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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 Thursday, 03 February 2033 · astronomical night 19:14 → 05:55 (10.68 h) · Moon 22% (waxing crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:10–18:45: quality 0.1M31 18:45–19:15: quality 0.4M31 19:15–21:20: quality 0.8M31 21:20–22:00: quality 0.7M31 22:00–22:25: quality 0.6M31 22:25–22:45: quality 0.5M31 22:45–22:50: quality 0.4observe M31 18:45–19:55M42M42 18:10–18:45: quality 0.1M42 18:45–19:15: quality 0.4M42 19:15–22:15: quality 0.8M42 22:15–22:45: quality 0.9M42 22:45–23:55: quality 0.8M42 23:55–00:10: quality 0.7M42 00:10–00:30: quality 0.6M42 00:30–00:45: quality 0.5M42 00:45–00:50: quality 0.4observe M42 22:15–00:50M45M45 18:10–18:45: quality 0.1M45 18:45–19:15: quality 0.4M45 19:15–23:15: quality 0.9M45 23:15–00:05: quality 0.8M45 00:05–00:15: quality 0.7M45 00:15–00:30: quality 0.6M45 00:30–00:45: quality 0.5M45 00:45–00:50: quality 0.4observe M45 19:55–21:05NGC 7000NGC 7000 18:10–18:45: quality 0.1NGC 7000 18:45–18:55: quality 0.3NGC 7000 18:55–19:15: quality 0.2NGC 7000 19:15–19:20: quality 0.4NGC 7000 05:30–05:40: quality 0.4NGC 7000 05:40–06:00: quality 0.5NGC 7000 06:00–06:25: quality 0.3NGC 7000 06:25–06:30: quality 0.4NGC 7000 06:30–07:05: quality 0.1observe NGC 7000 05:30–06:00observe NGC 7000 06:05–06:30V1057 CygV1057 Cyg 18:10–18:45: quality 0.1V1057 Cyg 18:45–18:55: quality 0.3V1057 Cyg 18:55–19:15: quality 0.2V1057 Cyg 19:15–19:20: quality 0.4V1057 Cyg 05:30–05:40: quality 0.4V1057 Cyg 05:40–06:00: quality 0.5V1057 Cyg 06:00–06:25: quality 0.3V1057 Cyg 06:25–06:30: quality 0.4V1057 Cyg 06:30–07:05: quality 0.1M33M33 18:10–18:45: quality 0.1M33 18:45–19:15: quality 0.4M33 19:15–19:45: quality 0.9M33 19:45–21:40: quality 0.8M33 21:40–22:25: quality 0.7M33 22:25–22:40: quality 0.6M33 22:40–22:55: quality 0.5M33 22:55–23:00: quality 0.4observe M33 21:05–22:15scheduleM31M45M33M4218:0020:0022:0000:0002:0004:0006:00

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
17:35–18:45 — nothing worth pointing at — 1.17
18:45–19:55 M31 1.17 0.66
19:55–21:05 M45 1.17 0.9
21:05–22:15 M33 1.17 0.75
22:15–00:50 M42 2.58 0.74
00:50–05:30 — nothing worth pointing at — 4.67
05:30–06:00 NGC 7000 0.5 0.48
06:00–06:05 — nothing worth pointing at — 0.08
06:05–06:30 NGC 7000 0.42 0.33
06:30–07:30 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 61 unknown 19:15–22:10 (good) 89.7° at 16:10 35.8° 1.17
M42 Great Orion Nebula 87 unknown 19:15–00:20 (good) 42.9° at 21:00 74.6° 2.58
M45 Seven Sisters 92 unknown 19:15–00:25 (good) 72.6° at 19:15 48.6° 1.17
NGC 7000 North America Nebula 9 unknown 05:30–06:00 (marginal) 87.2° at 12:25 61.8° 0.92
V1057 Cyg 9 unknown 05:30–06:00 (marginal) 87.3° at 12:25 61.7° 0.0
M33 Triangulum Pinwheel 67 unknown 19:15–22:35 (good) 79.1° at 17:00 28.2° 1.17

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2033-02-03"

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"}.