Comparing the March 1989
Sunspot Group With Other Great Groups of the Past
Peter O. Taylor
P. O. Box 8115,
Gainesville, FL 32605
Received: 23 June 1989
A large sunspot group
transited the Sun's disk during March 1989. The cluster is compared
according to size,
appearance and intensity of related geomagnetic storm conditions with other
groups which have exhibited
maximum areas greater than 3000 millionths solar hemisphere.
Link to ADS abstract, article and citation information
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