It is the map from nav-computer.com - but sadly the site hasn't been running in a while. Cartographer was the guy who maintained and updated it, I don't know if he still doing that I have mirrored it over at http://www.swcic.net Those boxes are indeed more detailed, inlet images. I have them somewhere. Really, this is some of the best work to show positions of systems, within the references given throughout the Expanded Universe. Some contradictions were explained on the nav-computer site.