Hi ..To help out finding stuff do .. you could try one of these
http://www.backyard-astro.com/equipm...ad/telrad.html
My 12" primary also rarely dews up in our climate but condensation like mentioned above does form when brought back inside .. I find asside doing what you can to help it run off ..
"don't look down there until tommorow"" ..is a good policy .
enjoy your stay