2021 Sep 28 1100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.230769 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.22222 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 0 Z-Class : A [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Axx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 0.812734 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.41818 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 53.6927 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.53552845 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.230769 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.261538 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.588235 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.91667 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 0 Z-Class : A [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Axx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 0.423077 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.28000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 69.1932 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.85254139 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.285714 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Alpha