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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 Tuesday, 30 January 2029 · astronomical night 19:09 → 05:58 (10.81 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:05–18:15: quality 0.2M31 18:15–18:40: quality 0.1M31 18:40–19:10: quality 0.4M31 19:10–19:25: quality 0.9M31 19:25–20:40: quality 0.8M31 20:40–22:00: quality 0.7M31 22:00–22:20: quality 0.6M31 22:20–22:40: quality 0.5M31 22:40–23:00: quality 0.4M31 23:00–23:05: quality 0.3observe M31 18:40–19:45M42M42 18:05–18:40: quality 0.1M42 18:40–19:10: quality 0.3M42 19:10–22:15: quality 0.5M42 22:15–00:10: quality 0.4M42 00:10–00:45: quality 0.3M42 00:45–01:05: quality 0.2observe M42 21:55–23:00M45M45 18:05–18:15: quality 0.2M45 18:15–18:40: quality 0.1M45 18:40–19:10: quality 0.4M45 19:10–21:35: quality 0.7M45 21:35–23:00: quality 0.6M45 23:00–00:20: quality 0.5M45 00:20–00:40: quality 0.4M45 00:40–01:05: quality 0.3observe M45 20:50–21:55observe M45 23:15–00:50NGC 7000NGC 7000 18:05–18:40: quality 0.1NGC 7000 18:40–19:10: quality 0.3NGC 7000 19:10–19:20: quality 0.5NGC 7000 19:20–19:35: quality 0.4NGC 7000 05:45–06:00: quality 0.4NGC 7000 06:00–06:15: quality 0.2NGC 7000 06:15–06:35: quality 0.3NGC 7000 06:35–07:05: quality 0.1observe NGC 7000 05:45–06:00V1057 CygV1057 Cyg 18:05–18:40: quality 0.1V1057 Cyg 18:40–19:10: quality 0.3V1057 Cyg 19:10–19:20: quality 0.5V1057 Cyg 19:20–19:35: quality 0.4V1057 Cyg 05:50–06:00: quality 0.4V1057 Cyg 06:00–06:15: quality 0.2V1057 Cyg 06:15–06:35: quality 0.3V1057 Cyg 06:35–07:05: quality 0.1M33M33 18:05–18:15: quality 0.2M33 18:15–18:40: quality 0.1M33 18:40–19:10: quality 0.4M33 19:10–19:25: quality 0.9M33 19:25–20:45: quality 0.8M33 20:45–22:05: quality 0.7M33 22:05–22:35: quality 0.6M33 22:35–22:50: quality 0.5M33 22:50–23:10: quality 0.4M33 23:10–23:15: quality 0.3observe M33 19:45–20:50observe M33 23:00–23:15scheduleM31M33M45M42M4518:0020:0022:0000:0002:0004:0006:00

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
17:30–18:40 — nothing worth pointing at — 1.17
18:40–19:45 M31 1.08 0.66
19:45–20:50 M33 1.08 0.79
20:50–21:55 M45 1.08 0.66
21:55–23:00 M42 1.08 0.44
23:00–23:15 M33 0.25 0.36
23:15–00:50 M45 1.58 0.46
00:50–05:45 — nothing worth pointing at — 4.92
05:45–06:00 NGC 7000 0.25 0.38
06:00–07:35 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 64 unknown 19:10–22:10 (good) 89.7° at 16:25 110.7° 1.08
M42 Great Orion Nebula 38 unknown 19:10–00:30 (marginal) 42.9° at 21:15 60.3° 1.08
M45 Seven Sisters 70 unknown 19:10–22:15 (good) 72.5° at 19:30 81.1° 2.67
NGC 7000 North America Nebula 8 unknown 19:10–19:35 (marginal) 87.2° at 12:40 123.6° 0.25
V1057 Cyg 8 unknown 19:10–19:35 (marginal) 87.3° at 12:40 123.7° 0.0
M33 Triangulum Pinwheel 66 unknown 19:10–22:25 (good) 79.1° at 17:15 107.4° 1.33

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-01-30"

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"}.