Arp 129 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 129 is visible all night. It will become visible at around 18:31 (PST), 22° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:05, 88° above your southern horizon. It will be lost to dawn twilight at around 05:38, 22° above your north-western horizon.
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Name
Arp 129
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Object type
Galaxy cluster
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Source