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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, 29 June 2029 · astronomical night 23:09 → 03:39 (4.5 h) · Moon 84% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

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

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
20:55–22:20 — nothing worth pointing at — 1.42
22:20–23:45 NGC 7000 1.42 0.51
23:45–01:10 V1057 Cyg 1.42 0.65
01:10–02:35 M31 1.42 0.48
02:35–03:40 M33 1.08 0.44
03:40–04:20 — nothing worth pointing at — 0.67
04:20–04:35 M31 0.25 0.3
04:35–05:50 — nothing worth pointing at — 1.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 24 unknown 01:00–03:40 (marginal) 89.6° at 07:30 64.9° 1.67
M42 Great Orion Nebula 0 unknown — 42.9° at 12:25 116.1° 0.0
M45 Seven Sisters 0 unknown — 72.5° at 10:35 94.0° 0.0
NGC 7000 North America Nebula 58 unknown 23:10–02:35 (good) 87.2° at 03:45 54.5° 1.42
V1057 Cyg 58 unknown 23:10–02:35 (good) 87.3° at 03:45 54.5° 1.42
M33 Triangulum Pinwheel 11 unknown 02:35–03:40 (marginal) 79.1° at 08:20 67.7° 1.08

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-06-29"

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"}.