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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 Sunday, 26 February 2034 · astronomical night 19:40 → 05:26 (9.78 h) · Moon 64% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:40–19:10: quality 0.1M31 19:10–19:45: quality 0.3M31 19:45–19:55: quality 0.6M31 19:55–20:40: quality 0.5M31 20:40–21:05: quality 0.4M31 21:05–21:20: quality 0.3observe M31 19:45–20:40M42M42 18:40–19:10: quality 0.1M42 19:10–19:45: quality 0.2M42 19:45–22:05: quality 0.5M42 22:05–22:50: quality 0.4M42 22:50–23:20: quality 0.3observe M42 22:15–23:05M45M45 18:40–19:10: quality 0.1M45 19:10–19:45: quality 0.3M45 19:45–22:30: quality 0.5M45 22:30–22:55: quality 0.4M45 22:55–23:20: quality 0.3observe M45 21:20–22:15NGC 7000NGC 7000 04:00–04:10: quality 0.4NGC 7000 04:10–04:30: quality 0.5NGC 7000 04:30–04:45: quality 0.6NGC 7000 04:45–05:00: quality 0.7NGC 7000 05:00–05:30: quality 0.8NGC 7000 05:30–06:00: quality 0.4NGC 7000 06:00–06:35: quality 0.1observe NGC 7000 04:00–04:55V1057 CygV1057 Cyg 04:00–04:10: quality 0.4V1057 Cyg 04:10–04:30: quality 0.5V1057 Cyg 04:30–04:45: quality 0.6V1057 Cyg 04:45–05:00: quality 0.7V1057 Cyg 05:00–05:30: quality 0.8V1057 Cyg 05:30–06:00: quality 0.4V1057 Cyg 06:00–06:35: quality 0.1observe V1057 Cyg 04:55–06:00M33M33 18:40–19:10: quality 0.1M33 19:10–19:45: quality 0.3M33 19:45–20:50: quality 0.5M33 20:50–21:10: quality 0.4M33 21:10–21:30: quality 0.3observe M33 20:40–21:20scheduleM31M45M42NGC 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
18:05–19:45 — nothing worth pointing at — 1.67
19:45–20:40 M31 0.92 0.52
20:40–21:20 M33 0.67 0.4
21:20–22:15 M45 0.92 0.46
22:15–23:05 M42 0.83 0.38
23:05–04:00 — nothing worth pointing at — 4.92
04:00–04:55 NGC 7000 0.92 0.55
04:55–06:00 V1057 Cyg 1.08 0.62
06:00–07:00 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 13 unknown 19:45–21:15 (marginal) 89.8° at 14:40 65.9° 0.92
M42 Great Orion Nebula 19 unknown 19:45–23:05 (marginal) 42.9° at 19:30 23.5° 0.83
M45 Seven Sisters 23 unknown 19:45–23:05 (marginal) 72.5° at 17:45 26.3° 0.92
NGC 7000 North America Nebula 25 unknown 04:35–05:30 (good) 87.2° at 10:50 102.4° 0.92
V1057 Cyg 25 unknown 04:35–05:30 (good) 87.3° at 10:50 102.4° 1.08
M33 Triangulum Pinwheel 13 unknown 19:45–21:20 (marginal) 79.1° at 15:30 56.0° 0.67
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-02-26"

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"}.