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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, 14 February 2030 · astronomical night 19:26 → 05:43 (10.28 h) · Moon 88% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:25–18:55: quality 0.1M31 18:55–19:30: quality 0.3M31 19:30–20:10: quality 0.6M31 20:10–21:15: quality 0.5M31 21:15–21:45: quality 0.4M31 21:45–22:10: quality 0.3observe M31 18:55–19:20observe M31 19:30–20:05M42M42 18:25–18:55: quality 0.1M42 18:55–19:30: quality 0.2M42 19:30–23:25: quality 0.3M42 23:25–00:10: quality 0.2observe M42 21:05–21:40M45M45 18:25–18:55: quality 0.1M45 18:55–19:30: quality 0.2M45 19:30–19:35: quality 0.5M45 19:35–23:05: quality 0.4M45 23:05–23:45: quality 0.3M45 23:45–00:10: quality 0.2observe M45 21:40–23:30NGC 7000NGC 7000 18:25–18:35: quality 0.1NGC 7000 04:50–05:05: quality 0.4NGC 7000 05:05–05:15: quality 0.5NGC 7000 05:15–05:35: quality 0.6NGC 7000 05:35–05:45: quality 0.7NGC 7000 05:45–06:20: quality 0.4NGC 7000 06:20–06:50: quality 0.1observe NGC 7000 04:50–05:50V1057 CygV1057 Cyg 18:25–18:35: quality 0.1V1057 Cyg 04:50–05:05: quality 0.4V1057 Cyg 05:05–05:15: quality 0.5V1057 Cyg 05:15–05:35: quality 0.6V1057 Cyg 05:35–05:45: quality 0.7V1057 Cyg 05:45–06:20: quality 0.4V1057 Cyg 06:20–06:50: quality 0.1observe V1057 Cyg 05:50–06:20M33M33 18:25–18:55: quality 0.1M33 18:55–19:30: quality 0.3M33 19:30–19:50: quality 0.6M33 19:50–21:25: quality 0.5M33 21:25–21:50: quality 0.4M33 21:50–22:15: quality 0.3M33 22:15–22:20: quality 0.2observe M33 20:05–21:05scheduleM33M45NGC 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
18:55–19:20 M31 0.42 0.31
19:20–19:30 — nothing worth pointing at — 0.17
19:30–20:05 M31 0.58 0.57
20:05–21:05 M33 1.0 0.51
21:05–21:40 M42 0.58 0.3
21:40–23:30 M45 1.83 0.36
23:30–04:50 — nothing worth pointing at — 5.33
04:50–05:50 NGC 7000 1.0 0.53
05:50–06:20 V1057 Cyg 0.5 0.4
06:20–07:20 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 22 unknown 19:30–21:55 (marginal) 89.5° at 15:25 80.9° 1.0
M42 Great Orion Nebula 12 unknown 19:30–21:40 (marginal) 42.9° at 20:20 34.4° 0.58
M45 Seven Sisters 21 unknown 19:30–23:30 (marginal) 72.5° at 18:30 46.2° 1.83
NGC 7000 North America Nebula 14 unknown 05:25–05:45 (good) 87.2° at 11:40 110.2° 1.0
V1057 Cyg 14 unknown 05:25–05:45 (good) 87.3° at 11:40 110.2° 0.5
M33 Triangulum Pinwheel 22 unknown 19:30–22:05 (marginal) 79.1° at 16:20 74.1° 1.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-02-14"

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"}.