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Derotator for 4m ground telescope – DAG2018-06-15T09:58:36+02:00

Project Description

COMPANY :
DAG
SPECIFICATIONS :

– The derotator has a field range of 10”
– Flexure mechanisms based
– Deep FEM analysis performed
– Choice of materials
– Assembly and tests

Most telescopes used for astrophotography are equatorially mounted. However, the more popular computer controlled telescopes are alt-az mounted and are usually deemed unsuitable for astrophotography. The reason is that alt-az mounted telescopes have one more degree of freedom that is not corrected because it does not affect visual observations of celestial objects. Unfortunately, by leaving it uncorrected, alt-az telescopes cannot be used for long exposure astrophotography. In order to overcome this flaw in alt-az mounted telescopes, we have participate in the design and assembly of a derotator for the Turkish national 4-m ground telescope based in Erzurum.
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