2021 Apr 20 0100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 2.14679 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.90244 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.0866667 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 1.45324 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.92754 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 8.12415 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 28.6965 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.7270207 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.116279 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.487889 Number of spots with penumbra : 4 c-Class :c McIntosh Class : Dsc [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.918605 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.33333 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 0 Z-Class : A [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Axx [ Magnetic Class Determination ] Magnetic Class : Alpha