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The 50/70-Cm Schmidt Telescope At The Bulgarian National Asthonomical Observatory

Published online by Cambridge University Press:  12 April 2016

Milcho K. Tsvetkov*
Affiliation:
Department of Astronomy and National Astronomical Observatory, 72 Lenin Blvd., Sofia 1184, Bulgaria

Extract

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The 50/70 Schmidt telescope at the National Astronomical Observatory (NAO), Bulgarian Academy of Sciences, is an example of the possibilities for a long-term operation and everlasting actuality of these types of telescopes. Originally, this telescope was constructed in the GDR in 1952 and mounted in the Potsdam Observatory, Academy of Sciences of the GDR (as such, it is on the list of West, 1974). In 1979, on the basis of a mutual agreement between the Bulgarian Academy of Sciences and the Academy of Sciences of the GDR, it was transferred to Rozhen, Bulgaria. The principal parameters of the instrument are as follows: I. Main mirror: diameter: 70cm; material: Tempax; thickness in the centre: 10 cm; radius of curvature: 344 cm.

Type
Research Article
Copyright
Copyright © Reidel 1984

References

Baum, W.A.: 1968, Astronomical Techniques, Ed. by Hiltner, W.A., 8.Google Scholar
Golev, V.K., Tsvetkov, M. K. and Vitrichenko, V.A.: 1982, Comptes rendus de ’l Academie bulgare des Selene, 35, 729.Google Scholar
Tsvetkov, M.K.: 1982, Communications from the Konkoly Observatory, No.83, 206.Google Scholar
West, R.M.: 1974, Proc. Hesearch Programme of the New large Telescopes, Geneva, 321.Google Scholar