M3
NGC 5272
Other description: Globular cluster highly resolved.
Constellation: CVn
Dreyer description: Very remarkable!, globular cluster, extremely bright, very large, very abruptly much brighter middle, stars of magnitude 11 and fainter; = M3.
Magnitude: 6.4
RA: 13h 42m 16.0s Dec: +28°22'45" 
RA: 13h 42m 12.0s Dec: +28°23'00" (Epoch 2000)
Azm: 274°24'44" Alt: +50°16'22" 
Size:16.2'