2021 Apr 19 1300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 2.33813 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.47500 [ Z-Class Determination ] Number of spots : 6 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 55.6883 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.56349013 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.125000 p-Class : a [ c-Class Determination ] Number of spots : 6 Area ratio (spots/group) : 0.128272 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 1.51378 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.35294 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 7.83030 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 42.9576 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.7416774 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.120482 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.358852 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma