Definitions for "Equatorial Mount"
This is a more sophisticated, versatile mount which can be adjusted 360-degrees to facilitate viewing a moving object across the night sky. Alt-azimuth Mount: Can be adjusted both side-to-side (parallel to the horizon) as well as up-and-down.
A type of telescope mount in which one axis of movement (called Right Ascension) is aligned with the earth's polar axis. An equatorially mounted telescope can be moved on just one axis, by hand or by motor, to keep the telescope aimed at the same path of sky as the earth rotates.
Astronomers' term for Polar Mount.