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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, 01 November 2031 · astronomical night 18:50 → 05:19 (10.49 h) · Moon 93% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:20: quality 0.1M31 18:20–18:55: quality 0.5M31 18:55–19:55: quality 0.7M31 19:55–21:55: quality 0.6M31 21:55–00:35: quality 0.5M31 00:35–04:00: quality 0.4M31 04:00–04:40: quality 0.3M31 04:40–05:05: quality 0.2observe M31 22:40–00:50M42M42 23:30–23:35: quality 0.1M42 23:35–02:40: quality 0.2M42 02:40–05:20: quality 0.3M42 05:20–05:25: quality 0.1M42 05:25–05:55: quality 0.2M45M45 19:50–20:00: quality 0.2M45 20:00–20:30: quality 0.3M45 20:30–23:25: quality 0.4M45 23:25–05:20: quality 0.3M45 05:20–05:55: quality 0.2observe M45 04:45–05:20NGC 7000NGC 7000 17:45–18:20: quality 0.2NGC 7000 18:20–18:55: quality 0.5NGC 7000 18:55–21:30: quality 0.8NGC 7000 21:30–22:50: quality 0.7NGC 7000 22:50–00:25: quality 0.6NGC 7000 00:25–00:50: quality 0.5NGC 7000 00:50–01:15: quality 0.4NGC 7000 01:15–01:35: quality 0.3observe NGC 7000 18:20–20:30V1057 CygV1057 Cyg 17:45–18:20: quality 0.2V1057 Cyg 18:20–18:55: quality 0.5V1057 Cyg 18:55–21:30: quality 0.8V1057 Cyg 21:30–22:50: quality 0.7V1057 Cyg 22:50–00:25: quality 0.6V1057 Cyg 00:25–00:50: quality 0.5V1057 Cyg 00:50–01:15: quality 0.4V1057 Cyg 01:15–01:35: quality 0.3observe V1057 Cyg 20:30–22:40M33M33 17:45–18:20: quality 0.1M33 18:20–18:55: quality 0.4M33 18:55–20:50: quality 0.6M33 20:50–22:45: quality 0.5M33 22:45–01:55: quality 0.4M33 01:55–04:40: quality 0.3M33 04:40–05:15: quality 0.2observe M33 00:50–04:20scheduleNGC 7000V1057 CygM31M3318:0020:0022:0000:0002:0004:0006:00

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
18:20–20:30 NGC 7000 2.17 0.73
20:30–22:40 V1057 Cyg 2.17 0.74
22:40–00:50 M31 2.17 0.48
00:50–04:20 M33 3.5 0.34
04:20–04:45 — nothing worth pointing at — 0.42
04:45–05:20 M45 0.58 0.3
05:20–06:55 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 66 unknown 18:55–20:55 (good) 89.6° at 22:20 53.1° 2.17
M42 Great Orion Nebula 12 unknown — 42.9° at 03:15 29.5° 0.0
M45 Seven Sisters 32 unknown 20:15–00:55 (marginal) 72.5° at 01:25 11.9° 0.58
NGC 7000 North America Nebula 83 unknown 18:55–23:35 (good) 87.2° at 18:40 91.9° 2.17
V1057 Cyg 83 unknown 18:55–23:35 (good) 87.3° at 18:40 91.9° 2.17
M33 Triangulum Pinwheel 57 unknown 18:20–04:20 (marginal) 79.1° at 23:15 41.9° 3.5

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-01"

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"}.