2021 Sep 28 0300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.209040 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.38889 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 44.9119 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.66795827 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0526316 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.703196 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.35417 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 3.23868 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 55.6334 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.67958683 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0769231 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.258065 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 (+/-) : 0.140845 [ 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