Arp 172 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 172 will become visible at around 20:35 (PDT), 62° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:51.
Name
Arp 172
|
Object type
Galaxy cluster
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Position
Right ascension: | 16h05m [1] |
Declination: | +17°35' [1] |
Constellation: | Hercules |
Magnitude: | 15.20 (V) [1] |
Source