Mobile Suit Gundam SEED C.E. 73: Stargazer (機動戦士ガンダム・シード C.E.73 スターゲイサー, Kidō Senshi Gundam SEED C.E. 73: Stargazer?) is a side story to the anime TV series, Gundam SEED Destiny. As of July 2006, it is being streamed on Bandai Channel as an original net animation. The show is directed by Susumu Nishizawa and written by Shigeru Morita, both staff members of Gundam SEED Destiny.

The series consists of three episodes, each running at 15-minutes long. The web broadcast began in July 2006, with a new episode showing monthly. A DVD containing all three episodes as well as the two 5-minute long Gundam SEED Astray animated shorts was released on November 24, 2006. This DVD also contained a different ending for Stage 3 in which several scenes after the Phantom Pain attack are shown.

Source: Wikipedia