Celestron Nexstar CN16 GPS Accessory Review

Celestron Nexstar CN16 GPS Accessory Reviewhttp://tinyurl.com/mg8t3tb Celestron Nexstar CN16 GPS Accessory Plugs into telescope and it will align to north without data inputImprove the accuracy of your star alignmentsLocates north and levels optical tube with more precision than can be done by handAutomatically downloads information from one of many global positioning satellites