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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, 02 November 2031 · astronomical night 18:48 → 05:20 (10.53 h) · Moon 87% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:20: quality 0.1M31 18:20–18:50: quality 0.5M31 18:50–18:55: quality 0.9M31 18:55–19:45: quality 1.0M31 19:45–22:05: quality 0.7M31 22:05–01:00: quality 0.6M31 01:00–03:00: quality 0.5M31 03:00–04:15: quality 0.4M31 04:15–04:50: quality 0.3M31 04:50–05:00: quality 0.2observe M31 22:10–00:05observe M31 03:55–04:35M42M42 23:25–00:00: quality 0.2M42 00:00–05:25: quality 0.3M42 05:25–05:55: quality 0.2observe M42 05:10–05:25M45M45 19:50–20:10: quality 0.3M45 20:10–20:35: quality 0.4M45 20:35–22:30: quality 0.5M45 22:30–01:30: quality 0.4M45 01:30–05:25: quality 0.3M45 05:25–05:55: quality 0.2observe M45 02:00–03:55observe M45 04:40–05:10NGC 7000NGC 7000 17:45–18:20: quality 0.2NGC 7000 18:20–18:50: quality 0.5NGC 7000 18:50–19:45: quality 1.0NGC 7000 19:45–20:25: quality 0.9NGC 7000 20:25–22:20: quality 0.8NGC 7000 22:20–23:45: quality 0.7NGC 7000 23:45–00:35: quality 0.6NGC 7000 00:35–00:55: quality 0.5NGC 7000 00:55–01:15: quality 0.4NGC 7000 01:15–01:30: quality 0.3observe NGC 7000 18:20–20:15V1057 CygV1057 Cyg 17:45–18:20: quality 0.2V1057 Cyg 18:20–18:50: quality 0.5V1057 Cyg 18:50–19:45: quality 1.0V1057 Cyg 19:45–20:25: quality 0.9V1057 Cyg 20:25–22:20: quality 0.8V1057 Cyg 22:20–23:45: quality 0.7V1057 Cyg 23:45–00:35: quality 0.6V1057 Cyg 00:35–00:55: quality 0.5V1057 Cyg 00:55–01:15: quality 0.4V1057 Cyg 01:15–01:30: quality 0.3observe V1057 Cyg 20:15–22:10M33M33 17:45–18:20: quality 0.1M33 18:20–18:50: quality 0.4M33 18:50–19:45: quality 0.9M33 19:45–21:15: quality 0.7M33 21:15–23:25: quality 0.6M33 23:25–02:10: quality 0.5M33 02:10–04:20: quality 0.4M33 04:20–04:55: quality 0.3M33 04:55–05:10: quality 0.2observe M33 00:05–02:00observe M33 04:35–04:40scheduleNGC 7000V1057 CygM31M33M4518:0020:0022:0000:0002:0004:0006:00

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
17:10–18:20 — nothing worth pointing at — 1.17
18:20–20:15 NGC 7000 1.92 0.83
20:15–22:10 V1057 Cyg 1.92 0.82
22:10–00:05 M31 1.92 0.61
00:05–02:00 M33 1.92 0.49
02:00–03:55 M45 1.92 0.33
03:55–04:35 M31 0.67 0.36
04:35–04:40 M33 0.08 0.3
04:40–05:10 M45 0.5 0.31
05:10–05:25 M42 0.25 0.3
05:25–07:00 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:50–23:20 (good) 89.5° at 22:20 62.8° 2.58
M42 Great Orion Nebula 14 unknown 00:25–01:10 (marginal) 42.9° at 03:10 25.8° 0.25
M45 Seven Sisters 44 unknown 20:00–05:25 (marginal) 72.5° at 01:20 23.7° 2.42
NGC 7000 North America Nebula 100 unknown 18:50–00:25 (good) 87.2° at 18:35 99.4° 1.92
V1057 Cyg 100 unknown 18:50–00:25 (good) 87.3° at 18:35 99.4° 1.92
M33 Triangulum Pinwheel 91 unknown 18:50–22:15 (good) 79.1° at 23:10 53.1° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2031-11-02"

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"}.