2021 Sep 20 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.569507 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.20000 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 5.84482 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 77.0124 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.77102321 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.133333 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.352564 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.902439 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.16667 [ 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 : 3 Ratio of magnetic polarity (+/-) : 7.50000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 32.2224 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.49821820 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.200000 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 0.271777 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 11.2262 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 48.6418 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.3470378 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.131579 p-Class : k [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.798995 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Eki [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma