2021 Sep 24 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.762565 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.50000 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 6.05832 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 38.8328 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.61446117 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0294118 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.143177 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.283174 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 4.40591 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 26.2025 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.8004185 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.185841 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.538653 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Dac [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 Ratio of magnetic polarity (+/-) : 4.85714 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.87500 [ 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