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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, 04 August 2047 · astronomical night 22:27 → 04:27 (6.01 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 22:35–22:50: quality 0.3M31 22:50–23:10: quality 0.4M31 23:10–23:35: quality 0.5M31 23:35–01:20: quality 0.6M31 01:20–03:50: quality 0.7M31 03:50–04:30: quality 0.8M31 04:30–05:10: quality 0.4M31 05:10–05:40: quality 0.1M31 05:40–05:50: quality 0.2observe M31 00:55–02:25M42M45M45 02:40–02:55: quality 0.4M45 02:55–03:10: quality 0.5M45 03:10–03:25: quality 0.6M45 03:25–04:05: quality 0.7M45 04:05–04:30: quality 0.8M45 04:30–05:10: quality 0.4M45 05:10–05:50: quality 0.1observe M45 03:55–05:10NGC 7000NGC 7000 21:10–21:45: quality 0.1NGC 7000 21:45–22:30: quality 0.3NGC 7000 22:30–03:50: quality 0.6NGC 7000 03:50–04:30: quality 0.7NGC 7000 04:30–05:10: quality 0.3NGC 7000 05:10–05:50: quality 0.1observe NGC 7000 21:55–23:25V1057 CygV1057 Cyg 21:10–21:45: quality 0.1V1057 Cyg 21:45–22:30: quality 0.3V1057 Cyg 22:30–03:55: quality 0.6V1057 Cyg 03:55–04:30: quality 0.7V1057 Cyg 04:30–05:10: quality 0.3V1057 Cyg 05:10–05:50: quality 0.1observe V1057 Cyg 23:25–00:55M33M33 00:05–00:20: quality 0.3M33 00:20–00:35: quality 0.4M33 00:35–00:55: quality 0.5M33 00:55–02:05: quality 0.6M33 02:05–03:30: quality 0.7M33 03:30–04:30: quality 0.8M33 04:30–05:10: quality 0.4M33 05:10–05:40: quality 0.1M33 05:40–05:50: quality 0.2observe M33 02:25–03:55scheduleNGC 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
20:35–21:55 — nothing worth pointing at — 1.33
21:55–23:25 NGC 7000 1.5 0.49
23:25–00:55 V1057 Cyg 1.5 0.59
00:55–02:25 M31 1.5 0.67
02:25–03:55 M33 1.5 0.73
03:55–05:10 M45 1.25 0.57
05:10–06:20 — nothing worth pointing at — 1.17

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 77 unknown 00:20–04:30 (good) 89.6° at 05:10 86.7° 1.5
M42 Great Orion Nebula 0 unknown — 42.9° at 10:05 134.6° 0.0
M45 Seven Sisters 29 unknown 03:20–04:30 (good) 72.6° at 08:15 118.6° 1.25
NGC 7000 North America Nebula 66 unknown 01:55–04:30 (good) 87.1° at 01:30 63.9° 1.5
V1057 Cyg 66 unknown 02:00–04:30 (good) 87.2° at 01:30 63.8° 1.5
M33 Triangulum Pinwheel 63 unknown 01:15–04:30 (good) 79.2° at 06:05 91.7° 1.5

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2047-08-04"

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"}.