2021 Apr 18 1500 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.30612 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 7.20234 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 62.7102 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.66821166 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.166667 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.244681 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma