2017 Aug 17 2300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.19434 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 9 Number of spots with penumbra : 6 Longitudinal extent of this spot group (deg) : 17.6582 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 25.4566 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.3508118 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.165049 p-Class : a [ c-Class Determination ] Number of spots : 9 Area ratio (spots/group) : 0.375243 Number of spots with penumbra : 6 c-Class :o McIntosh Class : Fao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma