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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 Monday, 18 November 2030 · astronomical night 18:35 → 05:37 (11.04 h) · Moon 44% (waning crescent) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:30–18:05: quality 0.1M31 18:05–18:40: quality 0.5M31 18:40–00:30: quality 1.0M31 00:30–01:35: quality 0.9M31 01:35–02:55: quality 0.8M31 02:55–03:10: quality 0.7M31 03:10–03:25: quality 0.6M31 03:25–03:45: quality 0.5M31 03:45–03:55: quality 0.4observe M31 22:05–00:05M42M42 22:20–22:30: quality 0.4M42 22:30–22:45: quality 0.5M42 22:45–23:00: quality 0.6M42 23:00–23:15: quality 0.7M42 23:15–00:25: quality 0.8M42 00:25–00:30: quality 0.9M42 00:30–02:25: quality 0.8M42 02:25–04:45: quality 0.7M42 04:45–05:10: quality 0.6M42 05:10–05:30: quality 0.5M42 05:30–05:40: quality 0.4M42 05:40–05:55: quality 0.2observe M42 04:05–05:40M45M45 18:45–18:50: quality 0.4M45 18:50–19:05: quality 0.5M45 19:05–19:20: quality 0.6M45 19:20–19:30: quality 0.7M45 19:30–20:20: quality 0.8M45 20:20–21:40: quality 0.9M45 21:40–00:30: quality 1.0M45 00:30–02:55: quality 0.9M45 02:55–04:15: quality 0.8M45 04:15–05:10: quality 0.7M45 05:10–05:25: quality 0.6M45 05:25–05:40: quality 0.5M45 05:40–05:55: quality 0.2observe M45 02:05–04:05NGC 7000NGC 7000 17:30–18:05: quality 0.2NGC 7000 18:05–18:40: quality 0.5NGC 7000 18:40–21:00: quality 1.0NGC 7000 21:00–22:30: quality 0.9NGC 7000 22:30–23:25: quality 0.8NGC 7000 23:25–23:40: quality 0.7NGC 7000 23:40–00:00: quality 0.6NGC 7000 00:00–00:15: quality 0.5NGC 7000 00:15–00:25: quality 0.4observe NGC 7000 18:05–20:05V1057 CygV1057 Cyg 17:30–18:05: quality 0.2V1057 Cyg 18:05–18:40: quality 0.5V1057 Cyg 18:40–21:00: quality 1.0V1057 Cyg 21:00–22:30: quality 0.9V1057 Cyg 22:30–23:25: quality 0.8V1057 Cyg 23:25–23:40: quality 0.7V1057 Cyg 23:40–00:00: quality 0.6V1057 Cyg 00:00–00:15: quality 0.5V1057 Cyg 00:15–00:25: quality 0.4observe V1057 Cyg 20:05–22:05M33M33 17:30–18:05: quality 0.1M33 18:05–18:25: quality 0.4M33 18:25–18:40: quality 0.5M33 18:40–19:10: quality 0.9M33 19:10–00:40: quality 1.0M33 00:40–01:55: quality 0.9M33 01:55–03:10: quality 0.8M33 03:10–03:25: quality 0.7M33 03:25–03:40: quality 0.6M33 03:40–03:55: quality 0.5M33 03:55–04:05: 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 0.85
20:05–22:05 V1057 Cyg 2.0 0.94
22:05–00:05 M31 2.0 1.0
00:05–02:05 M33 2.0 0.92
02:05–04:05 M45 2.0 0.84
04:05–05:40 M42 1.58 0.59
05:40–07:15 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:40–03:15 (good) 89.7° at 21:15 122.1° 2.0
M42 Great Orion Nebula 85 unknown 22:50–05:00 (good) 42.9° at 02:05 70.1° 1.58
M45 Seven Sisters 100 unknown 19:10–05:15 (good) 72.5° at 00:15 93.8° 2.0
NGC 7000 North America Nebula 100 unknown 18:40–23:50 (good) 87.2° at 17:30 127.6° 2.0
V1057 Cyg 100 unknown 18:40–23:50 (good) 87.3° at 17:30 127.6° 2.0
M33 Triangulum Pinwheel 100 unknown 18:40–03:30 (good) 79.1° at 22:05 120.0° 2.0
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2030-11-18"

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"}.