2015 Sep 20 2000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.33030 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 27.8794 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.0877252 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.177570 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.471154 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Cai [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 5.82143 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 16.4340 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.5138641 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.179625 p-Class : h [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hhx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 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 : 4 Ratio of magnetic polarity (+/-) : 1.59783 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.29787 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 61.4806 (criterion : 50) N-S diameter of largest penumbra (deg) : 3.4969561 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0204082 p-Class : k [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hkx [ Magnetic Class Determination ] Magnetic Class : Alpha