2021 Sep 20 1300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.427632 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.32258 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 47.9500 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.38601073 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.00000 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.592593 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.544218 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.26923 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 52.7773 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.37622522 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.200000 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.162791 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.399083 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 : 38.5314 (criterion : 50) N-S diameter of largest penumbra (deg) : 2.7823675 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.155844 p-Class : h [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.709302 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Chi [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma