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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, 31 May 2029 · astronomical night 22:54 → 03:43 (4.82 h) · Moon 80% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 02:50–03:00: quality 0.3M31 03:00–03:20: quality 0.4M31 03:20–03:40: quality 0.5M31 03:40–03:45: quality 0.6M31 03:45–04:35: quality 0.3M31 04:35–05:20: quality 0.1observe M31 02:50–03:45observe M31 04:15–04:35M42M45NGC 7000NGC 7000 22:50–22:55: quality 0.2NGC 7000 22:55–23:00: quality 0.4NGC 7000 23:00–23:20: quality 0.5NGC 7000 23:20–23:35: quality 0.6NGC 7000 23:35–23:50: quality 0.7NGC 7000 23:50–00:15: quality 0.8NGC 7000 00:15–01:30: quality 0.6NGC 7000 01:30–03:45: quality 0.7NGC 7000 03:45–04:35: quality 0.3NGC 7000 04:35–05:20: quality 0.1observe NGC 7000 22:55–00:50observe NGC 7000 03:45–04:15V1057 CygV1057 Cyg 22:50–22:55: quality 0.2V1057 Cyg 22:55–23:00: quality 0.4V1057 Cyg 23:00–23:20: quality 0.5V1057 Cyg 23:20–23:35: quality 0.6V1057 Cyg 23:35–23:50: quality 0.7V1057 Cyg 23:50–00:15: quality 0.8V1057 Cyg 00:15–01:35: quality 0.6V1057 Cyg 01:35–03:45: quality 0.7V1057 Cyg 03:45–04:35: quality 0.3V1057 Cyg 04:35–05:20: quality 0.1observe V1057 Cyg 00:50–02:50M33M33 04:20–04:35: quality 0.2M33 04:35–05:20: quality 0.1scheduleNGC 7000V1057 CygM31NGC 700022:0000:0002:0004:00

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
20:45–22:55 — nothing worth pointing at — 2.17
22:55–00:50 NGC 7000 1.92 0.64
00:50–02:50 V1057 Cyg 2.0 0.66
02:50–03:45 M31 0.92 0.44
03:45–04:15 NGC 7000 0.5 0.33
04:15–04:35 M31 0.33 0.31
04:35–05:50 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 10 unknown 02:50–03:45 (marginal) 89.7° at 09:25 83.0° 1.25
M42 Great Orion Nebula 0 unknown — 42.9° at 14:20 132.7° 0.0
M45 Seven Sisters 0 unknown — 72.5° at 12:35 114.9° 0.0
NGC 7000 North America Nebula 72 unknown 23:25–03:45 (good) 87.2° at 05:40 61.4° 2.42
V1057 Cyg 72 unknown 23:25–03:45 (good) 87.3° at 05:40 61.3° 2.0
M33 Triangulum Pinwheel 0 unknown — 79.1° at 10:15 87.9° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-05-31"

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"}.