2015 Aug 28 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.679558 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 15.5315 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 45.0471 (criterion : 25) N-S diameter of largest penumbra (deg) : 5.0372927 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.129338 p-Class : k [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.484266 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Fkc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.297619 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.15789 [ 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