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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 Monday, 23 March 2043 · astronomical night 20:10 → 04:44 (8.57 h) · Moon 97% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:05–19:40: quality 0.1M31 19:40–19:45: quality 0.2M42M42 19:05–19:40: quality 0.1M42 19:40–20:15: quality 0.3M42 20:15–21:00: quality 0.5M42 21:00–21:25: quality 0.4M42 21:25–21:45: quality 0.3observe M42 20:55–21:35M45M45 19:05–19:40: quality 0.1M45 19:40–19:45: quality 0.4M45 19:45–20:15: quality 0.3M45 20:15–20:25: quality 0.7M45 20:25–21:00: quality 0.6M45 21:00–21:20: quality 0.5M45 21:20–21:35: quality 0.4M45 21:35–21:45: quality 0.3observe M45 19:40–20:55observe M45 21:35–21:45NGC 7000NGC 7000 02:25–02:45: quality 0.4NGC 7000 02:45–03:05: quality 0.5NGC 7000 03:05–03:20: quality 0.6NGC 7000 03:20–04:10: quality 0.7NGC 7000 04:10–04:45: quality 0.8NGC 7000 04:45–05:20: quality 0.4NGC 7000 05:20–05:55: quality 0.1observe NGC 7000 02:25–03:40V1057 CygV1057 Cyg 02:25–02:45: quality 0.4V1057 Cyg 02:45–03:05: quality 0.5V1057 Cyg 03:05–03:20: quality 0.6V1057 Cyg 03:20–04:10: quality 0.7V1057 Cyg 04:10–04:45: quality 0.8V1057 Cyg 04:45–05:20: quality 0.4V1057 Cyg 05:20–05:55: quality 0.1observe V1057 Cyg 03:40–05:20M33M33 19:05–19:40: quality 0.1M33 19:40–19:55: quality 0.2scheduleM45M42NGC 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
18:35–19:40 — nothing worth pointing at — 1.08
19:40–20:55 M45 1.25 0.5
20:55–21:35 M42 0.67 0.38
21:35–21:45 M45 0.17 0.33
21:45–02:25 — nothing worth pointing at — 4.67
02:25–03:40 NGC 7000 1.25 0.55
03:40–05:20 V1057 Cyg 1.67 0.63
05:20–06:20 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 0 unknown — 89.5° at 13:05 125.8° 0.0
M42 Great Orion Nebula 12 unknown 20:15–21:35 (marginal) 42.9° at 17:55 83.5° 0.67
M45 Seven Sisters 18 unknown 20:15–20:55 (good) 72.6° at 16:05 104.4° 1.42
NGC 7000 North America Nebula 36 unknown 03:15–04:45 (good) 87.2° at 09:15 120.2° 1.25
V1057 Cyg 36 unknown 03:15–04:45 (good) 87.3° at 09:15 120.3° 1.67
M33 Triangulum Pinwheel 1 unknown — 79.2° at 13:55 127.4° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2043-03-23"

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"}.