The History of AAVSO Charts, Part I: The 1880s Through the 1950s

Kerriann H. Malatesta
AAVSO Headquarters, 25 Birch Street, Cambridge, MA 02138

Charles E. Scovil
Stamford Observatory, 39 Scofieldtown Road, Stamford, CT 06903

Received May 26, 2005; revised December 13, 2005; accepted August 21, 2006

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Abstract
This article reviews the early history of AAVSO charts, including the inception and evolution of the charts, and the formation, challenges, and accomplishments of the Chart Committee, from the pre-AAVSO days of the 1880s through the 1950s.