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In principle there are two types of mounts - Equatorial (EQ) and Altitude-azimuth (ALT-AZ). ALT-AZ must be familiar to you already - most of beginners refractors are sold with them. You find something in the sky as you would do with your eyes - looking around and up. EQ is different - in it's movements it follows the stars and planets. But needs some fiddly setup - no big deal if you learn how. The advantage of EQ mount is that it can be motorized easily so you can "stick" it to a star or, say, moon crater and watch it for a while not touching the mount handles at all.
Cheers,
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