Globular Star Cluster in Canes Venatici; M.3. N.G.C. 5272. R.A.
Globular Star Cluster in Canes Venatici; M.3. N.G.C. 5272. R.A., 13h 36m. Decl., + 29 degrees; G.W. Ritchey, Mount Wilson Observatory; 1910, April 9; 60-inch Reflector; Focal length, 299 in.; Exposure, 3 1/2 hours