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Celestron SkySync GPS Module for all Celestron non-GPS computerized scopes
$179.95This Celestron SkySync GPS module is all you need to add GPS accuracy to the sky alignment of any Celestron non-GPS computerized go-to telescope . . . -
Losmandy GPS Receiver for Losmandy 2011 and later Gemini 2 go-to computer only
$149.95This Losmandy/Garmin GPS receiver uses high-accuracy GPS signals to help align your 2011 and later Losmandy Gemini 2 go-to computer on the sky . . .