2025 Apr 04 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 10 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.953229 More than one magnetic neutral line is found Number of Significant Neutral Lines : 2 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 8.93113 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 55.3013 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.6702918 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.111888 p-Class : k [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.586118 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Dkc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.335484 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.43243 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.360000 Number of spots with penumbra : 0 c-Class :o McIntosh Class : Bxo [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.262626 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.31250 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 65.3515 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.89008770 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0625000 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.237374 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 4 Ratio of magnetic polarity (+/-) : 0.0803571 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.866667 Number of spots with penumbra : 0 c-Class :i McIntosh Class : Bxi [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 5 Ratio of magnetic polarity (+/-) : 1.10559 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.53846 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 47.0436 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.59607541 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0666667 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.281250 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 6 Ratio of magnetic polarity (+/-) : 14.3143 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 12.9482 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.9716047 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.195181 p-Class : h [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hhx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 7 Ratio of magnetic polarity (+/-) : 0.0425532 [ 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 : 8 Ratio of magnetic polarity (+/-) : 1.06131 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 : 3 Longitudinal extent of this spot group (deg) : 9.52390 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 63.8098 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.0133374 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0841122 p-Class : a [ c-Class Determination ] Number of spots : 6 Area ratio (spots/group) : 0.272622 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 9 Ratio of magnetic polarity (+/-) : 1.09258 More than one magnetic neutral line is found Number of Significant Neutral Lines : 4 [ Z-Class Determination ] Number of spots : 8 Number of spots with penumbra : 5 Longitudinal extent of this spot group (deg) : 17.7488 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 53.7999 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.8095760 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.127530 p-Class : k [ c-Class Determination ] Number of spots : 8 Area ratio (spots/group) : 0.338752 Number of spots with penumbra : 5 c-Class :o McIntosh Class : Fko [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 10 Ratio of magnetic polarity (+/-) : 0.0100000 [ 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