2017 Aug 19 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.859589 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 15 Number of spots with penumbra : 7 Longitudinal extent of this spot group (deg) : 19.6216 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 17.3656 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.5785147 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.168385 p-Class : h [ c-Class Determination ] Number of spots : 15 Area ratio (spots/group) : 0.411255 Number of spots with penumbra : 7 c-Class :c McIntosh Class : Fhc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma