The closest galaxies are Andromeda, Aanska and Hagli. The closest one is the Andromeda. Exploreison and other science and exploration ships have been sent there. Still only healers and few minor races have been found. Currently the Exploreison, Valiant and Exploration are the main Explorer ships in the Andromeda, but there's lot's of other ships too. The Omega Quadrant is the quadrant where Exploreison, Valiant and Exploration are currently located. Andromeda has Omega, Tau, Zeta and Mu quadrants. The other galaxies' quadrants don't have names yet, because they haven't been explored. Map Of The Andromeda.