2021 Apr 20 0900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.70037 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 9.46424 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 42.2202 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2182038 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0294118 p-Class : s [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.177083 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.426396 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.70370 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 6.02324 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 50.8837 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.64103025 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.214286 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.193103 Number of spots with penumbra : 2 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 : 34.3611 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.4542976 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0657895 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 (+/-) : 2.23077 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.09677 [ 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