2025 Jul 21 1000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 10 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.245856 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 67.5442 (criterion : 50) N-S diameter of largest penumbra (deg) : 4.3359636 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0444444 p-Class : k [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hkx [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 1.94203 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.12821 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 35.2252 (criterion : 50) N-S diameter of largest penumbra (deg) : 4.2273838 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0307692 p-Class : h [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hhx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 0.00000 [ 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 : 4 Ratio of magnetic polarity (+/-) : 0.853047 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.13725 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 39.0517 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.9630753 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0769231 p-Class : k [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hkx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 5 Ratio of magnetic polarity (+/-) : 0.00000 [ 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 : 6 Ratio of magnetic polarity (+/-) : 3.92233 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 : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 40.0330 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.7177107 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.145631 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.756579 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Cai [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 7 Ratio of magnetic polarity (+/-) : 0.00000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 36.9154 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.49548804 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.214286 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 8 Ratio of magnetic polarity (+/-) : 1.46388 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 2.90909 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 24.2478 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.6448685 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.155556 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.544944 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 9 Ratio of magnetic polarity (+/-) : 0.587983 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 10.4226 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 16.9988 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.9648873 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.186131 p-Class : h [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.582902 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Ehc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 10 Ratio of magnetic polarity (+/-) : 0.00000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 64.1461 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.39533897 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.00000 p-Class : a [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hax [ Magnetic Class Determination ] Magnetic Class : Alpha