2015 Aug 13 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.250000 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 (+/-) : 0.528796 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.09677 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 3.52439 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 35.3868 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.99791735 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.105263 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.317992 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 Ratio of magnetic polarity (+/-) : 1.92771 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.20833 [ 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