NGC 3991 NED02
 
NGC 3991 NED02 is a early spiral galaxy 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 3991 NED02:
| NGC: | NGC 3991 NED02 | 
| Type: | galaxy | 
| Dupe x-reference: | NGC 3991N | 
| Galaxy type: | early spiral | 
| Galaxy morph class: | Sab | 
| Constellation: | Ursa Major | 
| Surface brightness: | 22.9 mag/arcsec2 | 
| B-mag (blue): | 14.9 | 
| Right Ascension: | 11:57:31.73 | 
| Declination: | 32:20:30.20 | 
| Major axis: | 0.83 ' | 
| Minor axis: | 0.5 ' | 
| Angle (major axis): | 15° | 
| Radial velocity: | 3241 km/s | 
| Redshift: | 0.010871 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS