2021 Sep 21 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 5 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.563910 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.66667 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 62.7972 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.30850529 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.00000 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.370370 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 (+/-) : 0.745509 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.57143 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 8.16711 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 35.9528 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.0254577 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.245283 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.697183 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dsi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.494382 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.76923 [ 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 Group Index : 4 Ratio of magnetic polarity (+/-) : 0.701493 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 1.60417 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 4.12553 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 40.7558 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.87088572 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0333333 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.348837 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 5 Ratio of magnetic polarity (+/-) : 0.229412 More than one magnetic neutral line is found Number of Significant Neutral Lines : 3 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 8.52053 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 33.5879 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.3071966 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.125828 p-Class : k [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.675000 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dki [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma