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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, 26 July 2029 · astronomical night 22:41 → 04:13 (5.54 h) · Moon 98% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 23:10–23:30: quality 0.3M31 23:30–00:00: quality 0.4M31 00:00–02:05: quality 0.5M31 02:05–04:15: quality 0.6M31 04:15–05:00: quality 0.3M31 05:00–05:40: quality 0.1observe M31 01:15–02:30M42M45M45 03:15–03:25: quality 0.3M45 03:25–03:40: quality 0.4M45 03:40–04:00: quality 0.5M45 04:00–04:15: quality 0.6M45 04:15–05:00: quality 0.3M45 05:00–05:40: quality 0.1observe M45 03:45–05:00NGC 7000NGC 7000 21:20–22:00: quality 0.1NGC 7000 22:00–22:45: quality 0.3NGC 7000 22:45–00:30: quality 0.6NGC 7000 00:30–04:15: quality 0.5NGC 7000 04:15–05:00: quality 0.3NGC 7000 05:00–05:40: quality 0.1observe NGC 7000 22:45–00:00V1057 CygV1057 Cyg 21:20–22:00: quality 0.1V1057 Cyg 22:00–22:45: quality 0.3V1057 Cyg 22:45–00:30: quality 0.6V1057 Cyg 00:30–04:15: quality 0.5V1057 Cyg 04:15–05:00: quality 0.3V1057 Cyg 05:00–05:40: quality 0.1observe V1057 Cyg 00:00–01:15M33M33 00:40–01:05: quality 0.3M33 01:05–01:25: quality 0.4M33 01:25–03:00: quality 0.5M33 03:00–04:15: quality 0.6M33 04:15–05:00: quality 0.3M33 05:00–05:40: quality 0.1observe M33 02:30–03:45scheduleNGC 7000V1057 CygM31M33M4522:0000:0002:0004:0006:00

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
20:45–22:45 — nothing worth pointing at — 2.0
22:45–00:00 NGC 7000 1.25 0.58
00:00–01:15 V1057 Cyg 1.25 0.55
01:15–02:30 M31 1.25 0.54
02:30–03:45 M33 1.25 0.56
03:45–05:00 M45 1.25 0.41
05:00–06:15 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 45 unknown 03:50–04:15 (good) 89.7° at 05:45 68.9° 1.25
M42 Great Orion Nebula 0 unknown — 42.9° at 10:35 119.9° 0.0
M45 Seven Sisters 12 unknown 04:10–04:15 (good) 72.5° at 08:50 98.7° 1.25
NGC 7000 North America Nebula 52 unknown 22:45–04:15 (marginal) 87.2° at 02:00 55.7° 1.25
V1057 Cyg 52 unknown 22:45–04:15 (marginal) 87.3° at 02:00 55.7° 1.25
M33 Triangulum Pinwheel 33 unknown 03:55–04:15 (good) 79.1° at 06:35 72.2° 1.25

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-07-26"

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"}.