Omicron Canis Majoris

The Bayer designation Omicron Canis Majoris (ο CMa / ο Canis Majoris) is shared by two stars, in the constellation Canis Major: They are separated by 2.06° on the sky.
 * ο1 Canis Majoris
 * ο2 Canis Majoris

ο1 Canis Majoris was member of asterism 軍市 (Jūn Shì), Market for Soldiers, Well mansion. ο2 Canis Majoris was not any member of asterism.