Abell cluster 639 (Galaxy cluster)
From Cambridge , Abell cluster 639 is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 05:29, 54° above your north-eastern horizon. At dusk, it will become visible at around 19:36 (EDT), 20° above your northern horizon.
Name
Abell cluster 639
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Object type
Galaxy cluster
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All times shown in Cambridge local time.