1. A photographing method using a photographing apparatus, the photographing method comprising: generating a plurality of still images regarding an object; obtaining state information about a state of the photographing apparatus at time points corresponding to the plurality of still images, respectively; synthesizing the plurality of still images into an image based on the state information; and generating and storing a moving image regarding the object, wherein the moving image includes the plurality of still images, and wherein the synthesized image is configured as an index for the moving image.