The Local Group of Galaxies, dominated by the Andromeda (Messier 31) subgroup, and the Milky Way Subgroup.
The base grid parallels the supergalactic plane, and lies 1.14 million light years (Mly) below the actual supergalactic plane. The actual supergalactic plane is visible as the second grid above the base grid. Data is from: "The Observed Properties Of Dwarf Galaxies In And Around The Local Group," Alan W. McConnachie, The Astronomical Journal, 144:4, pp 1-36, July 2012.
Click here for a table of the data used to generate this view.