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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, 09 July 2028 · astronomical night 23:03 → 03:50 (4.78 h) · Moon 90% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 00:15–00:35: quality 0.3M31 00:35–01:00: quality 0.4M31 01:00–02:35: quality 0.5M31 02:35–03:55: quality 0.6M31 03:55–04:45: quality 0.3M31 04:45–05:25: quality 0.1observe M31 01:35–03:10observe M31 04:00–04:45M42M45M45 04:20–04:45: quality 0.2M45 04:45–05:25: quality 0.1NGC 7000NGC 7000 21:35–22:15: quality 0.1NGC 7000 22:15–22:35: quality 0.4NGC 7000 22:35–23:05: quality 0.3NGC 7000 23:05–03:55: quality 0.6NGC 7000 03:55–04:45: quality 0.3NGC 7000 04:45–05:25: quality 0.1observe NGC 7000 22:15–23:55V1057 CygV1057 Cyg 21:35–22:15: quality 0.1V1057 Cyg 22:15–22:35: quality 0.4V1057 Cyg 22:35–23:05: quality 0.3V1057 Cyg 23:05–03:55: quality 0.6V1057 Cyg 03:55–04:45: quality 0.3V1057 Cyg 04:45–05:25: quality 0.1observe V1057 Cyg 23:55–01:35M33M33 01:45–02:05: quality 0.3M33 02:05–02:30: quality 0.4M33 02:30–03:50: quality 0.5M33 03:50–03:55: quality 0.6M33 03:55–04:45: quality 0.3M33 04:45–05:25: quality 0.1observe M33 03:10–03:55scheduleNGC 7000V1057 CygM31M33M3122:0000:0002:0004:00

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
20:55–22:15 — nothing worth pointing at — 1.33
22:15–23:55 NGC 7000 1.67 0.5
23:55–01:35 V1057 Cyg 1.67 0.62
01:35–03:10 M31 1.58 0.54
03:10–03:55 M33 0.75 0.54
03:55–04:00 — nothing worth pointing at — 0.08
04:00–04:45 M31 0.75 0.3
04:45–06:00 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 32 unknown 00:20–03:55 (marginal) 89.7° at 06:50 66.8° 2.33
M42 Great Orion Nebula 0 unknown — 42.9° at 11:45 116.5° 0.0
M45 Seven Sisters 1 unknown — 72.5° at 09:55 95.5° 0.0
NGC 7000 North America Nebula 56 unknown 23:05–01:20 (good) 87.2° at 03:05 56.1° 1.67
V1057 Cyg 56 unknown 23:05–01:20 (good) 87.3° at 03:05 56.1° 1.67
M33 Triangulum Pinwheel 18 unknown 01:55–03:55 (marginal) 79.1° at 07:40 69.5° 0.75

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-07-09"

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"}.