ROYAL GREENWICH OBSERVATORY / SCIENCE PHOTO LIBRARY ROYAL GREENWICH OBSERVATORY / SCIENCE PHOTO LIBRARY
The dome of the 4.2 metre (165-inch) William Herschel Telescope at the Roque de los Muchachos Observatory on La Palma, in the Canary Islands. Commissioned in 1987 & operated by the Royal Greenwich Observatory, the instrument is the third largest single mirror telescope in the world. The observatory is located at an altitude of 2400 metres (8000 feet).
Model release not required. Property release not required.