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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, 08 February 2039 · astronomical night 19:19 → 05:50 (10.52 h) · Moon 100% (full moon) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 18:15–18:50: quality 0.1M31 18:50–19:20: quality 0.4M31 19:20–19:35: quality 0.8M31 19:35–20:55: quality 0.7M31 20:55–21:40: quality 0.6M31 21:40–22:00: quality 0.5M31 22:00–22:25: quality 0.4M31 22:25–22:35: quality 0.3observe M31 19:55–21:00M42M42 18:15–18:50: quality 0.1M42 18:50–19:20: quality 0.3M42 19:20–21:20: quality 0.5M42 21:20–23:35: quality 0.4M42 23:35–00:10: quality 0.3M42 00:10–00:35: quality 0.2observe M42 22:05–23:35M45M45 18:15–18:50: quality 0.1M45 18:50–19:20: quality 0.3M45 19:20–20:05: quality 0.7M45 20:05–21:55: quality 0.6M45 21:55–23:35: quality 0.5M45 23:35–00:00: quality 0.4M45 00:00–00:25: quality 0.3M45 00:25–00:35: quality 0.2observe M45 21:00–22:05observe M45 23:35–00:15NGC 7000NGC 7000 18:15–18:50: quality 0.1NGC 7000 18:50–19:05: quality 0.2NGC 7000 05:15–05:35: quality 0.4NGC 7000 05:35–05:55: quality 0.5NGC 7000 05:55–06:20: quality 0.3NGC 7000 06:20–06:25: quality 0.4NGC 7000 06:25–07:00: quality 0.1observe NGC 7000 05:15–05:55observe NGC 7000 06:05–06:25V1057 CygV1057 Cyg 18:15–18:50: quality 0.1V1057 Cyg 18:50–19:05: quality 0.2V1057 Cyg 05:15–05:35: quality 0.4V1057 Cyg 05:35–05:55: quality 0.5V1057 Cyg 05:55–06:20: quality 0.3V1057 Cyg 06:20–06:25: quality 0.4V1057 Cyg 06:25–07:00: quality 0.1M33M33 18:15–18:50: quality 0.1M33 18:50–19:20: quality 0.4M33 19:20–19:45: quality 0.8M33 19:45–21:05: quality 0.7M33 21:05–21:55: quality 0.6M33 21:55–22:15: quality 0.5M33 22:15–22:35: quality 0.4M33 22:35–22:45: quality 0.3observe M33 18:50–19:55scheduleM33M31M45M4218:0020:0022:0000:0002:0004:0006:00

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
17:45–18:50 — nothing worth pointing at — 1.08
18:50–19:55 M33 1.08 0.6
19:55–21:00 M31 1.08 0.68
21:00–22:05 M45 1.08 0.58
22:05–23:35 M42 1.5 0.39
23:35–00:15 M45 0.67 0.38
00:15–05:15 — nothing worth pointing at — 5.0
05:15–05:55 NGC 7000 0.67 0.45
05:55–06:05 — nothing worth pointing at — 0.17
06:05–06:25 NGC 7000 0.33 0.33
06:25–07:25 — nothing worth pointing at — 1.0

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 43 unknown 19:20–21:30 (good) 89.6° at 15:50 104.1° 1.08
M42 Great Orion Nebula 30 unknown 19:20–23:50 (marginal) 42.9° at 20:45 61.5° 1.5
M45 Seven Sisters 51 unknown 19:20–21:10 (good) 72.5° at 18:55 77.4° 1.75
NGC 7000 North America Nebula 8 unknown 05:15–05:55 (marginal) 87.2° at 12:10 116.2° 1.0
V1057 Cyg 8 unknown 05:15–05:55 (marginal) 87.3° at 12:10 116.3° 0.0
M33 Triangulum Pinwheel 47 unknown 19:20–21:45 (good) 79.2° at 16:45 102.1° 1.08

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-02-08"

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"}.