NGC 6640
NGC 6640 is a late spiral galaxy located in the constellation of Lyra. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6640:
| NGC: | NGC 6640 |
| Type: | galaxy |
| Galaxy type: | late spiral |
| Galaxy morph class: | Sc |
| Constellation: | Lyra |
| Surface brightness: | 21.6 mag/arcsec2 |
| B-mag (blue): | 14.1 |
| J-mag (IR): | 11.3 |
| H-mag (IR): | |
| K-mag (IR): | 10.5 |
| Right Ascension: | 18:28:08.27 |
| Declination: | 34:18:09.60 |
| Major axis: | 0.83 ' |
| Minor axis: | 0.18 ' |
| Angle (major axis): | 146° |
| Radial velocity: | 6769 km/s |
| Redshift: | 0.022839 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS