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The Photometric (UBV) Study of the Planetary Nebulae Variability in 1968–1987

Published online by Cambridge University Press:  19 July 2016

E.B. Kostyakova*
Affiliation:
Sternberg State Astronomical Institute, Moscow, USSR

Abstract

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The photoelectric UBV-observations of planetary nebulae variability, begun in 1968 at Crimean Station of Sternberg State Astronomical Institute (USSR) and Skalnate Pleso Observatory (Czechoslovakia), were carried out during 20 years, 1987 inclusive.

Type
I. Observational Data on Nebulae
Copyright
Copyright © Kluwer 1989