2021 Apr 19 0300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.0551724 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 0.00000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 4.72583 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 42.7922 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.77879755 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.214286 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.162630 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 0.00000 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 54.0612 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.0888870 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.225806 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.406250 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Cai [ Magnetic Class Determination ] Magnetic Class : Alpha