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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 Tuesday, 15 December 2043 · astronomical night 18:31 → 06:01 (11.49 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.1M31 18:00–18:35: quality 0.3M31 18:35–20:40: quality 0.5M31 20:40–23:35: quality 0.4M31 23:35–01:35: quality 0.3M31 01:35–02:10: quality 0.2observe M31 21:00–22:30observe M31 23:45–01:15M42M42 20:35–20:45: quality 0.1M42 20:45–02:35: quality 0.2M42 02:35–03:15: quality 0.3M42 03:15–04:10: quality 0.2M45M45 17:40–18:00: quality 0.1M45 18:00–18:35: quality 0.2M45 18:35–18:50: quality 0.4M45 18:50–21:50: quality 0.3M45 21:50–04:10: quality 0.2NGC 7000NGC 7000 17:25–18:00: quality 0.1NGC 7000 18:00–18:35: quality 0.4NGC 7000 18:35–19:35: quality 0.7NGC 7000 19:35–21:05: quality 0.6NGC 7000 21:05–21:50: quality 0.5NGC 7000 21:50–22:15: quality 0.4NGC 7000 22:15–22:40: quality 0.3observe NGC 7000 18:00–19:30V1057 CygV1057 Cyg 17:25–18:00: quality 0.1V1057 Cyg 18:00–18:35: quality 0.4V1057 Cyg 18:35–19:35: quality 0.7V1057 Cyg 19:35–21:05: quality 0.6V1057 Cyg 21:05–21:50: quality 0.5V1057 Cyg 21:50–22:15: quality 0.4V1057 Cyg 22:15–22:40: quality 0.3observe V1057 Cyg 19:30–21:00M33M33 17:25–18:00: quality 0.1M33 18:00–18:35: quality 0.3M33 18:35–19:30: quality 0.5M33 19:30–22:00: quality 0.4M33 22:00–01:35: quality 0.3M33 01:35–02:20: quality 0.2observe M33 22:30–23:45scheduleNGC 7000V1057 CygM31M33M3118:0020:0022:0000:0002:0004:0006:00

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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–19:30 NGC 7000 1.5 0.57
19:30–21:00 V1057 Cyg 1.5 0.6
21:00–22:30 M31 1.5 0.41
22:30–23:45 M33 1.25 0.32
23:45–01:15 M31 1.5 0.33
01:15–07:45 — nothing worth pointing at — 6.5

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 43 unknown 18:35–01:15 (marginal) 89.8° at 19:30 54.5° 3.0
M42 Great Orion Nebula 11 unknown — 42.9° at 00:20 34.0° 0.0
M45 Seven Sisters 23 unknown 18:35–20:35 (marginal) 72.5° at 22:30 18.2° 0.0
NGC 7000 North America Nebula 46 unknown 18:35–20:20 (good) 87.2° at 15:45 90.4° 1.5
V1057 Cyg 46 unknown 18:35–20:20 (good) 87.3° at 15:45 90.4° 1.5
M33 Triangulum Pinwheel 36 unknown 18:35–23:45 (marginal) 79.2° at 20:20 45.9° 1.25

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2043-12-15"

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"}.