Arp 258 (Galaxy cluster)
From South El Monte , Arp 258 will become visible at around 20:00 (PDT), 31° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 39 minutes after the Sun at 22:40.
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Name
Arp 258
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Object type
Galaxy cluster
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All times shown in South El Monte local time.