2015 Sep 03 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.508333 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.26923 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 0.711823 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 51.9884 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.48762651 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.200000 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 1.09091 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 1.71930 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.83333 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 67.4466 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.27459734 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.166667 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.212766 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma