NGC 6121
NGC 6121 is a globular cluster located in the constellation Scorpius. Some key stats include:
| NGC: | NGC 6121 |
| Messier: | M 4 |
| Type: | globular cluster |
| Constellation: | Scorpius |
| V-magnitude (visual): | 5.4 |
| Right Ascension: | 16:23:35.40 |
| Declination: | -26:31:31.90 |
| Major axis: | 28.2 ' |
| Radial velocity: | 71 km/s |
| Redshift: | 0.000237 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula