Arp 307 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , Arp 307 will become visible at around 21:10 (EDT), 51° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 02:01.
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Name
Arp 307
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Object type
Galaxy cluster
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Source