2021 Sep 04 0500 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.40741 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.15873 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 24.4367 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.8607857 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.149351 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.360341 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.400685 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.27500 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 3.91835 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 61.3143 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2788865 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.309091 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.274924 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.168000 [ 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 (+/-) : 2.97561 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.16667 [ 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