NGC 684
NGC 684 is a spiral galaxy located in the constellation of Triangulum. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 684:
| NGC: | NGC 684 |
| Type: | galaxy |
| Galaxy type: | spiral |
| Galaxy morph class: | Sb |
| Constellation: | Triangulum |
| Surface brightness: | 23.5 mag/arcsec2 |
| V-mag (visual): | 12.3 |
| B-mag (blue): | 13.3 |
| J-mag (IR): | 9.88 |
| H-mag (IR): | |
| K-mag (IR): | 9.09 |
| Right Ascension: | 01:50:14.02 |
| Declination: | 27:38:44.40 |
| Major axis: | 2.95 ' |
| Minor axis: | 0.82 ' |
| Angle (major axis): | 90° |
| Radial velocity: | 3503 km/s |
| Redshift: | 0.011755 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS