Liquid nitrogen cooling

The CCD detectors in the FORS instrument are kept very cold using liquid Nitrogen, in order to minimize the adverse effect of the heat during very long exposures. Without this cooling, it would not be possible to take images lasting more than a second.

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ESO

Om billedet

Id:liqu_nitrogen_fill_dec2004
Type:Foto
Udgivelsesdato:3. december 2009 23:21
Størrelse:4180 x 2843 px

Om objektet

Navn:Very Large Telescope
Type:Unspecified : Technology : Observatory : Instrument
Kategori:Paranal

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