NGC 6475 Ptolemy Cluster
NGC 6475 is a open cluster located in the constellation Scorpius. Some key stats include:
| NGC: | NGC 6475 |
| Common name: | Ptolemy Cluster |
| Messier: | M 7 |
| Type: | open cluster |
| Constellation: | Scorpius |
| V-magnitude (visual): | 3.3 |
| B-magnitude (blue): | 3.45 |
| Right Ascension: | 17:53:51.18 |
| Declination: | -34:47:34.20 |
| Major axis: | 22.2 ' |
| Radial velocity: | -15 km/s |
| Redshift: | -0.00004 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula