NGC21 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , NGC21 is visible in the dawn sky, rising at 20:44 (EDT) and reaching an altitude of 71° above the eastern horizon before fading from view as dawn breaks at around 03:55.
|
Name
NGC21
|
Object type
Galaxy
|
Position
| Right ascension: | 00h10m [4] |
| Declination: | +33°21' [4] |
| Constellation: | Andromeda |
| Magnitude: | 13.42 (B) [2] 11.25 (J) [2] 10.61 (H) [2] 10.33 (K) [2] |
| Hubble type: | Sbc |
| Distance: | 70.3 Mpc 229.2 Mlyr [1] |
Derived quantities
| Absolute mag (V): | -20.81 |
Sources