AAVSO: American Association of Variable Star Observers
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Smoothed Mean American Relative Sunspot Numbers: 1945.5-1987.0

Volume 16 number 2 (1987)

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Peter O. Taylor
P. O. Box 8115,

Abstract

Smoothed monthly mean American Relative Numbers are provided. The values encompass the period that began with the program's inception in 1945 and extend through 1986.