Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Aug 14, 2008
Clean telescope lenses and mirrors only every few years and never use a T-shirt or finger to wipe viewing surfaces. Maintain a telescope in working order with an observatory director in this free astronomy video.
Expert: Rocky Alvey & Billy Teets Bio: Rocky Alvey is the assistant director of the Vanderbilt Dyer Observatory and has been involved in astronomy since 1969. Filmmaker: Dimitri LaBarge