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Equatorial MountTo put it simply, an equatorial mount allows you to follow objects as the earth rotates, which causes those objects to seem to move through the sky. The equatorial mount is set at your latitude (lmine is 33° North), and then is polar-aligned (to either the North Celestial Pole in the Northern Hemisphere or the South Celestial Pole in the Southern Hemisphere). After that, you just need to move the telescope, usually via it's slow-motion control cables or dials, in either Right Ascension (east to west movement of the stars, or celestial latitude) or Declination (north-south movement of the stars, or celestial longitude) to follow a planet or deep-sky object as it slowly moves through the field of view as seen through your eyepiece. This type equatorial mount is a bit more bulky than an altazimuth design, but it is desirable in that you can usually attach an optional motor to the equatorial mount, which counteracts the earth's rotation automatically. An equatorial mount also comes standard with a tripod attached. | |||||
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