ISBN: | 978-5-5127-8864-6 |
High Quality Content by WIKIPEDIA articles! The Gran Telescopio Canarias (meaning "Canaries Great Telescope"), also known as GranTeCan or GTC, is a 10.4 m (410 in) reflecting telescope undertaking commissioning observations at the Roque de los Muchachos Observatory on the island of La Palma, in the Canary Islands of Spain, as of July 2009.