NGC 688
NGC 688 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 688:
| NGC: | NGC 688 |
| Type: | galaxy |
| Galaxy type: | spiral |
| Galaxy morph class: | Sb |
| Constellation: | Triangulum |
| Surface brightness: | 21.2 mag/arcsec2 |
| V-mag (visual): | 12.6 |
| B-mag (blue): | 13.3 |
| J-mag (IR): | 11.1 |
| H-mag (IR): | |
| K-mag (IR): | 10.4 |
| Right Ascension: | 01:50:44.18 |
| Declination: | 35:17:04.30 |
| Major axis: | 0.89 ' |
| Minor axis: | 0.38 ' |
| Angle (major axis): | 153° |
| Radial velocity: | 4148 km/s |
| Redshift: | 0.01393 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS