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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, 08 January 2034 · astronomical night 18:47 → 06:08 (11.36 h) · Moon 82% (waning gibbous) · weather: none — the schedule is astronomy only; overall conditions unknown

M31M31 17:40–18:15: quality 0.2M31 18:15–18:50: quality 0.5M31 18:50–21:20: quality 1.0M31 21:20–21:50: quality 0.9M31 21:50–23:10: quality 0.8M31 23:10–23:45: quality 0.7M31 23:45–00:00: quality 0.6M31 00:00–00:20: quality 0.5M31 00:20–00:35: quality 0.4observe M31 18:15–19:40M42M42 19:00–19:05: quality 0.4M42 19:05–19:20: quality 0.5M42 19:20–19:40: quality 0.6M42 19:40–19:55: quality 0.7M42 19:55–21:05: quality 0.8M42 21:05–21:25: quality 0.9M42 21:25–23:25: quality 0.7M42 23:25–01:20: quality 0.6M42 01:20–01:50: quality 0.5M42 01:50–02:15: quality 0.4M42 02:15–02:35: quality 0.3observe M42 23:40–02:00M45M45 17:40–18:15: quality 0.1M45 18:15–18:50: quality 0.5M45 18:50–21:25: quality 1.0M45 21:25–22:25: quality 0.9M45 22:25–00:00: quality 0.8M45 00:00–01:20: quality 0.7M45 01:20–01:55: quality 0.6M45 01:55–02:10: quality 0.5M45 02:10–02:25: quality 0.4M45 02:25–02:35: quality 0.3observe M45 22:15–23:40observe M45 02:00–02:35NGC 7000NGC 7000 17:40–18:15: quality 0.1NGC 7000 18:15–18:25: quality 0.5NGC 7000 18:25–18:50: quality 0.4NGC 7000 18:50–19:10: quality 0.9NGC 7000 19:10–20:05: quality 0.8NGC 7000 20:05–20:20: quality 0.7NGC 7000 20:20–20:35: quality 0.6NGC 7000 20:35–20:55: quality 0.5NGC 7000 20:55–21:05: quality 0.4NGC 7000 07:15–07:20: quality 0.1observe NGC 7000 19:40–20:50V1057 CygV1057 Cyg 17:40–18:15: quality 0.1V1057 Cyg 18:15–18:25: quality 0.5V1057 Cyg 18:25–18:50: quality 0.4V1057 Cyg 18:50–19:10: quality 0.9V1057 Cyg 19:10–20:05: quality 0.8V1057 Cyg 20:05–20:20: quality 0.7V1057 Cyg 20:20–20:35: quality 0.6V1057 Cyg 20:35–20:55: quality 0.5V1057 Cyg 20:55–21:05: quality 0.4V1057 Cyg 07:15–07:20: quality 0.1M33M33 17:40–18:15: quality 0.2M33 18:15–18:50: quality 0.5M33 18:50–21:25: quality 1.0M33 21:25–22:10: quality 0.9M33 22:10–23:25: quality 0.8M33 23:25–00:00: quality 0.7M33 00:00–00:15: quality 0.6M33 00:15–00:30: quality 0.5M33 00:30–00:45: quality 0.4observe M33 20:50–22:15scheduleM31NGC 7000M33M45M4218:0020:0022:0000:0002:0004:0006:00

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
17:05–18:15 — nothing worth pointing at — 1.17
18:15–19:40 M31 1.42 0.79
19:40–20:50 NGC 7000 1.17 0.67
20:50–22:15 M33 1.42 0.93
22:15–23:40 M45 1.42 0.83
23:40–02:00 M42 2.33 0.57
02:00–02:35 M45 0.58 0.41
02:35–07:50 — nothing worth pointing at — 5.25

Targets

targetastronomyoverallbest windowhighestMoon sep.scheduled h
M31 Andromeda Galaxy 100 unknown 18:50–23:50 (good) 89.5° at 17:55 124.7° 1.42
M42 Great Orion Nebula 86 unknown 19:30–00:25 (good) 42.9° at 22:45 76.5° 2.33
M45 Seven Sisters 100 unknown 18:50–01:45 (good) 72.5° at 20:55 99.2° 2.0
NGC 7000 North America Nebula 42 unknown 18:50–20:30 (good) 87.2° at 14:10 124.8° 1.17
V1057 Cyg 42 unknown 18:50–20:30 (good) 87.3° at 14:10 124.9° 0.0
M33 Triangulum Pinwheel 100 unknown 18:50–00:05 (good) 79.1° at 18:45 124.2° 1.42

Left out

💡 API 
curl -sS "https://devops.majbase.com/rozhen-planner/plan-api?targets=M31,M42,M45,NGC%207000&date=2034-01-08"

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"}.