Lives in USA, OR, United States
Works as a Retired
Joined on Jan 17, 2012
Hobbies: Amateur astronomer since 1962, astrophotography, gardening, kayaking
Published on Sep 5, 2012 | Photo Techniques|
Astrophotography may involve exposures of several minutes or more. Since the sky appears to move due to Earth's rotation, such exposures often require some way to track the sky's movement during that exposure. This article describes building and using a relatively inexpensive tracking mount.