Arp 102 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 102 will become visible at around 20:09 (PDT), 70° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 04:33.
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Name
Arp 102
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Object type
Galaxy cluster
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Position
| Right ascension: | 17h19m [1] |
| Declination: | +49°01' [1] |
| Constellation: | Hercules |
| Magnitude: | 14.90 (V) [1] |
Source