2021 Apr 19 0500 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 96.3870 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.27508891 (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) : 0.0915033 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 0.00000 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 7.38172 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 40.8051 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.95086903 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.300000 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.231511 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Alpha