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 00:56 (EDT) and reaching an altitude of 27° above the eastern horizon before fading from view as dawn breaks at around 04:03.
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