C V - H e l i o s   N e t w o r k
Text Box: Magnetic classifications of sunspots
based on the Zürich/McIntosh-system:
Classification Values (C.V.) 
derived by Malde (15 Aug 1981) is:
"A 'sunspot count' derived using weighting of
Zürich (Modified) McIntosh classifications":
"The 'C.V.' intends to measure the variety of sunspot region classifications with respect to 
their ability of survival, typical life styles, complexity, structure, polarity, size 
and elongation on the solar disk."
Text Box: Worldwide solar observing network
Magnetic Sunspot Classifications 
after Zürich/McIntosh to Numeric System CV
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