Arp 21 (Galaxy cluster)

From South El Monte , Arp 21 is visible in the dawn sky, rising at 03:34 (PDT) – 3 hours and 11 minutes before the Sun – and reaching an altitude of 22° above the eastern horizon before fading from view as dawn breaks at around 05:46.
Name
Arp 21
|
Object type
Galaxy cluster
|
Right ascension: | 11h04m [1] |
Declination: | +30°01' [1] |
Constellation: | Leo Minor |
Magnitude: | 14.70 (V) [1] |
All times shown in South El Monte local time.