A photographing device attachable to a moving body includes: a first control section configured to predict and obtain a change in physical quantity based on an alteration in a photographing state; and a communication control section configured to transmit information related to the change in the physical quantity. The photographing device improves stability in the moving body and stability of photographing. Information related to influence on the moving body based on a change in an outer shape and a change in a position of the center of gravity of the photographing device mounted on the moving body is shared by the moving body to improve the stability in the moving body and the stability of photographing.