A Quadrant Photosil Autoguider For The 17/24 Inch Schmidt Telescope At The Institute Of Astronomy, Cambridge

J. V. Jelley; A. N. Argue

doi:10.1117/12.953930

1 September 1974 A Quadrant Photosil Autoguider For The 17/24 Inch Schmidt Telescope At The Institute Of Astronomy, Cambridge

J. V. Jelley, A. N. Argue

Author Affiliations +

Proceedings Volume 0044, Instrumentation in Astronomy II; (1974) https://doi.org/10.1117/12.953930
Event: Instrumentation in Astronomy, 1974, Tucson, United States

Abstract

The autoguiding of ground-based telescopes has developed relatively slowly over the last thirty years or so, in spite of the existence of exceedingly sensitive photoelectric detectors. Of those based on the mechanical chopping or dissection of the light in a stellar image, there are essentially three types. The first (Ref. 1) entails division of the light at the roof of a right-angled prism or the apex of a pyramid, the second, a rotating knife-edge (Ref. 2), and the third, an elegant development of the latter (Ref. 3), uses a ball bearing rotating inside an annulus.

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J. V. Jelley and A. N. Argue "A Quadrant Photosil Autoguider For The 17/24 Inch Schmidt Telescope At The Institute Of Astronomy, Cambridge", Proc. SPIE 0044, Instrumentation in Astronomy II, (1 September 1974); https://doi.org/10.1117/12.953930

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