2021 Apr 20 1500 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.50000 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 6 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 50.2179 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.7321023 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.188406 p-Class : a [ c-Class Determination ] Number of spots : 6 Area ratio (spots/group) : 0.290141 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 (+/-) : 0.412281 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.66667 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 6.03733 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 36.3256 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.38683838 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0769231 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.258993 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dso [ 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 : 44.8397 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.4520054 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.156250 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 (+/-) : 1.47059 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.15625 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 57.8877 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.0997862 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.200000 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Alpha