Gamma Eridon was a Klingon star in the Beta Quadrant. This star was located close to the Klingon-Romulan border. In 2256, this star's location was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the USS Discovery. It was depicted as a Klingon star. (DIS: "Magic to Make the Sanest Man Go Mad") In 2371, the location of Gamma Eridon was labeled in the star chart Data and Picard were studying in stellar cartography aboard the USS Enterprise-D. (Star Trek Generations, display graphic)