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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 Friday, 14 July 2028 · astronomical night 22:57 → 03:56 (4.98 h) · Moon 49% (last quarter) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 23:55–00:05: quality 0.4M31 00:05–00:45: quality 0.5M31 00:45–02:20: quality 0.6M31 02:20–04:00: quality 0.7M31 04:00–04:50: quality 0.3M31 04:50–05:30: quality 0.1observe M31 01:30–03:10M42M45M45 04:00–04:05: quality 0.1M45 04:05–04:50: quality 0.2M45 04:50–05:30: quality 0.1NGC 7000NGC 7000 21:30–22:10: quality 0.1NGC 7000 22:10–22:40: quality 0.4NGC 7000 22:40–23:00: quality 0.5NGC 7000 23:00–23:20: quality 0.9NGC 7000 23:20–00:20: quality 1.0NGC 7000 00:20–00:45: quality 0.9NGC 7000 00:45–04:00: quality 0.8NGC 7000 04:00–04:50: quality 0.4NGC 7000 04:50–05:30: quality 0.1observe NGC 7000 22:10–23:50V1057 CygV1057 Cyg 21:30–22:10: quality 0.1V1057 Cyg 22:10–22:40: quality 0.4V1057 Cyg 22:40–23:00: quality 0.5V1057 Cyg 23:00–23:20: quality 0.9V1057 Cyg 23:20–00:20: quality 1.0V1057 Cyg 00:20–00:45: quality 0.9V1057 Cyg 00:45–04:00: quality 0.8V1057 Cyg 04:00–04:50: quality 0.4V1057 Cyg 04:50–05:30: quality 0.1observe V1057 Cyg 23:50–01:30M33M33 01:25–01:35: quality 0.3M33 01:35–01:55: quality 0.4M33 01:55–02:15: quality 0.5M33 02:15–04:00: quality 0.6M33 04:00–04:50: quality 0.3M33 04:50–05:30: quality 0.1observe M33 03:10–04:50scheduleNGC 7000V1057 CygM31M3322:0000:0002:0004:0006:00

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
20:50–22:10 — nothing worth pointing at — 1.33
22:10–23:50 NGC 7000 1.67 0.7
23:50–01:30 V1057 Cyg 1.67 0.89
01:30–03:10 M31 1.67 0.65
03:10–04:50 M33 1.67 0.46
04:50–06:05 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 49 unknown 00:55–04:00 (good) 89.6° at 06:30 28.3° 1.67
M42 Great Orion Nebula 0 unknown — 42.9° at 11:25 66.3° 0.0
M45 Seven Sisters 1 unknown — 72.5° at 09:35 36.0° 0.0
NGC 7000 North America Nebula 100 unknown 23:00–04:00 (good) 87.2° at 02:45 62.5° 1.67
V1057 Cyg 100 unknown 23:00–04:00 (good) 87.3° at 02:50 62.5° 1.67
M33 Triangulum Pinwheel 27 unknown 03:05–04:00 (good) 79.1° at 07:20 16.9° 1.67

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-07-14"

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"}.