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M1/M2 Distance Measurements

M1/M2 Distance Measurements


Date: 16 May 2008
Satellite: Herschel
Depicts: Flight model spacecraft
Location: Cleanroom at ESTEC, Noordwijk, The Netherlands
Copyright: ESA

The Herschel telescope during the precision M1 to M2 mirror separation measurements, with the spacecraft in horizontal position. The operator can be seen placing laser targets at the rear of the M2 (secondary mirror).
Last Update: 1 September 2019
2-Dec-2021 06:07 UT

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https://sci.esa.int/s/APZYXQW

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