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A Cloud Detector for Automated Telescopes

Published online by Cambridge University Press:  25 April 2016

M. C. B. Ashley  and
J. S. Jurcevic
M. C. B. Ashley
Affiliation:
School of Physics, University of New South Wales, Kensington NSW 2033
J. S. Jurcevic
Affiliation:
School of Physics, University of New South Wales, Kensington NSW 2033
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Abstract

An instrument is described that can detect clouds at night-time by sensing their infrared emission. The device can readily detect clouds that are difficult to see with the unaided eye on a moon-lit night. It can be used to provide an indication of how photometric the conditions are, to terminate exposures when cloud forms, and to close the dome when conditions become unsuitable for observing. The detector also has applications as an astronomical site-surveying instrument.

Type
Instruments & Facilities
Information
Publications of the Astronomical Society of Australia , Volume 9 , Issue 2 , 1991 , pp. 334 - 335
Copyright
Copyright © Astronomical Society of Australia 1991

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References

Sloan, R., Shaw, J. H., and Williams, D., 1955, J. Opt. Soc. Amer., 45, l455.CrossRefGoogle Scholar