Turns out it is indeed a hole intended for a motor. It has been a long time out of production, unfortunately, so the chances of finding one looks bleak. I contacted a Norwegian telescope webshop, to query about alternatives, but they just shrugged.
I suppose I need to know the ratio for the worm gear on the RA axis before I get any further. :-( Guess I'll just put the whole issue on the back burner. At least until autumn when the nights go dark enough for stargazing again. Jostein 2012/6/7 AlunFoto <[email protected]>: > For the record I've put up a pic of the details on the mount here: > > http://www.alunfoto.no/temp/EquatorialHole.jpg -- http://www.alunfoto.no/galleri/ http://alunfoto.blogspot.com -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

