Monthly North-South Sunspot Number Graph

Credit: SIDC, RWC Belgium, World Data Center for the Sunspot Number Index, Royal Obervatory of Belgium, 1992-2002 Monthly Rn-Rs SSN

ChartObject Rn-Rs Sunspot Number 1992-2002:
Ralph Frost Jan 29, 2003 - Data: ftp://omaftp.oma.be/dist/astro/sidcdata/
monssnns.dat

Last Updated on 1/30/03
By Ralph E. Frost
Email: ralph@refrost.com