NGC 6642
NGC 6642 is a globular cluster located in the constellation of Sagittarius. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6642:
| NGC: | NGC 6642 |
| Type: | globular cluster |
| Constellation: | Sagittarius |
| V-mag (visual): | 10.2 |
| B-mag (blue): | 11.3 |
| Right Ascension: | 18:31:54.22 |
| Declination: | -23:28:34.10 |
| Major axis: | 3.9 ' |
| Radial velocity: | -33 km/s |
| Redshift: | -0.00011 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS