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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, 27 October 2029 · astronomical night 19:55 → 05:14 (10.32 h) · Moon 75% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:55–19:25: quality 0.1M31 19:25–19:35: quality 0.4M31 19:35–20:00: quality 0.5M31 20:00–20:20: quality 0.9M31 20:20–21:50: quality 1.0M31 21:50–23:45: quality 0.8M31 23:45–02:45: quality 0.7M31 02:45–03:20: quality 0.6M31 03:20–04:30: quality 0.5M31 04:30–04:55: quality 0.4M31 04:55–05:15: quality 0.3M31 05:15–05:20: quality 0.1observe M31 23:05–00:55M42M42 00:45–00:55: quality 0.2M42 00:55–01:30: quality 0.3M42 01:30–05:15: quality 0.4M42 05:15–05:50: quality 0.2M42 05:50–06:20: quality 0.1observe M42 03:35–05:15M45M45 21:10–21:15: quality 0.4M45 21:15–21:30: quality 0.5M45 21:30–21:45: quality 0.6M45 21:45–21:50: quality 0.7M45 21:50–22:00: quality 0.5M45 22:00–01:20: quality 0.6M45 01:20–03:45: quality 0.5M45 03:45–05:15: quality 0.4M45 05:15–05:50: quality 0.2M45 05:50–06:20: quality 0.1observe M45 02:45–03:35NGC 7000NGC 7000 18:55–19:25: quality 0.2NGC 7000 19:25–20:00: quality 0.5NGC 7000 20:00–21:50: quality 1.0NGC 7000 21:50–23:10: quality 0.9NGC 7000 23:10–00:30: quality 0.8NGC 7000 00:30–01:45: quality 0.7NGC 7000 01:45–02:05: quality 0.6NGC 7000 02:05–02:25: quality 0.5NGC 7000 02:25–02:45: quality 0.4NGC 7000 02:45–02:50: quality 0.3observe NGC 7000 19:25–21:15V1057 CygV1057 Cyg 18:55–19:25: quality 0.2V1057 Cyg 19:25–20:00: quality 0.5V1057 Cyg 20:00–21:50: quality 1.0V1057 Cyg 21:50–23:10: quality 0.9V1057 Cyg 23:10–00:30: quality 0.8V1057 Cyg 00:30–01:45: quality 0.7V1057 Cyg 01:45–02:05: quality 0.6V1057 Cyg 02:05–02:25: quality 0.5V1057 Cyg 02:25–02:45: quality 0.4V1057 Cyg 02:45–02:50: quality 0.3observe V1057 Cyg 21:15–23:05M33M33 18:55–19:25: quality 0.1M33 19:25–20:00: quality 0.4M33 20:00–20:15: quality 0.8M33 20:15–21:35: quality 0.9M33 21:35–21:50: quality 1.0M33 21:50–23:00: quality 0.8M33 23:00–01:55: quality 0.7M33 01:55–03:05: quality 0.6M33 03:05–04:40: quality 0.5M33 04:40–05:05: quality 0.4M33 05:05–05:15: quality 0.3M33 05:15–05:30: quality 0.1observe M33 00:55–02:45scheduleNGC 7000V1057 CygM31M33M45M4220:0022:0000:0002:0004:0006:00

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
18:20–19:25 — nothing worth pointing at — 1.08
19:25–21:15 NGC 7000 1.83 0.84
21:15–23:05 V1057 Cyg 1.83 0.92
23:05–00:55 M31 1.83 0.74
00:55–02:45 M33 1.83 0.65
02:45–03:35 M45 1.83 0.47
03:35–05:15 M42 1.67 0.37
05:15–06:50 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 20:00–03:30 (good) 89.7° at 23:40 71.6° 1.83
M42 Great Orion Nebula 22 unknown 01:10–05:15 (marginal) 42.9° at 03:30 30.2° 1.67
M45 Seven Sisters 68 unknown 21:35–21:50 (good) 72.5° at 02:45 35.7° 1.83
NGC 7000 North America Nebula 100 unknown 20:00–01:55 (good) 87.2° at 19:55 104.1° 1.83
V1057 Cyg 100 unknown 20:00–01:55 (good) 87.3° at 19:55 104.2° 1.83
M33 Triangulum Pinwheel 97 unknown 20:00–03:15 (good) 79.1° at 00:30 63.9° 1.83
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2029-10-27"

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"}.