2021 Apr 28 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.15072 More than one magnetic neutral line is found Number of Significant Neutral Lines : 4 [ Z-Class Determination ] Number of spots : 8 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 20.7162 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 43.8407 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.1214268 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0810811 p-Class : s [ c-Class Determination ] Number of spots : 8 Area ratio (spots/group) : 0.134177 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Fso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.121739 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 34.7070 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.0073361 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.183673 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha