2021 Sep 26 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 36.2000 [ 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 : 2 Ratio of magnetic polarity (+/-) : 0.354086 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 : 2 Longitudinal extent of this spot group (deg) : 1.40352 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 41.0592 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2351267 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.120690 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.395349 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 Ratio of magnetic polarity (+/-) : 2.84211 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.44444 [ 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 (+/-) : 2.45918 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.31034 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 47.7650 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.75242213 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0666667 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.180952 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta