Amazon.com : Celestron - SkySync Telescope GPS Accessory – Automatically Updates your Telescope with 16-channel GPS Data, Time, and Date - Save Time & Improve the Accuracy of your Telescope Alignment, Black (
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Celestron NexStar 11 GPS Telescopes | Free Shipping over $49!
SkySync GPS Accessory | Celestron
Celestron 8" Nexstar GPS SCT rare carbon fiber including heavy duty tripod | #251593717