AAVSO Observations of Long Period Variable Stars 1900-1975: Maximum and Minimum Magnitudes and O-C Diagrams

Volume 15 number 2 (1986)

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Petrusia Kowalsky

John R. Percy

Department of Astronomy,

Janet A. Mattei

Elizabeth O. Waagen

AAVSO, 25 Birch Street,

Abstract

The data for 391 long period variable stars, collected by members of the AAVSO, are now available in the form of O-C diagrams and plots of maximum and minimum magnitudes. Examples are shown and preliminary results are discussed.