2015 Sep 01 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.395210 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.18182 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 0 Z-Class : A [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Axx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 1.13158 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.57692 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 0.818012 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 56.6032 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.61042674 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0666667 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 1.33333 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Beta