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Sun Spot Number

Maintained by: Solar Influences Data Analysis Center (SIDC)

For more information, please visit: http://sidc.oma.be/sunspot-data/

Multimedia Items Available Relating to Sun Spot Number
Sun spot number compared with changes in solar UV irradiance as measured by SUSIM (1991-1997)   833   Sun Spot Number Compared with Solar UV from SUSIM (1991-1997)

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