Ciao,
per i software open source c'e' ad esempio un modulo per guida telescopi per Stellarium
http://stellarium.org/it/
Per i driver standard vi e' l'ASCOM
http://ascom-standards.org/Downloads/ScopeDrivers.htm
Per la parte meccanica idee e soluzioni (alcuni link sono per la messa a fuoco) trovi, ad esempio
Equatorial Mount Modification Enabling Automatic Setup and Motorized Star Tracking
http://digitalcommons.calpoly.edu/cgi/viewcontent.cgi?article=1035&context=eesp&sei-redir=1&referer=http%3A%2F%2Fwww.google.it%2Furl%3Fsa%3Dt%26rct%3Dj%26q%3Darduino%2Btelescope%2Btrack%2Bsystem%26source%3Dweb%26cd%3D14%26ved%3D0CEwQFjADOAo%26url%3Dhttp%253A%252F%252Fdigitalcommons.calpoly.edu%252Fcgi%252Fviewcontent.cgi%253Farticle%253D1035%2526context%253Deesp%26ei%3D-dd1T7f4INPP4QT5mfGHDw%26usg%3DAFQjCNEP3AuB20RqgsdA_Aw6GjZiUaRXkw%26cad%3Drja#search="arduino%20telescope%20track%20system"
http://eecs.richardnelson.com/cpe.html -> automated telescope
Arduino Focus
Ciao,
Marco.