2018 Aug 18 0800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 2.32143 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.29167 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 41.5569 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.50459581 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.250000 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha