NGC 661
NGC 661 is a elliptical galaxy located in the constellation Triangulum. Some key stats include:
| NGC: | NGC 661 |
| Type: | galaxy |
| Galaxy type: | elliptical |
| Galaxy morph class: | E |
| Constellation: | Triangulum |
| Surface brightness: | 23.4 mag/arcsec2 |
| V-magnitude (visual): | 12.2 |
| B-magnitude (blue): | 13.1 |
| J-magnitude (IR): | 10.2 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 9.53 |
| Right Ascension: | 01:44:14.62 |
| Declination: | 28:42:21.30 |
| Major axis: | 1.91 ' |
| Minor axis: | 1.4 ' |
| Angle (major axis): | 56° |
| Radial velocity: | 3823 km/s |
| Redshift: | 0.012836 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula