Arp 221 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Arp 221 is visible in the morning sky, becoming accessible around 02:03, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 05:05, 36° above your southern horizon. It will be lost to dawn twilight around 05:32, 35° above your southern horizon.
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Name
Arp 221
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Object type
Galaxy cluster
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Position
| Right ascension: | 09h36m [1] |
| Declination: | −11°19' [1] |
| Constellation: | Hydra |
| Magnitude: | 14.00 (V) [1] |
Source