The Jim Loudon Observatory is located in the foothills of the Rincon Mountains on the east edge of Tucson. Instrumentation includes a Celestron 14 (on loan), Celestron 11, Celestron 5, an RV-6 Dynascope and other smaller instruments. Augmenting these are several filar micrometers, video and web cameras, a spectrograph and several interferometers. This equipment is used to: make regular lunar, planetary and solar morphological observations as well as used to measure high proper motion and binary stars.