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 morning sky, becoming accessible around 22:28, when it reaches an altitude of 21° above your south-eastern horizon. It will then reach its highest point in the sky at 02:16, 48° above your southern horizon. It will be lost to dawn twilight around 05:46, 25° above your south-western horizon.
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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] |