2021 Sep 12 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.961276 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 2.58333 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 4.95055 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 44.2148 (criterion : 50) N-S diameter of largest penumbra (deg) : 2.2034463 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.109589 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.311765 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.795918 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 50.9723 (criterion : 50) N-S diameter of largest penumbra (deg) : 2.1662153 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0721649 p-Class : a [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.307888 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma