NGC 721
NGC 721 is a spiral galaxy located in the constellation Andromeda. Some key stats include:
| NGC: | NGC 721 |
| Type: | galaxy |
| Galaxy type: | spiral |
| Galaxy morph class: | Sbc |
| Constellation: | Andromeda |
| Surface brightness: | 23.2 mag/arcsec2 |
| V-magnitude (visual): | 13.4 |
| B-magnitude (blue): | 14.1 |
| J-magnitude (IR): | 11.4 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 10.7 |
| Right Ascension: | 01:54:45.46 |
| Declination: | 39:23:00.70 |
| Major axis: | 1.4 ' |
| Minor axis: | 0.83 ' |
| Angle (major axis): | 124° |
| Radial velocity: | 5514 km/s |
| Redshift: | 0.018566 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula