2021 Sep 20 2300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.800000 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.53659 [ Z-Class Determination ] Number of spots : 6 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 6.13308 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 50.0931 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.77065984 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.100000 p-Class : a [ c-Class Determination ] Number of spots : 6 Area ratio (spots/group) : 0.323144 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.895522 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.13514 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.0917431 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 9.57143 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 34.8797 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.49776939 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.250000 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 0.265886 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 41.1095 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.3042942 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.133333 p-Class : k [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.785366 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Cki [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma