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Definitive American Relative Sunspot Numbers for 1989

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Peter O. Taylor

P. O. Box 5685, Athens, GA 30604


Received: 29 January 1990




Final values of American Relative Sunspot Numbers for 1989 are provided. The values are based on observations made by members of the international network of American Sunspot Program collaborators and the AAVSO Solar Division.


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