2021 Apr 20 1400 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.38462 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 56.6865 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.7273939 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.187500 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.283626 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.360202 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.58333 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 6.05425 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 50.4934 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.51603627 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0714286 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.278196 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 100.000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 43.9826 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.4521661 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.159420 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 (+/-) : 1.31884 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.28125 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 47.0720 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2606653 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.130435 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha