2015 Dec 28 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.00000 [ 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 (+/-) : 0.784940 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 8 Number of spots with penumbra : 5 Longitudinal extent of this spot group (deg) : 15.3115 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 14.1513 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.3940562 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.214744 p-Class : s [ c-Class Determination ] Number of spots : 8 Area ratio (spots/group) : 0.363361 Number of spots with penumbra : 5 c-Class :o McIntosh Class : Fso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma