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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 Friday, 30 December 2044 · astronomical night 18:40 → 06:07 (11.47 h) · Moon 83% (waxing gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:35–18:10: quality 0.1M31 18:10–18:45: quality 0.2M31 18:45–00:10: quality 0.4M31 00:10–00:50: quality 0.3M31 00:50–01:10: quality 0.2observe M31 21:25–22:55M42M42 19:35–20:00: quality 0.2M42 20:00–20:35: quality 0.3M42 20:35–00:10: quality 0.4M42 00:10–02:15: quality 0.5M42 02:15–02:45: quality 0.4M42 02:45–03:10: quality 0.3observe M42 22:55–00:10observe M42 00:45–01:15observe M42 02:55–03:00M45M45 17:35–18:10: quality 0.1M45 18:10–18:45: quality 0.2M45 18:45–02:40: quality 0.4M45 02:40–03:05: quality 0.3M45 03:05–03:10: quality 0.2observe M45 01:15–02:55NGC 7000NGC 7000 17:35–18:10: quality 0.1NGC 7000 18:10–18:45: quality 0.3NGC 7000 18:45–19:20: quality 0.6NGC 7000 19:20–20:40: quality 0.5NGC 7000 20:40–21:10: quality 0.4NGC 7000 21:10–21:40: quality 0.3observe NGC 7000 18:45–20:15V1057 CygV1057 Cyg 17:35–18:10: quality 0.1V1057 Cyg 18:10–18:45: quality 0.3V1057 Cyg 18:45–19:20: quality 0.6V1057 Cyg 19:20–20:40: quality 0.5V1057 Cyg 20:40–21:10: quality 0.4V1057 Cyg 21:10–21:40: quality 0.3observe V1057 Cyg 18:10–18:30observe V1057 Cyg 20:15–21:25M33M33 17:35–18:10: quality 0.1M33 18:10–18:45: quality 0.2M33 18:45–00:25: quality 0.4M33 00:25–01:00: quality 0.3M33 01:00–01:20: quality 0.2observe M33 00:10–00:45scheduleNGC 7000V1057 CygM31M42M4518:0020:0022:0000:0002:0004:0006:00

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
16:55–18:10 — nothing worth pointing at — 1.25
18:10–18:30 V1057 Cyg 0.33 0.3
18:30–18:45 — nothing worth pointing at — 0.25
18:45–20:15 NGC 7000 1.5 0.54
20:15–21:25 V1057 Cyg 1.17 0.42
21:25–22:55 M31 1.5 0.38
22:55–00:10 M42 1.25 0.43
00:10–00:45 M33 0.58 0.34
00:45–01:15 M42 0.5 0.47
01:15–02:55 M45 1.67 0.4
02:55–03:00 M42 0.08 0.3
03:00–07:50 — nothing worth pointing at — 4.83

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 26 unknown 18:45–00:30 (marginal) 89.5° at 18:25 35.8° 1.5
M42 Great Orion Nebula 36 unknown 20:15–03:00 (marginal) 42.9° at 23:20 45.4° 1.83
M45 Seven Sisters 36 unknown 18:45–02:55 (marginal) 72.6° at 21:30 8.5° 1.67
NGC 7000 North America Nebula 23 unknown 18:45–21:25 (marginal) 87.2° at 14:45 76.1° 1.5
V1057 Cyg 23 unknown 18:45–21:25 (marginal) 87.2° at 14:45 76.1° 1.5
M33 Triangulum Pinwheel 23 unknown 18:45–00:45 (marginal) 79.2° at 19:20 22.7° 0.58
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2044-12-30"

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"}.