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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 Saturday, 08 October 2044 · astronomical night 20:22 → 05:54 (9.54 h) · Moon 96% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 19:20–19:55: quality 0.1M31 19:55–20:25: quality 0.2M31 20:25–21:35: quality 0.5M31 21:35–23:40: quality 0.4M31 23:40–05:55: quality 0.3M31 05:55–06:30: quality 0.2observe M31 23:25–00:55M42M42 02:00–02:30: quality 0.2M42 02:30–03:45: quality 0.3M42 03:45–05:55: quality 0.4M42 05:55–06:30: quality 0.2M42 06:30–07:00: quality 0.1observe M42 02:50–04:45M45M45 22:25–23:00: quality 0.2M45 23:00–05:55: quality 0.3M45 05:55–06:30: quality 0.2M45 06:30–07:00: quality 0.1observe M45 04:45–05:55NGC 7000NGC 7000 19:20–19:25: quality 0.2NGC 7000 19:25–19:55: quality 0.1NGC 7000 19:55–20:25: quality 0.4NGC 7000 20:25–21:50: quality 0.7NGC 7000 21:50–00:20: quality 0.6NGC 7000 00:20–02:15: quality 0.5NGC 7000 02:15–03:20: quality 0.4NGC 7000 03:20–03:55: quality 0.3NGC 7000 03:55–04:05: quality 0.2observe NGC 7000 19:55–21:40observe NGC 7000 00:55–02:50V1057 CygV1057 Cyg 19:20–19:25: quality 0.2V1057 Cyg 19:25–19:55: quality 0.1V1057 Cyg 19:55–20:25: quality 0.4V1057 Cyg 20:25–21:50: quality 0.7V1057 Cyg 21:50–00:20: quality 0.6V1057 Cyg 00:20–02:15: quality 0.5V1057 Cyg 02:15–03:20: quality 0.4V1057 Cyg 03:20–03:55: quality 0.3V1057 Cyg 03:55–04:05: quality 0.2observe V1057 Cyg 21:40–23:25M33M33 19:55–20:05: quality 0.1M33 20:05–20:25: quality 0.2M33 20:25–23:30: quality 0.4M33 23:30–05:55: quality 0.3M33 05:55–06:30: quality 0.2scheduleNGC 7000V1057 CygM31NGC 7000M42M4520:0022:0000:0002:0004:0006:00

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
18:50–19:55 — nothing worth pointing at — 1.08
19:55–21:40 NGC 7000 1.75 0.59
21:40–23:25 V1057 Cyg 1.75 0.62
23:25–00:55 M31 1.5 0.33
00:55–02:50 NGC 7000 1.92 0.47
02:50–04:45 M42 1.92 0.35
04:45–05:55 M45 1.17 0.32
05:55–07:30 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 42 unknown 20:25–00:55 (marginal) 89.7° at 00:55 31.2° 1.5
M42 Great Orion Nebula 16 unknown 02:50–05:55 (marginal) 42.9° at 05:45 52.6° 1.92
M45 Seven Sisters 19 unknown 04:45–05:55 (marginal) 72.6° at 03:55 19.2° 1.17
NGC 7000 North America Nebula 71 unknown 20:25–23:10 (good) 87.2° at 21:10 71.0° 3.67
V1057 Cyg 71 unknown 20:25–23:10 (good) 87.3° at 21:10 71.0° 1.75
M33 Triangulum Pinwheel 34 unknown 20:25–00:40 (marginal) 79.2° at 01:45 16.5° 0.0

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2044-10-08"

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"}.