Arp 221 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 221 will become visible at around 20:43 (PDT), 41° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:04.
|
Name
Arp 221
|
Object type
Galaxy cluster
|
Position
| Right ascension: | 09h36m [1] |
| Declination: | −11°19' [1] |
| Constellation: | Hydra |
| Magnitude: | 14.00 (V) [1] |
Source