2021 Aug 22 1000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.847737 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.91429 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 51.2168 (criterion : 50) N-S diameter of largest penumbra (deg) : 2.5265934 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0895522 p-Class : k [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.803738 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Cki [ Magnetic Class Determination ] Magnetic Class : Beta