John Herschel discovered NGC 3447 = h3300 on 18 Mar 1836 and recorded "eF; vL; vgvlbM; 3' or 4' diam. Has a bright coarse double star (9m) sp." This galaxy is the most northerly discovery JH made from the Cape of Good Hope (four galaxies in Leo were discovered on that date) His position and description matches UGC 6006.
400/500mm - 17.5" (4/18/87): very faint, moderately large, very diffuse. Three bright stars form an isosceles triangle to the SW; the closest is mag 9.2 SAO 9934 3.1' SW (very wide unequal double with a mag 13 star). Forms a double system with NGC 3447B = MCG +03-28-028 1.7' NE (not observed).
Notes by Steve Gottlieb