2015 Dec 23 1000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.472590 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.28814 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 17.7045 (criterion : 25) N-S diameter of largest penumbra (deg) : 4.1837688 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.195062 p-Class : h [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hhx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 1.86142 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.36957 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 4.31843 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 52.1390 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.3228886 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.108108 p-Class : a [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.501511 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Dac [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 Ratio of magnetic polarity (+/-) : 0.500526 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 15.6679 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 29.7353 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.2393469 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.109244 p-Class : k [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.589354 Number of spots with penumbra : 4 c-Class :c McIntosh Class : Fkc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma