Complex sentence: The Carlsberg Meridian Telescope (formerly the Carlsberg Automatic Meridian Circle) is located at Roque de los Muchachos Observatory in the Canary Islands and is dedicated to carrying out high-precision optical astrometry.
Split into simpler sentences: The Carlsberg Meridian Telescope (formerly the Carlsberg Automatic Meridian Circle) is located at Roque de los Muchachos Observatory in the Canary Islands. It is a Meridian circle that is dedicated to carrying out high-precision optical astrometry.