NGC 5457
 
NGC 5457 is a mixed 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 5457:
| NGC: | NGC 5457 | 
| Messier: | M 101 | 
| Type: | galaxy | 
| Galaxy type: | mixed spiral | 
| Galaxy morph class: | SABc | 
| Constellation: | Ursa Major | 
| Surface brightness: | 23.9 mag/arcsec2 | 
| V-mag (visual): | 7.9 | 
| B-mag (blue): | 8.36 | 
| J-mag (IR): | 6.52 | 
| H-mag (IR): | |
| K-mag (IR): | 5.81 | 
| Right Ascension: | 14:03:12.54 | 
| Declination: | 54:20:56.20 | 
| Major axis: | 23.99 ' | 
| Minor axis: | 23.07 ' | 
| Angle (major axis): | 28° | 
| Radial velocity: | 243 km/s | 
| Redshift: | 0.000811 | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS