| Described by Lacaille, the two compasses lie close to the front feet of the Centaur, south from Lupus and Norma. | 
				
					
						| Symbol | Cir |  
						| Right Ascension | 03:00 |  
						| Declination | -62 |  
						| Diameter (°) | 7 |  
						| Area (square °) | 93 |  
						| Opposition | May 08 |  
						| Size Rank | 85th |  
						| Brightness Rank | 74th |  
						| Genitive | Circini |  |