2021 Sep 03 1000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.69481 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.78723 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 5.12096 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 18.0304 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.8760843 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.128049 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.596774 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dsi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.00000 [ 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