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Image Detection System for Schmidt Plates

Published online by Cambridge University Press:  12 April 2016

Hideo Maehara  and
Tomohiko Yamagata
Hideo Maehara
Affiliation:
Kiso Observatory, Tokyo Astron. Observatory
Tomohiko Yamagata
Affiliation:
Department of Astronomy, University of Tokyo

Extract

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A 14-inch Schmidt plate contains 109 photographic grains and 105 to 106 images of stars and galaxies on it. Such a quantity of data is too large to be handled in a conventional way even for a big computer.

There is, in general, an alternative method to solve this problem; one is to store the data of all pixels on intermediate medium (e.g., magnetic tape), and reduce them into image parameters afterwards. The other method is to do all the processing simultaneously with the measurement. The latter is very useful for the automated detection of celestial images on large Schmidt plates.

Information

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 78: Astronomy with Schmidt-type telescopes , 1984 , pp. 169 - 171
Copyright
Copyright © Reidel 1984

References

Maehara, H. 1981, American Astron. Soc. Photo-Bulletin No. 26. Google Scholar
Maehara, H., and Watanabe, M. 1980, in “Optical and Infrared Telescopes for 1990’s”, (ed. A.Hewitt), p677. Google Scholar
Mizuno, S., Sakka, K., Sasaki, T., and Kogure, T. 1981, Astropnys. Space Sci. 78, 235.Google Scholar
Stobie, R.S. 1980, in ”Applications of Digital Image Processing to Astronomy”, (ed. Elliott, D.A.), p208.Google Scholar
Watanabe, M., Kodaira, K., and Okamura, S. 1982, Astropnys. J. Suppl. 50, 1.CrossRefGoogle Scholar
Yamagata, T., Maehara, H., Okamura, S., and Takase, B. 1983, in preparation.Google Scholar