2021 Apr 15 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.31186 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.56757 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 100.711 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.25547431 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.00000 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.0867580 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 (+/-) : 0.157407 [ 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