ARTI , 1999
Images of magnetogramms for Months (*.html)
January 1999.01
February 1999.02
March 1999.03
April 1999.04
May 1999.05
June 1999.06
July 1999.07
August 1999.08
September 1999.09
October 1999.10
November 1999.11
December 1999.12
Musical Kp diagram 1999 (*.pdf)
Musical Kp diagram 1999 (*.pdf)