2021 Apr 22 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.198276 [ 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) : 0.228426 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 (+/-) : 26.8000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 27.6568 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.3181843 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0434783 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 0.464516 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.31250 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 24.0971 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2717822 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.139241 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha