Arp 121 (Galaxy cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Arp 121 is visible in the dawn sky, rising at 02:10 (PDT) – 3 hours and 28 minutes before the Sun – and reaching an altitude of 26° above the south-eastern horizon before fading from view as dawn breaks at around 04:26.
|
Name
Arp 121
|
Object type
Galaxy cluster
|
Position
| Right ascension: | 00h59m [1] |
| Declination: | −04°48' [1] |
| Constellation: | Cetus |
| Magnitude: | 14.50 (V) [1] |
Source