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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, 02 December 2039 · astronomical night 18:30 → 05:50 (11.35 h) · Moon 96% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–17:40: quality 0.1M31 17:40–18:00: quality 0.2M31 18:00–18:15: quality 0.5M31 18:15–18:35: quality 0.4M31 18:35–20:40: quality 0.7M31 20:40–23:15: quality 0.6M31 23:15–01:00: quality 0.5M31 01:00–02:15: quality 0.4M31 02:15–02:50: quality 0.3M31 02:50–03:00: quality 0.2observe M31 21:30–23:15observe M31 01:55–02:30M42M42 21:25–22:05: quality 0.2M42 22:05–00:40: quality 0.3M42 00:40–04:55: quality 0.2M42 04:55–05:00: quality 0.1M45M45 17:50–18:00: quality 0.1M45 18:00–18:05: quality 0.2M45 18:05–18:15: quality 0.3M45 18:15–18:35: quality 0.2M45 18:35–20:50: quality 0.5M45 20:50–23:05: quality 0.4M45 23:05–04:10: quality 0.3M45 04:10–05:00: quality 0.2NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:15: quality 0.5NGC 7000 18:15–18:35: quality 0.4NGC 7000 18:35–18:40: quality 0.9NGC 7000 18:40–20:25: quality 0.8NGC 7000 20:25–21:50: quality 0.7NGC 7000 21:50–22:35: quality 0.6NGC 7000 22:35–22:55: quality 0.5NGC 7000 22:55–23:20: quality 0.4NGC 7000 23:20–23:30: quality 0.3observe NGC 7000 18:00–19:45V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:15: quality 0.5V1057 Cyg 18:15–18:35: quality 0.4V1057 Cyg 18:35–18:40: quality 0.9V1057 Cyg 18:40–20:25: quality 0.8V1057 Cyg 20:25–21:50: quality 0.7V1057 Cyg 21:50–22:35: quality 0.6V1057 Cyg 22:35–22:55: quality 0.5V1057 Cyg 22:55–23:20: quality 0.4V1057 Cyg 23:20–23:30: quality 0.3observe V1057 Cyg 19:45–21:30M33M33 17:25–18:00: quality 0.1M33 18:00–18:15: quality 0.5M33 18:15–18:35: quality 0.3M33 18:35–19:55: quality 0.7M33 19:55–22:10: quality 0.6M33 22:10–00:25: quality 0.5M33 00:25–02:25: quality 0.4M33 02:25–02:55: quality 0.3M33 02:55–03:10: quality 0.2observe M33 23:15–01:55observe M33 02:30–02:40scheduleNGC 7000V1057 CygM31M3318:0020:0022:0000:0002:0004:0006:00

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
16:50–18:00 — nothing worth pointing at — 1.17
18:00–19:45 NGC 7000 1.75 0.71
19:45–21:30 V1057 Cyg 1.75 0.74
21:30–23:15 M31 1.75 0.58
23:15–01:55 M33 2.67 0.45
01:55–02:30 M31 0.58 0.36
02:30–02:40 M33 0.17 0.31
02:40–07:35 — nothing worth pointing at — 4.92

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 74 unknown 18:35–21:55 (good) 89.8° at 20:20 69.6° 2.33
M42 Great Orion Nebula 13 unknown — 42.9° at 01:10 32.6° 0.0
M45 Seven Sisters 45 unknown 18:35–00:35 (marginal) 72.5° at 23:25 34.8° 0.0
NGC 7000 North America Nebula 79 unknown 18:35–22:25 (good) 87.2° at 16:35 101.5° 1.75
V1057 Cyg 79 unknown 18:35–22:25 (good) 87.3° at 16:35 101.5° 1.75
M33 Triangulum Pinwheel 70 unknown 18:35–21:00 (good) 79.2° at 21:10 62.4° 2.83

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2039-12-02"

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"}.