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Tuesday, 15. September 2026
Photos of the Canary Islands

Gregor, Europe’s largest solar telescope, sits above Teide

The 12 million euro facility stands at around 2,400 metres on a side vent of the Teide, where clear air lets its 1.5 metre mirror track the Sun. Our picture gallery shows the site and the technology inside.
Gregor Telescope, Tenerife (exterior)
«Gregor» is Europe's largest solar telescope. It is located on Tenerife.
Gregor Telescope near Tenerife
The «Gregor» project cost around 12 million euros.
Gregor Telescopic Technology
The technology inside the 'Gregor' telescope building.
Gregor Solar Telescope, Tenerife Photo: Kiepenheuer-Institut für Sonnenphysik
The telescope's mirror has a diameter of 1.5 metres.
Tenerife Observatory
The buildings that make up 'Gregor' are situated on a subsidiary volcano of Mount Teide at an altitude of around 2,400 metres.
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