2017 Aug 12 1100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 2.00971 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.38462 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 27.2898 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.3677966 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.155340 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Alpha