NASA NTRS · 19670000110
Star/horizon simulator used to test space guidance system
Abstract
Star/horizon simulator is used for alignment and optical plus photoelectric tests of the sextant for the Apollo guidance and navigation system optical unit assembly. The unit is basically a refractive collimator with a two inch objective lens system and a twenty-four inch focal length.
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Schmidt, W. C.. 1967-05-01. Star/horizon simulator used to test space guidance system. https://ntrs.nasa.gov/citations/19670000110
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