<p>Enjoy amazing GoTo functionality and ease of use when you pair your Smartphone with a Celestron StarSense Explorer Dobsonian! A classic Dobsonian, available in either 8" or 10" models, gathers a lot of light for bright views of celestial objects inside and outside our Solar System. Download the free StarSense Explorer app on your smartphone, available in the App Store or on Google Play, and follow the arrows displayed on your screen to find and center planets, galaxies, star clusters and more! Astronomy couldn't be easier or more fun with the StarSense Explorer Dob!