NGC 6660
NGC 6660 is a lenticular galaxy located in the constellation of Hercules. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6660:
| NGC: | NGC 6660 |
| Type: | galaxy |
| Dupe x-reference: | NGC 6661 |
| Galaxy type: | lenticular |
| Galaxy morph class: | S0-a |
| Constellation: | Hercules |
| Surface brightness: | 23.4 mag/arcsec2 |
| V-mag (visual): | 12.3 |
| B-mag (blue): | 13.3 |
| J-mag (IR): | 9.54 |
| H-mag (IR): | |
| K-mag (IR): | 8.81 |
| Right Ascension: | 18:34:36.67 |
| Declination: | 22:54:34.80 |
| Major axis: | 1.95 ' |
| Minor axis: | 1.13 ' |
| Angle (major axis): | 143° |
| Radial velocity: | 4224 km/s |
| Redshift: | 0.01419 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS