== External links ==* 25D at Kronk's Cometography* 25D at Kazuo Kinoshita's Comets* 25D at Seiichi Yoshida's Comet Catalog
* 25D at Kronk’s Cometography* 25D at Kazuo Kinoshita’s Comets* 25D at Seiichi Yoshida’s Comet Catalog