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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, 05 November 2039 · astronomical night 18:45 → 05:23 (10.64 h) · Moon 79% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:15: quality 0.1M31 18:15–18:50: quality 0.5M31 18:50–20:15: quality 1.0M31 20:15–21:50: quality 0.8M31 21:50–00:55: quality 0.7M31 00:55–02:30: quality 0.6M31 02:30–03:55: quality 0.5M31 03:55–04:20: quality 0.4M31 04:20–04:45: quality 0.3M31 04:45–04:50: quality 0.2observe M31 22:05–00:00M42M42 23:15–23:25: quality 0.2M42 23:25–00:00: quality 0.3M42 00:00–04:10: quality 0.4M42 04:10–05:25: quality 0.3M42 05:25–06:00: quality 0.2observe M42 03:50–05:25M45M45 19:35–19:45: quality 0.4M45 19:45–19:55: quality 0.5M45 19:55–20:10: quality 0.6M45 20:10–20:15: quality 0.7M45 20:15–20:30: quality 0.5M45 20:30–23:25: quality 0.6M45 23:25–02:10: quality 0.5M45 02:10–05:25: quality 0.4M45 05:25–06:00: quality 0.2observe M45 01:55–03:50NGC 7000NGC 7000 17:45–18:15: quality 0.2NGC 7000 18:15–18:50: quality 0.5NGC 7000 18:50–20:15: quality 1.0NGC 7000 20:15–21:25: quality 0.9NGC 7000 21:25–22:45: quality 0.8NGC 7000 22:45–00:10: quality 0.7NGC 7000 00:10–00:30: quality 0.6NGC 7000 00:30–00:50: quality 0.5NGC 7000 00:50–01:10: quality 0.4NGC 7000 01:10–01:15: quality 0.3observe NGC 7000 18:15–20:10V1057 CygV1057 Cyg 17:45–18:15: quality 0.2V1057 Cyg 18:15–18:50: quality 0.5V1057 Cyg 18:50–20:15: quality 1.0V1057 Cyg 20:15–21:25: quality 0.9V1057 Cyg 21:25–22:45: quality 0.8V1057 Cyg 22:45–00:10: quality 0.7V1057 Cyg 00:10–00:30: quality 0.6V1057 Cyg 00:30–00:50: quality 0.5V1057 Cyg 00:50–01:10: quality 0.4V1057 Cyg 01:10–01:15: quality 0.3observe V1057 Cyg 20:10–22:05M33M33 17:45–18:15: quality 0.1M33 18:15–18:50: quality 0.4M33 18:50–20:00: quality 0.9M33 20:00–20:15: quality 1.0M33 20:15–21:15: quality 0.8M33 21:15–00:00: quality 0.7M33 00:00–02:15: quality 0.6M33 02:15–04:05: quality 0.5M33 04:05–04:30: quality 0.4M33 04:30–04:55: quality 0.3M33 04:55–05:00: quality 0.2observe M33 00:00–01:55scheduleNGC 7000V1057 CygM31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
17:10–18:15 — nothing worth pointing at — 1.08
18:15–20:10 NGC 7000 1.92 0.85
20:10–22:05 V1057 Cyg 1.92 0.86
22:05–00:00 M31 1.92 0.71
00:00–01:55 M33 1.92 0.62
01:55–03:50 M45 1.92 0.43
03:50–05:25 M42 1.58 0.35
05:25–07:00 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:50–01:40 (good) 89.7° at 22:05 72.1° 1.92
M42 Great Orion Nebula 23 unknown 23:40–05:25 (marginal) 42.9° at 03:00 34.0° 1.58
M45 Seven Sisters 66 unknown 20:05–20:15 (good) 72.5° at 01:10 38.0° 1.92
NGC 7000 North America Nebula 100 unknown 18:50–00:20 (good) 87.2° at 18:20 102.9° 1.92
V1057 Cyg 100 unknown 18:50–00:20 (good) 87.2° at 18:20 102.9° 1.92
M33 Triangulum Pinwheel 97 unknown 18:50–01:30 (good) 79.2° at 22:55 65.3° 1.92
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-11-05"

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"}.