NGC 3587
Owl Nebula
 
NGC 3587 is a planetary nebula located in the constellation of Ursa Major. The NGC is a catalog of 7,840 nebulae, star clusters, and galaxies. Here are the key stats on NGC 3587:
| NGC: | NGC 3587 | 
| Common name: | Owl Nebula | 
| Messier: | M 97 | 
| Type: | planetary nebula | 
| Constellation: | Ursa Major | 
| V-mag (visual): | 9.9 | 
| B-mag (blue): | 11.6 | 
| J-mag (IR): | 16.7 | 
| Right Ascension: | 11:14:47.71 | 
| Declination: | 55:01:08.50 | 
| Major axis: | 3.58 ' | 
| PN star V-mag: | 16.0 | 
| PN star B-mag: | 16.0 | 
| PN star U-mag: | 16.0 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS