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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, 03 March 2039 · astronomical night 19:45 → 05:19 (9.56 h) · Moon 58% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:45–19:15: quality 0.1M31 19:15–19:50: quality 0.3M31 19:50–20:20: quality 0.5M31 20:20–20:45: quality 0.4M31 20:45–21:05: quality 0.3observe M31 19:50–20:45M42M42 18:45–19:15: quality 0.1M42 19:15–19:50: quality 0.2M42 19:50–22:05: quality 0.5M42 22:05–22:35: quality 0.4M42 22:35–23:05: quality 0.3observe M42 22:00–22:50M45M45 18:45–19:15: quality 0.1M45 19:15–19:50: quality 0.3M45 19:50–22:15: quality 0.5M45 22:15–22:40: quality 0.4M45 22:40–23:05: quality 0.3observe M45 21:05–22:00NGC 7000NGC 7000 03:45–03:50: quality 0.4NGC 7000 03:50–04:10: quality 0.5NGC 7000 04:10–04:25: quality 0.6NGC 7000 04:25–04:45: quality 0.7NGC 7000 04:45–05:20: quality 0.8NGC 7000 05:20–05:55: quality 0.4NGC 7000 05:55–06:25: quality 0.1observe NGC 7000 03:45–04:40V1057 CygV1057 Cyg 03:45–03:50: quality 0.4V1057 Cyg 03:50–04:10: quality 0.5V1057 Cyg 04:10–04:25: quality 0.6V1057 Cyg 04:25–04:45: quality 0.7V1057 Cyg 04:45–05:20: quality 0.8V1057 Cyg 05:20–05:55: quality 0.4V1057 Cyg 05:55–06:25: quality 0.1observe V1057 Cyg 04:40–05:55M33M33 18:45–19:15: quality 0.1M33 19:15–19:50: quality 0.3M33 19:50–20:30: quality 0.5M33 20:30–20:55: quality 0.4M33 20:55–21:15: quality 0.3observe M33 20:45–21:05scheduleM31M45M42NGC 7000V1057 Cyg20:0022:0000:0002:0004:0006:00

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
18:10–19:50 — nothing worth pointing at — 1.67
19:50–20:45 M31 0.92 0.46
20:45–21:05 M33 0.33 0.35
21:05–22:00 M45 0.92 0.49
22:00–22:50 M42 0.83 0.39
22:50–03:45 — nothing worth pointing at — 4.92
03:45–04:40 NGC 7000 0.92 0.57
04:40–05:55 V1057 Cyg 1.25 0.62
05:55–06:55 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 10 unknown 19:50–21:00 (marginal) 89.7° at 14:20 61.3° 0.92
M42 Great Orion Nebula 20 unknown 19:50–22:50 (marginal) 42.9° at 19:15 28.2° 0.83
M45 Seven Sisters 23 unknown 19:50–22:50 (marginal) 72.5° at 17:25 23.1° 0.92
NGC 7000 North America Nebula 28 unknown 04:20–05:20 (good) 87.2° at 10:35 97.3° 0.92
V1057 Cyg 28 unknown 04:20–05:20 (good) 87.3° at 10:35 97.4° 1.25
M33 Triangulum Pinwheel 11 unknown 19:50–21:05 (marginal) 79.2° at 15:10 52.1° 0.33
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-03-03"

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"}.