2017 Aug 18 0400 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.20359 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 11 Number of spots with penumbra : 6 Longitudinal extent of this spot group (deg) : 17.9435 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 19.5525 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.3463050 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.183168 p-Class : s [ c-Class Determination ] Number of spots : 11 Area ratio (spots/group) : 0.359884 Number of spots with penumbra : 6 c-Class :o McIntosh Class : Fso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma