: I built a 318mm f4 newtonian years ago and have designed : a 200cm newtonian-coude focus. Does anyone out there : have any good information, or know of any good web sites : to find information on coude's. I am also building a : permanent traditional observatory for my 318cm scope, : does anyone have any cautions or warnings about there : in regard to its construction. : Also, send me a line if there are any astronomy types : like myself out there, on line from delta-surrey in : british columbia canada. I am thinking about starting a : North delta astronomical observers club.