2015 Aug 21 0300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.0771429 [ 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 (+/-) : 0.375000 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.28571 [ 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 : 3 Ratio of magnetic polarity (+/-) : 0.476923 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 20 Number of spots with penumbra : 6 Longitudinal extent of this spot group (deg) : 11.7154 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 38.7695 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.0418420 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.128049 p-Class : a [ c-Class Determination ] Number of spots : 20 Area ratio (spots/group) : 0.338852 Number of spots with penumbra : 6 c-Class :o McIntosh Class : Eao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma