Arp 239 (Galaxy cluster)

Image of Arp 239
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From South El Monte , Arp 239 will become visible at around 21:17 (PDT), 67° above your northern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at --:--.

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Name Arp 239
Object type Galaxy cluster
Comprised of NGC5278
NGC5279
Other names
Arp 239[1]
Mrk 271[2]
Position
Right ascension:13h41m [1]
Declination:+55°40' [1]
Constellation:Ursa Major
Magnitude:13.60 (V) [2]
Sources
Visibility from South El Monte

All times shown in South El Monte local time.

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

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Last updated: 18 Jun 2026, 18:17 UTC
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