NGC 3938
 
NGC 3938 is a late 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 3938:
| NGC: | NGC 3938 | 
| Type: | galaxy | 
| Galaxy type: | late spiral | 
| Galaxy morph class: | Sc | 
| Constellation: | Ursa Major | 
| Surface brightness: | 22.3 mag/arcsec2 | 
| V-mag (visual): | 10.3 | 
| B-mag (blue): | 10.8 | 
| J-mag (IR): | 8.62 | 
| H-mag (IR): | |
| K-mag (IR): | 8.17 | 
| Right Ascension: | 11:52:49.45 | 
| Declination: | 44:07:14.60 | 
| Major axis: | 3.55 ' | 
| Minor axis: | 3.44 ' | 
| Angle (major axis): | 28° | 
| Radial velocity: | 870 km/s | 
| Redshift: | 0.00291 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS