Equatorial Mount
From SkyInsight
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An equatorial mount is a mount used for moving a telescope or camera along two perpendicular axes of motion. These two axes are known as right ascension and declination. The telescope mount's axis of right ascension should be pointed directly towards whichever celestial pole is above the horizon to work correctly. Setting the axis of the mount to the polar axis completes alignment. This polar alignment is dependent on the location of the observer and corresponds with the latitude of the observer's location.
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German Equatorial mount
A German Equatorial mount uses a counterweight on a long shaft opposite the telescope to counterbalance the weight of the telescope. The telescope is able to track the sky about a polar axis to compensate for Earth's rotation.
