Arp 121 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Arp 121 is visible in the dawn sky, rising at 00:15 (EDT) and reaching an altitude of 34° above the south-eastern horizon before fading from view as dawn breaks at around 03:56.
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Name
Arp 121
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Object type
Galaxy cluster
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Position
| Right ascension: | 00h59m [1] |
| Declination: | −04°48' [1] |
| Constellation: | Cetus |
| Magnitude: | 14.50 (V) [1] |
Source