NGC 3945
 
NGC 3945 is a lenticular 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 3945:
| NGC: | NGC 3945 | 
| Type: | galaxy | 
| Galaxy type: | lenticular | 
| Galaxy morph class: | S0-a | 
| Constellation: | Ursa Major | 
| Surface brightness: | 24.1 mag/arcsec2 | 
| V-mag (visual): | 10.7 | 
| B-mag (blue): | 11.7 | 
| J-mag (IR): | 8.52 | 
| H-mag (IR): | |
| K-mag (IR): | 7.61 | 
| Right Ascension: | 11:53:13.73 | 
| Declination: | 60:40:32.00 | 
| Major axis: | 5.55 ' | 
| Minor axis: | 3.29 ' | 
| Angle (major axis): | 15° | 
| Radial velocity: | 1242 km/s | 
| Redshift: | 0.004153 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS