Abell cluster 921 (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 921 will become visible at around 21:03 (PDT), 47° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:02.
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Name
Abell cluster 921
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Object type
Galaxy cluster
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