IC 4991
IC 4991 is a lenticular galaxy located in the constellation of Sagittarius. The ICGC is a catalog of 5,386 nebulae, star clusters, and galaxies. Here are the key stats on IC 4991:
| IC: | IC 4991 |
| Type: | galaxy |
| Galaxy type: | lenticular |
| Galaxy morph class: | S0 |
| Constellation: | Sagittarius |
| Surface brightness: | 23.7 mag/arcsec2 |
| V-mag (visual): | 11.5 |
| B-mag (blue): | 12.6 |
| J-mag (IR): | 9.45 |
| H-mag (IR): | |
| K-mag (IR): | 8.8 |
| Right Ascension: | 20:18:23.28 |
| Declination: | -41:03:00.60 |
| Major axis: | 2.91 ' |
| Minor axis: | 2.13 ' |
| Angle (major axis): | 129° |
| Radial velocity: | 5648 km/s |
| Redshift: | 0.01902 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS