2021 Sep 03 0800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 2.05054 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.69388 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 20.2698 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.7458851 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.113208 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.440476 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta