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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 Wednesday, 05 March 2031 · astronomical night 19:48 → 05:16 (9.47 h) · Moon 89% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:45–19:20: quality 0.1M31 19:20–19:50: quality 0.3M31 19:50–20:00: quality 0.6M31 20:00–20:25: quality 0.5M31 20:25–20:45: quality 0.4M31 20:45–20:55: quality 0.3observe M31 19:20–20:15M42M42 18:45–19:20: quality 0.1M42 19:20–19:50: quality 0.2M42 19:50–21:50: quality 0.4M42 21:50–22:30: quality 0.3M42 22:30–22:55: quality 0.2observe M42 22:00–22:10M45M45 18:45–19:20: quality 0.1M45 19:20–19:50: quality 0.3M45 19:50–19:55: quality 0.6M45 19:55–21:50: quality 0.5M45 21:50–22:25: quality 0.4M45 22:25–22:50: quality 0.3M45 22:50–22:55: quality 0.2observe M45 21:05–22:00observe M45 22:10–22:35NGC 7000NGC 7000 03:35–03:50: quality 0.4NGC 7000 03:50–04:10: quality 0.5NGC 7000 04:10–04:30: quality 0.6NGC 7000 04:30–04:50: quality 0.7NGC 7000 04:50–05:20: quality 0.8NGC 7000 05:20–05:50: quality 0.4NGC 7000 05:50–06:25: quality 0.1observe NGC 7000 03:35–04:30V1057 CygV1057 Cyg 03:35–03:50: quality 0.4V1057 Cyg 03:50–04:10: quality 0.5V1057 Cyg 04:10–04:30: quality 0.6V1057 Cyg 04:30–04:50: quality 0.7V1057 Cyg 04:50–05:20: quality 0.8V1057 Cyg 05:20–05:50: quality 0.4V1057 Cyg 05:50–06:25: quality 0.1observe V1057 Cyg 04:30–05:50M33M33 18:45–19:20: quality 0.1M33 19:20–19:50: quality 0.3M33 19:50–20:15: quality 0.6M33 20:15–20:35: quality 0.5M33 20:35–20:55: quality 0.4M33 20:55–21:05: quality 0.3observe M33 20:15–21:05scheduleM31M33M45NGC 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
18:15–19:20 — nothing worth pointing at — 1.08
19:20–20:15 M31 0.92 0.42
20:15–21:05 M33 0.83 0.42
21:05–22:00 M45 0.92 0.46
22:00–22:10 M42 0.17 0.31
22:10–22:35 M45 0.42 0.35
22:35–03:35 — nothing worth pointing at — 5.0
03:35–04:30 NGC 7000 0.92 0.51
04:30–05:50 V1057 Cyg 1.33 0.64
05:50–06:50 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 11 unknown 19:20–20:55 (marginal) 89.6° at 14:15 100.3° 0.92
M42 Great Orion Nebula 12 unknown 19:50–22:10 (marginal) 42.9° at 19:05 48.3° 0.17
M45 Seven Sisters 22 unknown 19:50–22:35 (marginal) 72.5° at 17:15 68.0° 1.33
NGC 7000 North America Nebula 29 unknown 04:20–05:20 (good) 87.2° at 10:25 121.4° 0.92
V1057 Cyg 29 unknown 04:20–05:20 (good) 87.3° at 10:25 121.4° 1.33
M33 Triangulum Pinwheel 12 unknown 19:50–19:55 (good) 79.1° at 15:05 95.3° 0.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-03-05"

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"}.