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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 Thursday, 29 October 2037 · astronomical night 18:52 → 05:17 (10.4 h) · Moon 70% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:50–18:25: quality 0.1M31 18:25–18:30: quality 0.4M31 18:30–18:55: quality 0.5M31 18:55–19:10: quality 0.9M31 19:10–21:20: quality 1.0M31 21:20–00:30: quality 0.8M31 00:30–02:25: quality 0.7M31 02:25–04:10: quality 0.6M31 04:10–04:30: quality 0.5M31 04:30–04:55: quality 0.4M31 04:55–05:15: quality 0.3observe M31 22:05–23:55M42M42 23:40–00:05: quality 0.3M42 00:05–00:40: quality 0.4M42 00:40–01:45: quality 0.5M42 01:45–05:20: quality 0.4M42 05:20–05:50: quality 0.2M42 05:50–06:25: quality 0.1observe M42 03:35–05:20M45M45 20:00–20:10: quality 0.4M45 20:10–20:20: quality 0.5M45 20:20–20:35: quality 0.6M45 20:35–20:50: quality 0.7M45 20:50–21:20: quality 0.8M45 21:20–02:30: quality 0.6M45 02:30–05:20: quality 0.5M45 05:20–05:50: quality 0.2M45 05:50–06:25: quality 0.1observe M45 01:45–03:35NGC 7000NGC 7000 17:50–18:25: quality 0.2NGC 7000 18:25–18:55: quality 0.5NGC 7000 18:55–21:20: quality 1.0NGC 7000 21:20–22:20: quality 0.9NGC 7000 22:20–23:45: quality 0.8NGC 7000 23:45–00:40: quality 0.7NGC 7000 00:40–01:00: quality 0.6NGC 7000 01:00–01:20: quality 0.5NGC 7000 01:20–01:40: quality 0.4NGC 7000 01:40–01:45: quality 0.3observe NGC 7000 18:25–20:15V1057 CygV1057 Cyg 17:50–18:25: quality 0.2V1057 Cyg 18:25–18:55: quality 0.5V1057 Cyg 18:55–21:20: quality 1.0V1057 Cyg 21:20–22:20: quality 0.9V1057 Cyg 22:20–23:45: quality 0.8V1057 Cyg 23:45–00:40: quality 0.7V1057 Cyg 00:40–01:00: quality 0.6V1057 Cyg 01:00–01:20: quality 0.5V1057 Cyg 01:20–01:40: quality 0.4V1057 Cyg 01:40–01:45: quality 0.3observe V1057 Cyg 20:15–22:05M33M33 17:50–18:25: quality 0.1M33 18:25–18:55: quality 0.4M33 18:55–19:05: quality 0.8M33 19:05–20:25: quality 0.9M33 20:25–21:20: quality 1.0M33 21:20–23:35: quality 0.8M33 23:35–02:20: quality 0.7M33 02:20–03:55: quality 0.6M33 03:55–04:45: quality 0.5M33 04:45–05:05: quality 0.4M33 05:05–05:20: quality 0.3M33 05:20–05:25: quality 0.1observe M33 23:55–01:45scheduleNGC 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
17:15–18:25 — nothing worth pointing at — 1.17
18:25–20:15 NGC 7000 1.83 0.86
20:15–22:05 V1057 Cyg 1.83 0.96
22:05–23:55 M31 1.83 0.79
23:55–01:45 M33 1.83 0.71
01:45–03:35 M45 1.83 0.55
03:35–05:20 M42 1.75 0.41
05:20–06:55 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:55–03:15 (good) 89.6° at 22:30 77.9° 1.83
M42 Great Orion Nebula 29 unknown 23:55–05:20 (marginal) 42.9° at 03:25 33.6° 1.75
M45 Seven Sisters 83 unknown 20:30–00:55 (good) 72.5° at 01:35 43.2° 1.83
NGC 7000 North America Nebula 100 unknown 18:55–00:50 (good) 87.2° at 18:50 107.9° 1.83
V1057 Cyg 100 unknown 18:55–00:50 (good) 87.3° at 18:50 107.9° 1.83
M33 Triangulum Pinwheel 100 unknown 18:55–03:05 (good) 79.2° at 23:25 71.0° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2037-10-29"

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"}.