Thanks for the comments folks. I am glad all the effort was worth it and others appreciate it. This image is one result of five years of trial and error. The only way to get better at this is practice and constant self criticism! Other peoples opinions and knowledge really also help.
Here is a map showing all the main objects. 7MB.
http://d1355990.i49.quadrahosting.co...1_06/mapCM.jpg
It was made with Star Atlas Pro and the image superimposed with RegiStar.
Note how everything is nice and rectilinear.