1. A display control apparatus for superimposing an object on a moving image composed of a plurality of frames and outputting the moving image with the object superimposed to a monitor, comprising: an acquiring unit configured to acquire a plurality of candidate regions as candidates for superimposing the object on each of the plurality of frames constituting the moving image; an analyzing unit configured to, in each of the plurality of candidate regions acquired by the acquiring unit, analyze each of the plurality of frames and acquire a parameter showing an importance of each of the plurality of frames in each of the plurality of candidate regions; a determining unit configured to determine a superimposing region for superimposing the object based on the parameters; and a superimposing unit configured to superimpose the object on the superimposing region determined by the determining unit.