Abell cluster 644 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Abell cluster 644 is visible in the dawn sky, rising at 01:22 (PDT) and reaching an altitude of 45° above the south-eastern horizon before fading from view as dawn breaks at around 06:01.
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Name
Abell cluster 644
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Object type
Galaxy cluster
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Position
| Right ascension: | 08h17m [1] |
| Declination: | −07°35' [1] |
| Constellation: | Hydra |
| Magnitude: | 16.20 (R) [1] |