Celestron 93969 SkySync / GPS Accessory (For all Computerized Telescopes) 16-channel GPS module Compatible with all non-GPS Celestron computerized telescopes Plugs into your telescope’s hand control or auxiliary port Links up and automatically downloads information from orbiting global positioning satellites Improve the accuracy of your initial star alignments by plugging in the GPS module into your telescope’s drive base port. The SkySync will link up and automatically download the exact time, date longitude and latitude […]