NGC 5451
 
NGC 5451 is a H II region 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 5451:
| NGC: | NGC 5451 | 
| Type: | H II region | 
| Constellation: | Ursa Major | 
| B-mag (blue): | 16.7 | 
| Right Ascension: | 14:02:37.05 | 
| Declination: | 54:21:45.10 | 
| Major axis: | 0.52 ' | 
| Minor axis: | 0.31 ' | 
| Angle (major axis): | 58° | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS