AAVSO: American Association of Variable Star Observers
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QY Cygni Re-Examined

Volume 20 number 1 (1991)

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Cynthia J. Ray
Maria Mitchell Observatory, Nantucket, MA 02554

Abstract

Observations of QY Cygni from 1975 to 1990 show that the period of 3.89188 days is still quite accurate for this Cepheid.