2021 Apr 13 0700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.36533 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.53191 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 4.88368 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 52.0975 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.62825509 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.142857 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.141994 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta