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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, 20 December 2032 · astronomical night 18:33 → 06:04 (11.51 h) · Moon 84% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:05: quality 0.2M31 18:05–18:35: quality 0.5M31 18:35–20:50: quality 1.0M31 20:50–22:10: quality 0.9M31 22:10–23:30: quality 0.8M31 23:30–00:45: quality 0.7M31 00:45–01:05: quality 0.6M31 01:05–01:25: quality 0.5M31 01:25–01:45: quality 0.4M31 01:45–01:50: quality 0.3observe M31 19:45–21:25M42M42 20:15–20:20: quality 0.4M42 20:20–20:35: quality 0.5M42 20:35–20:50: quality 0.6M42 20:50–21:10: quality 0.5M42 21:10–23:25: quality 0.6M42 23:25–02:05: quality 0.5M42 02:05–03:05: quality 0.4M42 03:05–03:35: quality 0.3M42 03:35–03:50: quality 0.2observe M42 01:30–03:10M45M45 17:25–18:05: quality 0.1M45 18:05–18:35: quality 0.4M45 18:35–19:30: quality 0.9M45 19:30–20:50: quality 1.0M45 20:50–22:25: quality 0.8M45 22:25–00:45: quality 0.7M45 00:45–02:15: quality 0.6M45 02:15–03:05: quality 0.5M45 03:05–03:30: quality 0.4M45 03:30–03:50: quality 0.3observe M45 23:50–01:30observe M45 03:10–03:40NGC 7000NGC 7000 17:25–18:05: quality 0.2NGC 7000 18:05–18:35: quality 0.5NGC 7000 18:35–18:55: quality 1.0NGC 7000 18:55–20:20: quality 0.9NGC 7000 20:20–21:05: quality 0.8NGC 7000 21:05–21:25: quality 0.7NGC 7000 21:25–21:45: quality 0.6NGC 7000 21:45–22:00: quality 0.5NGC 7000 22:00–22:15: quality 0.4observe NGC 7000 18:05–19:45V1057 CygV1057 Cyg 17:25–18:05: quality 0.2V1057 Cyg 18:05–18:35: quality 0.5V1057 Cyg 18:35–18:55: quality 1.0V1057 Cyg 18:55–20:20: quality 0.9V1057 Cyg 20:20–21:05: quality 0.8V1057 Cyg 21:05–21:25: quality 0.7V1057 Cyg 21:25–21:45: quality 0.6V1057 Cyg 21:45–22:00: quality 0.5V1057 Cyg 22:00–22:15: quality 0.4observe V1057 Cyg 21:25–22:10M33M33 17:25–17:40: quality 0.1M33 17:40–18:05: quality 0.2M33 18:05–18:35: quality 0.5M33 18:35–20:50: quality 1.0M33 20:50–22:25: quality 0.9M33 22:25–23:35: quality 0.8M33 23:35–01:00: quality 0.7M33 01:00–01:20: quality 0.6M33 01:20–01:35: quality 0.5M33 01:35–01:55: quality 0.4M33 01:55–02:00: quality 0.3observe M33 22:10–23:50scheduleNGC 7000M31M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
16:50–18:05 — nothing worth pointing at — 1.25
18:05–19:45 NGC 7000 1.67 0.8
19:45–21:25 M31 1.67 0.96
21:25–22:10 V1057 Cyg 0.75 0.53
22:10–23:50 M33 1.67 0.8
23:50–01:30 M45 1.67 0.66
01:30–03:10 M42 1.67 0.43
03:10–03:40 M45 0.5 0.37
03:40–07:45 — nothing worth pointing at — 4.08

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:35–00:55 (good) 89.7° at 19:05 108.5° 1.67
M42 Great Orion Nebula 58 unknown 20:45–20:50 (good) 42.9° at 00:00 56.2° 1.67
M45 Seven Sisters 100 unknown 18:35–01:30 (good) 72.6° at 22:10 77.4° 2.17
NGC 7000 North America Nebula 78 unknown 18:35–21:35 (good) 87.2° at 15:20 124.4° 1.67
V1057 Cyg 78 unknown 18:35–21:35 (good) 87.3° at 15:20 124.5° 0.75
M33 Triangulum Pinwheel 100 unknown 18:35–01:10 (good) 79.1° at 19:55 104.4° 1.67
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2032-12-20"

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"}.