2021 Sep 28 0100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.337423 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.41176 [ 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 : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.683060 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 1.41667 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 3.12658 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 51.2828 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.67882175 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0666667 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.275229 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 100.000 [ 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