2021 Apr 19 2200 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 2.19900 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.78378 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 3 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 45.7300 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.42057548 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0769231 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.0979592 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 1.43035 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 1.75641 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 8.11964 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 33.5956 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.8628546 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.168831 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.528226 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Dsc [ Magnetic Class Determination ] Magnetic Class : Beta