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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, 14 February 2028 · astronomical night 19:25 → 05:44 (10.3 h) · Moon 75% (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 19:30–20:20: quality 0.9M31 20:20–21:15: quality 0.8M31 21:15–21:30: quality 0.7M31 21:30–21:45: quality 0.6M31 21:45–22:00: quality 0.5M31 22:00–22:10: quality 0.4observe M31 21:15–22:00M42M42 18:25–18:55: quality 0.1M42 18:55–19:30: quality 0.4M42 19:30–22:05: quality 0.9M42 22:05–23:10: quality 0.8M42 23:10–23:25: quality 0.7M42 23:25–23:40: quality 0.6M42 23:40–23:55: quality 0.5M42 23:55–00:10: quality 0.4observe M42 22:00–00:10M45M45 18:25–18:55: quality 0.2M45 18:55–19:30: quality 0.5M45 19:30–21:15: quality 1.0M45 21:15–22:35: quality 0.9M45 22:35–23:15: quality 0.8M45 23:15–23:30: quality 0.7M45 23:30–23:45: quality 0.6M45 23:45–00:00: quality 0.5M45 00:00–00:10: quality 0.4observe M45 20:05–21:15NGC 7000NGC 7000 18:25–18:40: quality 0.1NGC 7000 04:50–05:10: quality 0.4NGC 7000 05:10–05:30: quality 0.5NGC 7000 05:30–05:45: quality 0.6NGC 7000 05:45–05:55: quality 0.3NGC 7000 05:55–06:20: quality 0.4NGC 7000 06:20–06:50: quality 0.1observe NGC 7000 04:50–06:00V1057 CygV1057 Cyg 18:25–18:40: quality 0.1V1057 Cyg 04:50–05:10: quality 0.4V1057 Cyg 05:10–05:30: quality 0.5V1057 Cyg 05:30–05:45: quality 0.6V1057 Cyg 05:45–05:55: quality 0.3V1057 Cyg 05:55–06:20: quality 0.4V1057 Cyg 06:20–06:50: quality 0.1observe V1057 Cyg 06:00–06:20M33M33 18:25–18:40: quality 0.2M33 18:40–18:55: quality 0.1M33 18:55–19:30: quality 0.5M33 19:30–20:45: quality 0.9M33 20:45–21:30: quality 0.8M33 21:30–21:45: quality 0.7M33 21:45–22:00: quality 0.6M33 22:00–22:15: quality 0.5M33 22:15–22:20: quality 0.4observe M33 18:55–20:05scheduleM33M45M31M42NGC 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 0.98
21:15–22:00 M31 0.75 0.6
22:00–00:10 M42 2.17 0.7
00:10–04:50 — nothing worth pointing at — 4.67
04:50–06:00 NGC 7000 1.17 0.46
06:00–06:20 V1057 Cyg 0.33 0.36
06:20–07:20 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 53 unknown 19:30–21:40 (good) 89.7° at 15:30 151.8° 0.75
M42 Great Orion Nebula 89 unknown 19:30–23:30 (good) 42.9° at 20:20 115.3° 2.17
M45 Seven Sisters 100 unknown 19:30–23:35 (good) 72.5° at 18:30 146.0° 1.17
NGC 7000 North America Nebula 11 unknown 05:40–05:45 (good) 87.2° at 11:40 116.6° 1.17
V1057 Cyg 11 unknown 05:40–05:45 (good) 87.3° at 11:40 116.6° 0.33
M33 Triangulum Pinwheel 60 unknown 19:30–21:50 (good) 79.1° at 16:20 164.0° 1.17
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-02-14"

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"}.