NGC 3550
 
NGC 3550 is a galaxy pair 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 3550:
| NGC: | NGC 3550 | 
| Type: | galaxy pair | 
| Constellation: | Ursa Major | 
| Right Ascension: | 11:10:38.70 | 
| Declination: | 28:46:06.00 | 
| Major axis: | 1.2 ' | 
Right Ascension (RA) units = HH:MM:SS.SS
Declination (Dec) units = DD:MM:SS.SS