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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 Tuesday, 01 November 2039 · astronomical night 18:49 → 05:19 (10.5 h) · Moon 99% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:45–18:20: quality 0.1M31 18:20–18:50: quality 0.3M31 18:50–20:55: quality 0.5M31 20:55–23:10: quality 0.4M31 23:10–04:35: quality 0.3M31 04:35–05:05: quality 0.2observe M31 22:35–00:30observe M31 01:15–02:30M42M42 23:30–23:35: quality 0.1M42 23:35–00:30: quality 0.2M42 00:30–04:00: quality 0.3M42 04:00–05:20: quality 0.4M42 05:20–05:55: quality 0.2M42 05:55–06:25: quality 0.1observe M42 02:30–04:25M45M45 19:50–20:15: quality 0.2M45 20:15–00:25: quality 0.3M45 00:25–01:25: quality 0.2M45 01:25–05:10: quality 0.3M45 05:10–05:20: quality 0.4M45 05:20–05:55: quality 0.2M45 05:55–06:25: quality 0.1observe M45 04:25–05:20NGC 7000NGC 7000 17:45–17:55: quality 0.2NGC 7000 17:55–18:20: quality 0.1NGC 7000 18:20–18:50: quality 0.4NGC 7000 18:50–21:25: quality 0.7NGC 7000 21:25–22:55: quality 0.6NGC 7000 22:55–00:30: quality 0.5NGC 7000 00:30–01:00: quality 0.4NGC 7000 01:00–01:30: quality 0.3NGC 7000 01:30–01:35: quality 0.2observe NGC 7000 18:20–20:15observe NGC 7000 00:30–01:15V1057 CygV1057 Cyg 17:45–17:55: quality 0.2V1057 Cyg 17:55–18:20: quality 0.1V1057 Cyg 18:20–18:50: quality 0.4V1057 Cyg 18:50–21:25: quality 0.7V1057 Cyg 21:25–22:55: quality 0.6V1057 Cyg 22:55–00:30: quality 0.5V1057 Cyg 00:30–01:00: quality 0.4V1057 Cyg 01:00–01:30: quality 0.3V1057 Cyg 01:30–01:35: quality 0.2observe V1057 Cyg 20:15–22:10M33M33 17:45–18:20: quality 0.1M33 18:20–18:50: quality 0.2M33 18:50–21:35: quality 0.4M33 21:35–00:25: quality 0.3M33 00:25–01:25: quality 0.2M33 01:25–04:30: quality 0.3M33 04:30–05:15: quality 0.2observe M33 22:10–22:35scheduleNGC 7000V1057 CygM31NGC 7000M31M42M4518:0020:0022:0000:0002:0004:0006:00

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
17:15–18:20 — nothing worth pointing at — 1.08
18:20–20:15 NGC 7000 1.92 0.63
20:15–22:10 V1057 Cyg 1.92 0.65
22:10–22:35 M33 0.42 0.31
22:35–00:30 M31 1.92 0.34
00:30–01:15 NGC 7000 0.75 0.38
01:15–02:30 M31 1.25 0.31
02:30–04:25 M42 1.92 0.33
04:25–05:20 M45 0.92 0.34
05:20–06:55 — nothing worth pointing at — 1.58

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 54 unknown 18:50–04:10 (marginal) 89.6° at 22:20 41.2° 3.17
M42 Great Orion Nebula 18 unknown 02:30–05:20 (marginal) 42.9° at 03:15 41.0° 1.92
M45 Seven Sisters 25 unknown 03:20–05:20 (marginal) 72.5° at 01:25 11.3° 0.92
NGC 7000 North America Nebula 75 unknown 18:50–22:10 (good) 87.2° at 18:40 81.6° 2.67
V1057 Cyg 75 unknown 18:50–22:10 (good) 87.3° at 18:40 81.6° 1.92
M33 Triangulum Pinwheel 37 unknown 18:50–22:35 (marginal) 79.2° at 23:15 27.2° 0.42
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-11-01"

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"}.