IC4991 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , IC4991 is not readily observable since it lies so far south that it will never rise more than 6° above the horizon.
|
Name
IC4991
|
Object type
Galaxy
|
Position
| Right ascension: | 20h18m [2] |
| Declination: | −41°03' [2] |
| Constellation: | Sagittarius |
| Magnitude: | 11.54 (V) [2] 12.68 (B) [2] 9.45 (J) [2] 8.80 (H) [2] 8.49 (K) [2] |
| Hubble type: | S0 |
| Distance: | 71.5 Mpc 233.1 Mlyr [1] |
| B-V Color (mag): | 1.14 |
Derived quantities
| Absolute mag (V): | -22.73 |