Gliese 623 is a dim double star 25.6 light years from Earth in the constellation Hercules. It was photographed by the NASA/ESA Hubble Space Telescope's Faint Object Camera in 1994. The binary system consists of two red dwarfs orbiting each other at a distance of 1.9 astronomical units. See also List of star systems within 25–30 light-years References Further reading External links Nasa page Binary stars Hercules (constellation) M-type main-sequence stars 0623 080346