2015 Dec 17 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 10.8800 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 33.2222 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.49379626 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.115385 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 (+/-) : 0.324324 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.29167 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 36.1572 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.76033892 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0250000 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 (+/-) : 0.0909091 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 16.4795 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.9198731 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.186630 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 (+/-) : 167.600 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 3.13137 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 27.0526 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.8928381 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.113861 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.713864 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Alpha