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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, 22 November 2043 · astronomical night 18:33 → 05:41 (11.14 h) · Moon 57% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:35: quality 0.5M31 18:35–23:00: quality 1.0M31 23:00–00:40: quality 0.9M31 00:40–02:00: quality 0.8M31 02:00–02:45: quality 0.7M31 02:45–03:05: quality 0.6M31 03:05–03:25: quality 0.5M31 03:25–03:40: quality 0.4observe M31 22:05–00:05M42M42 22:05–22:15: quality 0.4M42 22:15–22:30: quality 0.5M42 22:30–22:45: quality 0.6M42 22:45–23:00: quality 0.7M42 23:00–23:05: quality 0.6M42 23:05–02:50: quality 0.7M42 02:50–04:40: quality 0.6M42 04:40–05:05: quality 0.5M42 05:05–05:25: quality 0.4M42 05:25–05:40: quality 0.3observe M42 04:05–05:35M45M45 18:30–18:35: quality 0.2M45 18:35–18:50: quality 0.5M45 18:50–19:05: quality 0.6M45 19:05–19:15: quality 0.7M45 19:15–20:05: quality 0.8M45 20:05–21:25: quality 0.9M45 21:25–23:00: quality 1.0M45 23:00–00:20: quality 0.9M45 00:20–02:55: quality 0.8M45 02:55–04:20: quality 0.7M45 04:20–05:00: quality 0.6M45 05:00–05:15: quality 0.5M45 05:15–05:35: quality 0.4M45 05:35–05:40: quality 0.3observe M45 02:05–04:05observe M45 05:35–05:40NGC 7000NGC 7000 17:30–18:05: quality 0.2NGC 7000 18:05–18:35: quality 0.5NGC 7000 18:35–20:45: quality 1.0NGC 7000 20:45–22:15: quality 0.9NGC 7000 22:15–23:05: quality 0.8NGC 7000 23:05–23:20: quality 0.7NGC 7000 23:20–23:40: quality 0.6NGC 7000 23:40–23:55: quality 0.5NGC 7000 23:55–00:10: quality 0.4observe NGC 7000 18:05–20:05V1057 CygV1057 Cyg 17:30–18:05: quality 0.2V1057 Cyg 18:05–18:35: quality 0.5V1057 Cyg 18:35–20:45: quality 1.0V1057 Cyg 20:45–22:15: quality 0.9V1057 Cyg 22:15–23:05: quality 0.8V1057 Cyg 23:05–23:20: quality 0.7V1057 Cyg 23:20–23:40: quality 0.6V1057 Cyg 23:40–23:55: quality 0.5V1057 Cyg 23:55–00:10: quality 0.4observe V1057 Cyg 20:05–22:05M33M33 17:30–18:05: quality 0.1M33 18:05–18:15: quality 0.4M33 18:15–18:35: quality 0.5M33 18:35–18:55: quality 0.9M33 18:55–23:00: quality 1.0M33 23:00–01:00: quality 0.9M33 01:00–02:20: quality 0.8M33 02:20–03:05: quality 0.7M33 03:05–03:20: quality 0.6M33 03:20–03:35: quality 0.5M33 03:35–03:50: quality 0.4observe M33 00:05–02:05scheduleNGC 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
16:55–18:05 — nothing worth pointing at — 1.17
18:05–20:05 NGC 7000 2.0 0.88
20:05–22:05 V1057 Cyg 2.0 0.93
22:05–00:05 M31 2.0 0.96
00:05–02:05 M33 2.0 0.84
02:05–04:05 M45 2.0 0.74
04:05–05:35 M42 1.5 0.49
05:35–05:40 M45 0.08 0.33
05:40–07:20 — nothing worth pointing at — 1.67

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:35–02:55 (good) 89.8° at 21:00 108.7° 2.0
M42 Great Orion Nebula 73 unknown 22:35–04:00 (good) 42.9° at 01:50 65.2° 1.5
M45 Seven Sisters 100 unknown 18:55–04:50 (good) 72.5° at 00:05 82.6° 2.08
NGC 7000 North America Nebula 100 unknown 18:35–23:30 (good) 87.2° at 17:15 118.1° 2.0
V1057 Cyg 100 unknown 18:35–23:30 (good) 87.3° at 17:15 118.1° 2.0
M33 Triangulum Pinwheel 100 unknown 18:35–03:10 (good) 79.2° at 21:50 107.1° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2043-11-22"

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"}.