NGC 6643
NGC 6643 is a late spiral galaxy located in the constellation of Draco. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6643:
| NGC: | NGC 6643 |
| Type: | galaxy |
| Galaxy type: | late spiral |
| Galaxy morph class: | Sc |
| Constellation: | Draco |
| Surface brightness: | 22.5 mag/arcsec2 |
| V-mag (visual): | 11.1 |
| B-mag (blue): | 11.7 |
| J-mag (IR): | 9.25 |
| H-mag (IR): | |
| K-mag (IR): | 8.56 |
| Right Ascension: | 18:19:46.41 |
| Declination: | 74:34:06.10 |
| Major axis: | 3.32 ' |
| Minor axis: | 1.63 ' |
| Angle (major axis): | 37° |
| Radial velocity: | 1485 km/s |
| Redshift: | 0.004967 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS