Celestron CPC-800 (XLT) Telescope - Celestron's Professional Computerized (CPC) telescope features a 16-channel GPS system and SkyAlign Technology: you simply line the telescope up with three different stars and the telescope does the rest. -- The computer system provides access to a database of over 40,000 objects in the sky. -- The Starbright? XLT High Performance Optical System provides bright, clear views. -- The convenient remote hand control holder allows you to view information hands-free while using the scope.