NGC 6991
NGC 6991 is a open cluster located in the constellation of Cygnus. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6991:
| NGC: | NGC 6991 |
| Type: | open cluster |
| Constellation: | Cygnus |
| Right Ascension: | 20:54:52.00 |
| Declination: | 47:27:42.00 |
| Major axis: | 23 ' |
| Radial velocity: | -12 km/s |
| Redshift: | -0.00004 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS