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Last updated on April 24, 2014 at 17:35 EDT
Herschels Telescope
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Herschel's Telescope

March 5, 2009
The Herschel telescope is a classic Cassegrain design with a 3.5-metre primary mirror and the secondary mirror. The manufacture, alignment and optical characterisation down to operational temperatures (70 K or -203 ºC) was completed in September 2006.

The telescope is now stored in the Astrium facilities in Toulouse waiting for integration to the Herschel satellite.