NGC 6591
NGC 6591 is a galaxy located in the constellation Hercules. Some key stats include:
| NGC: | NGC 6591 |
| Type: | galaxy |
| Constellation: | Hercules |
| Surface brightness: | 23.7 mag/arcsec2 |
| B-magnitude (blue): | 16.3 |
| Right Ascension: | 18:14:03.90 |
| Declination: | 21:03:50.00 |
| Major axis: | 0.54 ' |
| Minor axis: | 0.21 ' |
| Angle (major axis): | 54° |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula