2023 Dec 21 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 9 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.259259 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 : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 35.8010 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.1508590 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0256410 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.193676 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 1.37104 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.18182 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 8.73213 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 52.8187 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.2980660 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.110701 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.591221 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Dac [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 Ratio of magnetic polarity (+/-) : 0.988593 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.86667 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 4 Longitudinal extent of this spot group (deg) : 5.69901 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 27.4332 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.2195236 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.157407 p-Class : a [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.351827 Number of spots with penumbra : 4 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 4 Ratio of magnetic polarity (+/-) : 8.55556 [ 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 : 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 (+/-) : 0.801347 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.40816 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 3.52649 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 39.5196 (criterion : 25) N-S diameter of largest penumbra (deg) : 2.2390232 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0269231 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.686183 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 7 Ratio of magnetic polarity (+/-) : 0.786810 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 : 2 Longitudinal extent of this spot group (deg) : 12.5052 Z-Class : E [ p-Class Determination ] Asymmetry factor of penumbral shape : 22.0052 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.1325407 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.199319 p-Class : h [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.546613 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Ehi [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 8 Ratio of magnetic polarity (+/-) : 1.26339 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.70968 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 87.6091 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.0933441 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.00000 p-Class : a [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.251082 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 9 Ratio of magnetic polarity (+/-) : 0.765060 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.21429 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 17.8362 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.0327383 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.201220 p-Class : h [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hhx [ Magnetic Class Determination ] Magnetic Class : Alpha