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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 Saturday, 10 February 2029 · astronomical night 19:22 → 05:47 (10.43 h) · Moon 6% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:20–18:25: quality 0.2M31 18:25–18:50: quality 0.1M31 18:50–19:25: quality 0.5M31 19:25–20:35: quality 0.9M31 20:35–21:25: quality 0.8M31 21:25–21:40: quality 0.7M31 21:40–22:00: quality 0.6M31 22:00–22:15: quality 0.5M31 22:15–22:25: quality 0.4observe M31 21:10–22:15M42M42 18:20–18:50: quality 0.1M42 18:50–19:25: quality 0.4M42 19:25–22:20: quality 0.9M42 22:20–23:30: quality 0.8M42 23:30–23:45: quality 0.7M42 23:45–00:00: quality 0.6M42 00:00–00:15: quality 0.5M42 00:15–00:25: quality 0.4observe M42 22:15–00:25M45M45 18:20–18:50: quality 0.2M45 18:50–19:25: quality 0.5M45 19:25–21:30: quality 1.0M45 21:30–22:50: quality 0.9M45 22:50–23:35: quality 0.8M45 23:35–23:50: quality 0.7M45 23:50–00:05: quality 0.6M45 00:05–00:15: quality 0.5M45 00:15–00:25: quality 0.4observe M45 20:00–21:10NGC 7000NGC 7000 18:20–18:50: quality 0.1NGC 7000 18:50–18:55: quality 0.2NGC 7000 05:05–05:15: quality 0.4NGC 7000 05:15–05:30: quality 0.5NGC 7000 05:30–05:45: quality 0.6NGC 7000 05:45–05:50: quality 0.7NGC 7000 05:50–05:55: quality 0.3NGC 7000 05:55–06:25: quality 0.4NGC 7000 06:25–06:55: quality 0.1observe NGC 7000 05:05–06:15V1057 CygV1057 Cyg 18:20–18:50: quality 0.1V1057 Cyg 18:50–18:55: quality 0.2V1057 Cyg 05:05–05:15: quality 0.4V1057 Cyg 05:15–05:30: quality 0.5V1057 Cyg 05:30–05:50: quality 0.6V1057 Cyg 05:50–05:55: quality 0.3V1057 Cyg 05:55–06:25: quality 0.4V1057 Cyg 06:25–06:55: quality 0.1observe V1057 Cyg 06:15–06:25M33M33 18:20–18:50: quality 0.2M33 18:50–19:25: quality 0.5M33 19:25–19:35: quality 1.0M33 19:35–20:55: quality 0.9M33 20:55–21:45: quality 0.8M33 21:45–22:00: quality 0.7M33 22:00–22:10: quality 0.6M33 22:10–22:25: quality 0.5M33 22:25–22:35: quality 0.4observe M33 18:50–20:00scheduleM33M45M31M42NGC 700018:0020:0022:0000:0002:0004:0006:00

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
17:45–18:50 — nothing worth pointing at — 1.08
18:50–20:00 M33 1.17 0.72
20:00–21:10 M45 1.17 0.99
21:10–22:15 M31 1.08 0.65
22:15–00:25 M42 2.17 0.71
00:25–05:05 — nothing worth pointing at — 4.67
05:05–06:15 NGC 7000 1.17 0.48
06:15–06:25 V1057 Cyg 0.17 0.4
06:25–07:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 61 unknown 19:25–21:50 (good) 89.6° at 15:40 92.8° 1.08
M42 Great Orion Nebula 89 unknown 19:25–23:50 (good) 42.9° at 20:35 139.5° 2.17
M45 Seven Sisters 100 unknown 19:25–23:55 (good) 72.5° at 18:45 125.7° 1.17
NGC 7000 North America Nebula 12 unknown 05:40–05:50 (good) 87.2° at 11:55 67.1° 1.17
V1057 Cyg 12 unknown 05:40–05:50 (good) 87.3° at 11:55 67.0° 0.17
M33 Triangulum Pinwheel 69 unknown 19:25–22:05 (good) 79.1° at 16:35 98.5° 1.17
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-02-10"

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"}.