NGC 6720
Ring Nebula
 
NGC 6720 is a planetary nebula located in the constellation of Lyra. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 6720:
| NGC: | NGC 6720 | 
| Common name: | Ring Nebula | 
| Messier: | M 57 | 
| Type: | planetary nebula | 
| Constellation: | Lyra | 
| V-mag (visual): | 8.8 | 
| B-mag (blue): | 9.7 | 
| J-mag (IR): | 16.4 | 
| Right Ascension: | 18:53:35.01 | 
| Declination: | 33:01:42.90 | 
| Major axis: | 1.27 ' | 
| Radial velocity: | -19 km/s | 
| Redshift: | -0.00006 | 
| PN central star ID: | HD 175353 | 
| PN star V-mag: | 15.2 | 
| PN star B-mag: | 15.2 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS