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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, 31 October 2031 · astronomical night 18:51 → 05:18 (10.46 h) · Moon 97% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:50–18:20: quality 0.1M31 18:20–18:55: quality 0.3M31 18:55–19:55: quality 0.6M31 19:55–21:45: quality 0.5M31 21:45–00:50: quality 0.4M31 00:50–04:35: quality 0.3M31 04:35–05:10: quality 0.2observe M31 23:20–01:15observe M31 01:20–03:35M42M42 23:30–23:40: quality 0.1M42 23:40–01:10: quality 0.2M42 01:10–05:20: quality 0.3M42 05:20–05:55: quality 0.2M42 05:55–06:20: quality 0.1observe M42 03:35–05:20M45M45 19:55–20:15: quality 0.2M45 20:15–05:20: quality 0.3M45 05:20–05:55: quality 0.2M45 05:55–06:20: quality 0.1NGC 7000NGC 7000 17:50–18:10: quality 0.2NGC 7000 18:10–18:20: quality 0.1NGC 7000 18:20–18:55: quality 0.4NGC 7000 18:55–19:30: quality 0.8NGC 7000 19:30–21:55: quality 0.7NGC 7000 21:55–23:25: quality 0.6NGC 7000 23:25–00:40: quality 0.5NGC 7000 00:40–01:05: quality 0.4NGC 7000 01:05–01:35: quality 0.3observe NGC 7000 18:20–20:15observe NGC 7000 01:15–01:20V1057 CygV1057 Cyg 17:50–18:10: quality 0.2V1057 Cyg 18:10–18:20: quality 0.1V1057 Cyg 18:20–18:55: quality 0.4V1057 Cyg 18:55–19:30: quality 0.8V1057 Cyg 19:30–21:55: quality 0.7V1057 Cyg 21:55–23:25: quality 0.6V1057 Cyg 23:25–00:40: quality 0.5V1057 Cyg 00:40–01:05: quality 0.4V1057 Cyg 01:05–01:35: quality 0.3observe V1057 Cyg 20:15–22:10M33M33 17:50–18:20: quality 0.1M33 18:20–18:55: quality 0.2M33 18:55–20:05: quality 0.5M33 20:05–22:15: quality 0.4M33 22:15–04:30: quality 0.3M33 04:30–05:20: quality 0.2observe M33 22:10–23:20scheduleNGC 7000V1057 CygM33M31M31M4218:0020:0022:0000:0002:0004:0006:00

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
17:15–18:20 — nothing worth pointing at — 1.08
18:20–20:15 NGC 7000 1.92 0.64
20:15–22:10 V1057 Cyg 1.92 0.69
22:10–23:20 M33 1.17 0.33
23:20–01:15 M31 1.92 0.36
01:15–01:20 NGC 7000 0.08 0.31
01:20–03:35 M31 2.25 0.32
03:35–05:20 M42 1.75 0.32
05:20–06:55 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 57 unknown 18:55–04:10 (marginal) 89.7° at 22:25 44.0° 4.17
M42 Great Orion Nebula 15 unknown 03:35–05:20 (marginal) 42.9° at 03:15 37.1° 1.75
M45 Seven Sisters 24 unknown 20:35–22:45 (marginal) 72.5° at 01:30 5.4° 0.0
NGC 7000 North America Nebula 77 unknown 18:55–22:35 (good) 87.2° at 18:40 84.2° 2.0
V1057 Cyg 77 unknown 18:55–22:35 (good) 87.3° at 18:40 84.2° 1.92
M33 Triangulum Pinwheel 41 unknown 18:55–23:20 (marginal) 79.1° at 23:15 31.1° 1.17

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-10-31"

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"}.