NGC 6405
Butterfly Cluster
NGC 6405 is a open cluster located in the constellation of Scorpius. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6405:
| NGC: | NGC 6405 |
| Common name: | Butterfly Cluster |
| Messier: | M 6 |
| Type: | open cluster |
| Constellation: | Scorpius |
| V-mag (visual): | 4.2 |
| B-mag (blue): | 4.48 |
| Right Ascension: | 17:40:20.75 |
| Declination: | -32:15:15.00 |
| Major axis: | 15.6 ' |
| Radial velocity: | -9 km/s |
| Redshift: | -0.00003 |
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS