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Glenn Chaple's observing basics: Go-to a-go-go

April 2007: Go-to telescopes can help beginners navigate the night sky.
Decisions, decisions! You're about to purchase a telescope. Will it be a refractor or reflector? Should you place the instrument on an equatorial or alt-azimuth mount? How about the finder — an LED-powered reflex sight or a more traditional optical finder scope? No doubt about it, when it comes to scopes, you have a lot of options.

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