2015 Aug 13 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.436170 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.21739 [ 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 (+/-) : 0.569892 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.89655 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 3.52313 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 37.6524 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.87291552 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.130435 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.377907 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 1.61000 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.29167 [ 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