2015 Aug 20 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.0484848 [ 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 (+/-) : 0.00000 [ 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 (+/-) : 0.475868 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 15 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 10.5895 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 35.3923 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.6559490 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.230769 p-Class : s [ c-Class Determination ] Number of spots : 15 Area ratio (spots/group) : 0.265625 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Eso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma