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.

Kredit:

ESO

O snímku

Id:liqu_nitrogen_fill_dec2004
Typ:Fotografický
Datum zveřejnění:3. prosince 2009 23:21
Velikost:4180 x 2843 px

O objektu

Jméno:Very Large Telescope
Typ:Unspecified : Technology : Observatory : Instrument
Kategorie:Paranal

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