2015 Aug 20 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.13239 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.55263 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.337500 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.131579 [ 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 (+/-) : 0.455626 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 14 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 10.9007 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 30.5979 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.6529840 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.200000 p-Class : s [ c-Class Determination ] Number of spots : 14 Area ratio (spots/group) : 0.276359 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Eso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma