Abell cluster 399 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Abell cluster 399 is visible in the dawn sky, rising at 23:13 (EDT) and reaching an altitude of 54° above the south-eastern horizon before fading from view as dawn breaks at around 04:35.
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Name
Abell cluster 399
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Object type
Galaxy cluster
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Position
| Right ascension: | 02h57m [1] |
| Declination: | +13°00' [1] |
| Constellation: | Aries |
| Magnitude: | 15.60 (R) [1] |