Celestron - CPC 800 GPS XLT - 8" Schmidt-Cassegrain Computerized Telescope with CPC Mount - 11073-XLT | Telescopes
Used Celestron Nexstar GPS 8
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 (
NexStar User's Guide - NexStar 9.25 GPS
Celestron NexStar 8 SE 8" Go-to SCT | Astronomics.com