Difference between revisions of "Relative Sunspot Number"
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Relative Sunspot Number
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A measure of sunspot activity, computed from the formula R = k
(10 g + f) where R is the relative sunspot number; f is
the number of individual spots; g is the number of groups of spots;
and k a factor that varies with the observer (his personal equation),
the seeing, and the observatory (location and instrumentation). Also called
sunspot number, sunspot relative number, Wolf number, Wolf-Wolfer number,
Zurich number.
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References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
