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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 Sunday, 19 December 2032 · astronomical night 18:33 → 06:03 (11.51 h) · Moon 90% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:25–18:00: quality 0.2M31 18:00–18:35: quality 0.5M31 18:35–19:55: quality 1.0M31 19:55–20:10: quality 0.9M31 20:10–22:35: quality 0.8M31 22:35–00:00: quality 0.7M31 00:00–00:55: quality 0.6M31 00:55–01:20: quality 0.5M31 01:20–01:40: quality 0.4M31 01:40–01:50: quality 0.3observe M31 19:40–21:10observe M31 22:20–22:50M42M42 20:15–20:40: quality 0.3M42 20:40–21:10: quality 0.4M42 21:10–23:05: quality 0.5M42 23:05–02:10: quality 0.4M42 02:10–03:20: quality 0.3M42 03:20–03:50: quality 0.2observe M42 02:10–03:00M45M45 17:25–18:00: quality 0.1M45 18:00–18:35: quality 0.4M45 18:35–19:35: quality 0.9M45 19:35–19:55: quality 1.0M45 19:55–22:10: quality 0.7M45 22:10–00:35: quality 0.6M45 00:35–02:25: quality 0.5M45 02:25–03:15: quality 0.4M45 03:15–03:45: quality 0.3M45 03:45–03:50: quality 0.2observe M45 00:30–02:10observe M45 03:00–03:30NGC 7000NGC 7000 17:25–18:00: quality 0.2NGC 7000 18:00–18:35: quality 0.5NGC 7000 18:35–18:55: quality 1.0NGC 7000 18:55–19:55: quality 0.9NGC 7000 19:55–20:55: quality 0.8NGC 7000 20:55–21:25: quality 0.7NGC 7000 21:25–21:45: quality 0.6NGC 7000 21:45–22:05: quality 0.5NGC 7000 22:05–22:20: quality 0.4observe NGC 7000 18:00–19:40V1057 CygV1057 Cyg 17:25–18:00: quality 0.2V1057 Cyg 18:00–18:35: quality 0.5V1057 Cyg 18:35–18:55: quality 1.0V1057 Cyg 18:55–19:55: quality 0.9V1057 Cyg 19:55–20:55: quality 0.8V1057 Cyg 20:55–21:25: quality 0.7V1057 Cyg 21:25–21:45: quality 0.6V1057 Cyg 21:45–22:05: quality 0.5V1057 Cyg 22:05–22:20: quality 0.4observe V1057 Cyg 21:10–22:20M33M33 17:25–17:45: quality 0.1M33 17:45–18:00: quality 0.2M33 18:00–18:35: quality 0.5M33 18:35–19:55: quality 1.0M33 19:55–22:35: quality 0.8M33 22:35–23:55: quality 0.7M33 23:55–01:10: quality 0.6M33 01:10–01:30: quality 0.5M33 01:30–01:50: quality 0.4M33 01:50–02:00: quality 0.3observe M33 22:50–00:30scheduleNGC 7000M31V1057 CygM33M45M4218:0020:0022:0000:0002:0004:0006:00

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
18:00–19:40 NGC 7000 1.67 0.78
19:40–21:10 M31 1.5 0.87
21:10–22:20 V1057 Cyg 1.17 0.55
22:20–22:50 M31 0.5 0.75
22:50–00:30 M33 1.67 0.67
00:30–02:10 M45 1.67 0.51
02:10–03:00 M42 0.83 0.34
03:00–03:30 M45 0.5 0.36
03:30–07:45 — nothing worth pointing at — 4.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:35–00:45 (good) 89.8° at 19:10 98.4° 2.0
M42 Great Orion Nebula 36 unknown 20:25–03:00 (marginal) 42.9° at 00:00 45.9° 0.83
M45 Seven Sisters 97 unknown 18:35–23:25 (good) 72.6° at 22:15 65.3° 2.17
NGC 7000 North America Nebula 78 unknown 18:35–21:35 (good) 87.2° at 15:25 120.9° 1.67
V1057 Cyg 78 unknown 18:35–21:35 (good) 87.3° at 15:25 120.9° 1.17
M33 Triangulum Pinwheel 100 unknown 18:35–00:35 (good) 79.1° at 20:00 92.9° 1.67
💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2032-12-19"

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"}.