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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 Friday, 12 February 2044 · astronomical night 19:23 → 05:46 (10.38 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:20–18:55: quality 0.1M31 18:55–19:25: quality 0.4M31 19:25–19:30: quality 0.8M31 19:30–20:50: quality 0.7M31 20:50–21:30: quality 0.6M31 21:30–21:50: quality 0.5M31 21:50–22:10: quality 0.4M31 22:10–22:20: quality 0.3observe M31 20:00–21:05M42M42 18:20–18:55: quality 0.1M42 18:55–19:25: quality 0.3M42 19:25–21:20: quality 0.5M42 21:20–23:20: quality 0.4M42 23:20–23:55: quality 0.3M42 23:55–00:20: quality 0.2observe M42 22:10–23:20M45M45 18:20–18:55: quality 0.1M45 18:55–19:00: quality 0.4M45 19:00–19:25: quality 0.3M45 19:25–20:20: quality 0.7M45 20:20–21:55: quality 0.6M45 21:55–23:25: quality 0.5M45 23:25–23:50: quality 0.4M45 23:50–00:15: quality 0.3M45 00:15–00:20: quality 0.2observe M45 21:05–22:10observe M45 23:20–00:00NGC 7000NGC 7000 18:20–18:50: quality 0.1NGC 7000 05:00–05:20: quality 0.4NGC 7000 05:20–05:40: quality 0.5NGC 7000 05:40–05:50: quality 0.6NGC 7000 05:50–06:05: quality 0.3NGC 7000 06:05–06:20: quality 0.4NGC 7000 06:20–06:55: quality 0.1observe NGC 7000 05:00–06:05V1057 CygV1057 Cyg 18:20–18:50: quality 0.1V1057 Cyg 05:00–05:20: quality 0.4V1057 Cyg 05:20–05:40: quality 0.5V1057 Cyg 05:40–05:50: quality 0.6V1057 Cyg 05:50–06:05: quality 0.3V1057 Cyg 06:05–06:20: quality 0.4V1057 Cyg 06:20–06:55: quality 0.1observe V1057 Cyg 06:05–06:20M33M33 18:20–18:55: quality 0.1M33 18:55–19:25: quality 0.4M33 19:25–19:40: quality 0.8M33 19:40–21:00: quality 0.7M33 21:00–21:45: quality 0.6M33 21:45–22:00: quality 0.5M33 22:00–22:20: quality 0.4M33 22:20–22:30: quality 0.3observe M33 18:55–20:00scheduleM33M31M45M42NGC 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
17:45–18:55 — nothing worth pointing at — 1.17
18:55–20:00 M33 1.08 0.59
20:00–21:05 M31 1.08 0.67
21:05–22:10 M45 1.08 0.57
22:10–23:20 M42 1.17 0.39
23:20–00:00 M45 0.67 0.39
00:00–05:00 — nothing worth pointing at — 5.0
05:00–06:05 NGC 7000 1.08 0.45
06:05–06:20 V1057 Cyg 0.25 0.36
06:20–07:20 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 38 unknown 19:25–21:20 (good) 89.6° at 15:35 106.3° 1.08
M42 Great Orion Nebula 28 unknown 19:25–23:40 (marginal) 42.9° at 20:30 62.4° 1.17
M45 Seven Sisters 49 unknown 19:25–21:10 (good) 72.6° at 18:40 79.5° 1.75
NGC 7000 North America Nebula 10 unknown 05:45–05:50 (good) 87.2° at 11:50 117.7° 1.08
V1057 Cyg 10 unknown 05:45–05:50 (good) 87.3° at 11:50 117.8° 0.25
M33 Triangulum Pinwheel 42 unknown 19:25–21:35 (good) 79.2° at 16:30 104.3° 1.08
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2044-02-12"

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"}.