2015 Dec 21 0000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.238472 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.00000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 17.8699 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.7074255 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.194444 p-Class : h [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.852905 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Chi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 31.6306 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.75433413 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0512821 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.535354 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Alpha