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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 Monday, 15 February 2044 · astronomical night 19:27 → 05:42 (10.26 h) · Moon 92% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:25–18:55: quality 0.1M31 18:55–19:30: quality 0.5M31 19:30–20:15: quality 0.9M31 20:15–20:50: quality 0.8M31 20:50–21:15: quality 0.7M31 21:15–21:35: quality 0.6M31 21:35–21:50: quality 0.5M31 21:50–22:05: quality 0.4observe M31 21:15–22:05M42M42 18:25–18:55: quality 0.1M42 18:55–19:30: quality 0.4M42 19:30–20:40: quality 0.9M42 20:40–20:45: quality 0.8M42 20:45–22:45: quality 0.7M42 22:45–23:20: quality 0.6M42 23:20–23:40: quality 0.5M42 23:40–00:00: quality 0.4M42 00:00–00:05: quality 0.3observe M42 22:05–23:15M45M45 18:25–18:55: quality 0.2M45 18:55–19:30: quality 0.5M45 19:30–20:40: quality 1.0M45 20:40–21:30: quality 0.9M45 21:30–22:45: quality 0.8M45 22:45–23:20: quality 0.7M45 23:20–23:35: quality 0.6M45 23:35–23:50: quality 0.5M45 23:50–00:05: quality 0.4observe M45 20:05–21:15observe M45 23:15–00:05NGC 7000NGC 7000 18:25–18:35: quality 0.1NGC 7000 04:45–05:05: quality 0.4NGC 7000 05:05–05:25: quality 0.5NGC 7000 05:25–05:45: quality 0.6NGC 7000 05:45–05:55: quality 0.3NGC 7000 05:55–06:15: quality 0.4NGC 7000 06:15–06:50: quality 0.1observe NGC 7000 04:45–05:55V1057 CygV1057 Cyg 18:25–18:35: quality 0.1V1057 Cyg 04:45–05:05: quality 0.4V1057 Cyg 05:05–05:25: quality 0.5V1057 Cyg 05:25–05:45: quality 0.6V1057 Cyg 05:45–05:55: quality 0.3V1057 Cyg 05:55–06:15: quality 0.4V1057 Cyg 06:15–06:50: quality 0.1observe V1057 Cyg 05:55–06:15M33M33 18:25–18:40: quality 0.2M33 18:40–18:55: quality 0.1M33 18:55–19:30: quality 0.5M33 19:30–20:40: quality 0.9M33 20:40–21:10: quality 0.8M33 21:10–21:35: quality 0.7M33 21:35–21:50: quality 0.6M33 21:50–22:05: quality 0.5M33 22:05–22:20: quality 0.4observe M33 18:55–20:05scheduleM33M45M31M42M45NGC 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
17:50–18:55 — nothing worth pointing at — 1.08
18:55–20:05 M33 1.17 0.7
20:05–21:15 M45 1.17 0.95
21:15–22:05 M31 0.83 0.52
22:05–23:15 M42 1.17 0.65
23:15–00:05 M45 0.83 0.53
00:05–04:45 — nothing worth pointing at — 4.67
04:45–05:55 NGC 7000 1.17 0.47
05:55–06:15 V1057 Cyg 0.33 0.36
06:15–07:20 — nothing worth pointing at — 1.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 50 unknown 19:30–21:25 (good) 89.8° at 15:25 138.8° 0.83
M42 Great Orion Nebula 78 unknown 19:30–23:10 (good) 42.9° at 20:15 96.3° 1.17
M45 Seven Sisters 100 unknown 19:30–23:30 (good) 72.6° at 18:30 121.0° 2.0
NGC 7000 North America Nebula 12 unknown 05:35–05:45 (good) 87.2° at 11:35 121.0° 1.17
V1057 Cyg 12 unknown 05:35–05:45 (good) 87.2° at 11:35 121.0° 0.33
M33 Triangulum Pinwheel 57 unknown 19:30–21:40 (good) 79.2° at 16:15 143.2° 1.17
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2044-02-15"

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"}.