The Ginga: Nagareboshi Gin Anime has 21 Episodes and is a television series adaptation based on the manga with the same name. It only includes the Introduction Arc and Akakabuto Arc in it's story while the manga has one more sequel arc.
It's premiere was on 07.04.1986 and is produced by TV Asahi.
List of episodes
See pics in Ginga: Nagareboshi Gin (Anime)/Gallery