2016 Jan 30 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.83819 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.40000 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 16.4791 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.0998919 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.161228 p-Class : h [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.871499 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Chi [ Magnetic Class Determination ] Magnetic Class : Beta