Arp 139 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 139 is visible in the evening sky, becoming accessible around 20:51 (PDT), 67° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:31, 82° above your southern horizon. It will continue to be observable until around 03:53, when it sinks below 21° above your western horizon.
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Name
Arp 139
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Object type
Galaxy cluster
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Position
| Right ascension: | 13h07m [1] |
| Declination: | +26°43' [1] |
| Constellation: | Coma Berenices |
| Magnitude: | 15.80 (V) [1] |
Source