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Observing opportunity with the William Herschel Telescope/Prime focus imaging - Red de Infraestructuras de Astronomía
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Astronomy: a 40-foot telescope constructed by William Herschel, in use outdoors. Coloured etching, 18--. | Wellcome Collection
![The Robodimm telescope outside of the William Herschel telescope on the island of La Palma in the Canary Islands Stock Photo - Alamy The Robodimm telescope outside of the William Herschel telescope on the island of La Palma in the Canary Islands Stock Photo - Alamy](https://c8.alamy.com/comp/AGDWCC/the-robodimm-telescope-outside-of-the-william-herschel-telescope-on-AGDWCC.jpg)
The Robodimm telescope outside of the William Herschel telescope on the island of La Palma in the Canary Islands Stock Photo - Alamy
![Herschel's 40 foot telescope, 19th Century illustration - Stock Image - C048/2017 - Science Photo Library Herschel's 40 foot telescope, 19th Century illustration - Stock Image - C048/2017 - Science Photo Library](https://media.sciencephoto.com/c0/48/20/17/c0482017-400px-wm.jpg)