2015 Dec 16 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 4.65000 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.58065 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 51.8208 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.1051723 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0666667 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.263889 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.108527 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 19.2502 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.89198001 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0212766 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 0.179888 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 16.5484 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.8232796 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.179021 p-Class : h [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.692748 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Chi [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 18.4510 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 20.1736 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.5743849 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0845771 p-Class : h [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.591549 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Chi [ Magnetic Class Determination ] Magnetic Class : Alpha