Keenan's System (Arp 104)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Keenan's System will become visible at around 21:16 (PDT), 55° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 02:30 when it dips 21° above your north-western horizon.
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Name
Keenan's System (Arp 104)
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Object type
Galaxy cluster
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Position
| Right ascension: | 13h32m [1] |
| Declination: | +62°44' [1] |
| Constellation: | Ursa Major |
| Magnitude: | 12.30 (V) [1] |
Source