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 21:02 (PDT), 71° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 03:19.
|
Name
Arp 172
|
Object type
Galaxy cluster
|
Position
| Right ascension: | 16h05m [1] |
| Declination: | +17°35' [1] |
| Constellation: | Hercules |
| Magnitude: | 15.20 (V) [1] |
Source