2021 Sep 12 2000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.06221 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 2.07273 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 42.5267 (criterion : 50) N-S diameter of largest penumbra (deg) : 2.2326786 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.117647 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.209957 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.796935 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 58.7399 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.1739621 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0961538 p-Class : a [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.322418 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma