| Magnetic Sunspot Classifications to Numeric System |
| Magnetic
classifications of sunspots based on the
Zürich/McIntosh-system: Classification Values (C.V.)
derived by Malde (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." |
| Revised: 05 Nov 2009 |