1. An image taking apparatus for forming a subject on an imaging device and thereby generating an image representing the subject, the image taking apparatus comprising: a flash that emits light, amount of which can be changed, to the subject at the time of shooting; a blurring correction section that superimposes a plurality of continuous images taken by one shooting operation and thereby generates one superimposed image in which blurring has been corrected; an image recording section that records the superimposed image generated by the blurring correction section; and a flash control section that causes the flash to emit light in sync with taking one image of the plurality of continuous images that are to be taken by one shooting operation, the light having such a light amount that results in underexposure of the taken one image.