Abell cluster 991 (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 991 is visible in the morning sky, becoming accessible around 22:46, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:49, 74° above your southern horizon. It will be lost to dawn twilight around 05:49, 59° above your western horizon.
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Name
Abell cluster 991
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Object type
Galaxy cluster
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