Arp 172 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Arp 172 is visible all night. It will become visible at around 21:21 (EDT), 36° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 01:09, 65° above your southern horizon. It will be lost to dawn twilight at around 03:57, 46° above your western horizon.
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Name
Arp 172
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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