NGC 6397
Caldwell 86
 
NGC 6397 is a globular cluster located in the constellation of Ara. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6397:
| NGC: | NGC 6397 | 
| Common name: | Caldwell 86 | 
| Type: | globular cluster | 
| Constellation: | Ara | 
| V-mag (visual): | 5.17 | 
| B-mag (blue): | 7.39 | 
| K-mag (IR): | |
| Right Ascension: | 17:40:41.36 | 
| Declination: | -53:40:25.30 | 
| Major axis: | 15.3 ' | 
| Radial velocity: | 18 km/s | 
| Redshift: | 0.000061 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS