2015 Aug 21 2300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.09559 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.40000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 45.7765 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.49292200 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.111111 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.476190 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.516815 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 14.8000 [ Z-Class Determination ] Number of spots : 9 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 13.4516 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 56.9443 (criterion : 25) N-S diameter of largest penumbra (deg) : 4.5247057 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.134615 p-Class : k [ c-Class Determination ] Number of spots : 9 Area ratio (spots/group) : 0.451125 Number of spots with penumbra : 4 c-Class :c McIntosh Class : Ekc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma