Arp 4 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 4 will become visible at around 18:35 (PST), 30° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 50 minutes after the Sun at 21:25.
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Name
Arp 4
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Object type
Galaxy cluster
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Position
| Right ascension: | 01h48m [1] |
| Declination: | −12°22' [1] |
| Constellation: | Cetus |
| Magnitude: | 13.70 (V) [1] |
Source