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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, 11 August 2028 · astronomical night 22:13 → 04:39 (6.44 h) · Moon 65% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 22:05–22:15: quality 0.2M31 22:15–22:30: quality 0.5M31 22:30–22:45: quality 0.6M31 22:45–22:50: quality 0.7M31 22:50–23:00: quality 0.5M31 23:00–03:10: quality 0.6M31 03:10–04:40: quality 0.5M31 04:40–05:20: quality 0.3M31 05:20–06:00: quality 0.1observe M31 00:45–02:20M42M45M45 02:10–02:15: quality 0.2M45 02:15–02:40: quality 0.3M45 02:40–03:35: quality 0.4M45 03:35–04:40: quality 0.5M45 04:40–05:20: quality 0.2M45 05:20–06:00: quality 0.1observe M45 03:55–04:40NGC 7000NGC 7000 21:00–21:35: quality 0.1NGC 7000 21:35–22:15: quality 0.5NGC 7000 22:15–22:50: quality 1.0NGC 7000 22:50–01:10: quality 0.8NGC 7000 01:10–04:15: quality 0.7NGC 7000 04:15–04:40: quality 0.6NGC 7000 04:40–05:20: quality 0.3NGC 7000 05:20–06:00: quality 0.1observe NGC 7000 21:35–23:10observe NGC 7000 04:40–05:10V1057 CygV1057 Cyg 21:00–21:35: quality 0.1V1057 Cyg 21:35–22:15: quality 0.5V1057 Cyg 22:15–22:50: quality 1.0V1057 Cyg 22:50–01:10: quality 0.8V1057 Cyg 01:10–04:15: quality 0.7V1057 Cyg 04:15–04:40: quality 0.6V1057 Cyg 04:40–05:20: quality 0.3V1057 Cyg 05:20–06:00: quality 0.1observe V1057 Cyg 23:10–00:45M33M33 23:35–23:50: quality 0.3M33 23:50–00:15: quality 0.4M33 00:15–04:40: quality 0.5M33 04:40–05:20: quality 0.3M33 05:20–06:00: quality 0.1observe M33 02:20–03:55scheduleNGC 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
20:25–21:35 — nothing worth pointing at — 1.17
21:35–23:10 NGC 7000 1.58 0.75
23:10–00:45 V1057 Cyg 1.58 0.79
00:45–02:20 M31 1.58 0.59
02:20–03:55 M33 1.58 0.54
03:55–04:40 M45 0.75 0.46
04:40–05:10 NGC 7000 0.5 0.31
05:10–06:30 — nothing worth pointing at — 1.33

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 64 unknown 22:40–22:50 (good) 89.6° at 04:40 28.5° 1.58
M42 Great Orion Nebula 0 unknown — 42.9° at 09:35 59.5° 0.0
M45 Seven Sisters 15 unknown 02:30–04:40 (marginal) 72.5° at 07:45 27.6° 0.75
NGC 7000 North America Nebula 100 unknown 22:15–04:40 (good) 87.2° at 00:55 66.4° 2.08
V1057 Cyg 100 unknown 22:15–04:40 (good) 87.3° at 00:55 66.4° 1.58
M33 Triangulum Pinwheel 38 unknown 23:40–04:40 (marginal) 79.1° at 05:30 14.3° 1.58

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2028-08-11"

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"}.