AAVSO: American Association of Variable Star Observers

DH Dra: An Interesting Red Variable

Volume 20 number 2 (1991)

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Dietmar Boehme
Nr.11, PSF 93, D-04851 Nessa, Germany

Abstract

The variable star DH Dra was observed on plates of the Sonneberg Sky Survey. It has a complex light curve and shows periods of approximately 225-240 and 550 days.