2015 Dec 18 1400 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 12.4444 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 31.5186 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.37297203 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.250000 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 0.597826 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.34783 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.600000 Number of spots with penumbra : 0 c-Class :i McIntosh Class : Bxi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.0822368 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 15.2717 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.9191957 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.190608 p-Class : h [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hhx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 38.4046 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.7572457 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.131429 p-Class : a [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.694158 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Cai [ Magnetic Class Determination ] Magnetic Class : Alpha