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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, 27 October 2042 · astronomical night 18:55 → 05:14 (10.32 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:55–18:25: quality 0.1M31 18:25–19:00: quality 0.2M31 19:00–20:55: quality 0.4M31 20:55–02:10: quality 0.3M31 02:10–04:40: quality 0.4M31 04:40–05:15: quality 0.3M31 05:15–05:25: quality 0.1observe M31 22:05–23:00observe M31 02:40–03:35M42M42 23:45–00:00: quality 0.2M42 00:00–00:30: quality 0.3M42 00:30–01:35: quality 0.4M42 01:35–03:50: quality 0.5M42 03:50–05:15: quality 0.6M42 05:15–05:50: quality 0.3M42 05:50–06:20: quality 0.1observe M42 00:50–02:40observe M42 05:10–05:15M45M45 20:10–20:45: quality 0.2M45 20:45–00:50: quality 0.3M45 00:50–03:10: quality 0.4M45 03:10–05:15: quality 0.5M45 05:15–05:50: quality 0.3M45 05:50–06:20: quality 0.1observe M45 23:00–00:50NGC 7000NGC 7000 17:55–18:25: quality 0.1NGC 7000 18:25–19:00: quality 0.3NGC 7000 19:00–20:50: quality 0.6NGC 7000 20:50–23:25: quality 0.5NGC 7000 23:25–01:05: quality 0.4NGC 7000 01:05–01:40: quality 0.3NGC 7000 01:40–01:50: quality 0.2observe NGC 7000 18:25–20:15V1057 CygV1057 Cyg 17:55–18:25: quality 0.1V1057 Cyg 18:25–19:00: quality 0.3V1057 Cyg 19:00–20:45: quality 0.6V1057 Cyg 20:45–23:25: quality 0.5V1057 Cyg 23:25–01:05: quality 0.4V1057 Cyg 01:05–01:40: quality 0.3V1057 Cyg 01:40–01:50: quality 0.2observe V1057 Cyg 20:15–22:05M33M33 18:15–18:25: quality 0.1M33 18:25–19:00: quality 0.2M33 19:00–19:40: quality 0.4M33 19:40–02:30: quality 0.3M33 02:30–04:55: quality 0.4M33 04:55–05:15: quality 0.3M33 05:15–05:35: quality 0.1observe M33 03:35–05:10scheduleNGC 7000V1057 CygM31M45M42M31M3318:0020:0022:0000:0002:0004:0006:00

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
17:20–18:25 — nothing worth pointing at — 1.08
18:25–20:15 NGC 7000 1.83 0.51
20:15–22:05 V1057 Cyg 1.83 0.54
22:05–23:00 M31 0.92 0.31
23:00–00:50 M45 1.83 0.33
00:50–02:40 M42 1.83 0.46
02:40–03:35 M31 0.92 0.37
03:35–05:10 M33 1.58 0.38
05:10–05:15 M42 0.08 0.59
05:15–06:50 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 39 unknown 23:35–04:55 (marginal) 89.8° at 22:40 33.5° 1.83
M42 Great Orion Nebula 41 unknown 00:15–05:15 (marginal) 42.9° at 03:30 65.2° 1.92
M45 Seven Sisters 46 unknown 22:05–05:15 (marginal) 72.6° at 01:45 38.2° 1.83
NGC 7000 North America Nebula 54 unknown 19:00–19:25 (good) 87.2° at 18:55 66.3° 1.83
V1057 Cyg 54 unknown 19:00–19:25 (good) 87.2° at 18:55 66.2° 1.83
M33 Triangulum Pinwheel 35 unknown 00:55–05:10 (marginal) 79.2° at 23:30 22.1° 1.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2042-10-27"

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"}.