Arp 257 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 257 is visible in the dawn sky, rising at 02:13 (PDT) and reaching an altitude of 41° above the south-eastern horizon before fading from view as dawn breaks at around 05:54.
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Name
Arp 257
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Object type
Galaxy cluster
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Position
| Right ascension: | 08h51m [1] |
| Declination: | −02°21' [1] |
| Constellation: | Hydra |
| Magnitude: | 15.00 (V) [1] |
Source