M31 22:40–23:15: quality 0.3M31 23:15–23:25: quality 0.2observe M31 19:55–20:55M42M42 18:35–18:55: quality 0.1M42 18:55–19:05: quality 0.2M42 19:05–01:00: quality 0.3M42 01:00–01:25: quality 0.2observe M42 22:55–00:35M45M45 18:00–18:35: quality 0.1M45 18:35–19:05: quality 0.2M45 19:05–20:00: quality 0.4M45 20:00–01:05: quality 0.3M45 01:05–01:25: quality 0.2observe M45 21:55–22:55observe M45 00:35–00:45NGC 7000NGC 7000 18:00–18:35: quality 0.1NGC 7000 18:35–19:05: quality 0.3NGC 7000 19:05–19:15: quality 0.5NGC 7000 19:15–19:40: quality 0.4NGC 7000 19:40–19:55: quality 0.3NGC 7000 06:05–06:25: quality 0.2NGC 7000 06:25–06:35: quality 0.3NGC 7000 06:35–07:10: quality 0.1observe NGC 7000 19:50–19:55V1057 CygV1057 Cyg 18:00–18:35: quality 0.1V1057 Cyg 18:35–19:05: quality 0.3V1057 Cyg 19:05–19:15: quality 0.5V1057 Cyg 19:15–19:40: quality 0.4V1057 Cyg 19:40–19:55: quality 0.3V1057 Cyg 06:05–06:25: quality 0.2V1057 Cyg 06:25–06:35: quality 0.3V1057 Cyg 06:35–07:10: quality 0.1observe V1057 Cyg 19:05–19:50M33M33 18:00–18:35: quality 0.1M33 18:35–19:05: quality 0.2M33 19:05–20:15: quality 0.5M33 20:15–22:45: quality 0.4M33 22:45–23:20: quality 0.3M33 23:20–23:35: quality 0.2observe M33 20:55–21:55scheduleM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
19:05–19:50 V1057 Cyg 0.75 0.41
19:50–19:55 NGC 7000 0.08 0.3
19:55–20:55 M31 1.0 0.48
20:55–21:55 M33 1.0 0.4
21:55–22:55 M45 1.0 0.34
22:55–00:35 M42 1.67 0.32
00:35–00:45 M45 0.17 0.31
00:45–07:40 — nothing worth pointing at — 6.92

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 27 unknown 19:05–23:00 (marginal) 89.8° at 16:45 58.5° 1.0
M42 Great Orion Nebula 16 unknown 20:55–00:35 (marginal) 42.9° at 21:35 30.2° 1.67
M45 Seven Sisters 21 unknown 19:05–00:45 (marginal) 72.6° at 19:45 20.7° 1.17
NGC 7000 North America Nebula 9 unknown 19:05–19:55 (marginal) 87.2° at 13:00 94.6° 0.08
V1057 Cyg 9 unknown 19:05–19:50 (marginal) 87.2° at 13:00 94.6° 0.75
M33 Triangulum Pinwheel 23 unknown 19:05–23:05 (marginal) 79.2° at 17:35 49.4° 1.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2048-01-26"

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"}.