2020 Dec 28 0900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.161058 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 16.6583 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.7010602 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.182561 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 (+/-) : 1.00529 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.44186 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 9.31736 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 21.1166 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.9660299 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.115385 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.839763 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dsi [ Magnetic Class Determination ] Magnetic Class : Beta