Arp 239 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Arp 239 is visible in both the dusk and dawn skies. In the evening, it will become visible at around 19:10 (EDT), 31° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 20:36 when it dips 21° above your north-western horizon. At 05:09, it will return to an altitude of 21° above your north-eastern horizon, and reach an altitude of 25° before fading from view as dawn breaks at around 05:46.
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Name
Arp 239
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Object type
Galaxy cluster
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Visibility from Cambridge
All times shown in Cambridge local time.