The galaxy cluster Abell 991
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Ashburn , Abell 991 will become visible around 21:51 (EDT) as the dusk sky fades, 44° above your western horizon. It will then sink towards the horizon, setting at 01:49.
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Name
Abell 991
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Object Type
Galaxy Cluster
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