2021 Sep 28 2000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.215190 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 3.81818 [ 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 : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.797015 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.53846 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 53.2440 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.67312786 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0967742 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.118896 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.531915 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 1.56522 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 56.2071 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.36854269 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.250000 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 Ratio of magnetic polarity (+/-) : 0.205607 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 1.88571 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 83.7340 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.95777528 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.181818 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.253886 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta