2023 Dec 18 2000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 11 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.41905 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.63043 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 33.4232 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.95177975 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.133333 p-Class : s [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.779412 Number of spots with penumbra : 1 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 0.958029 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.75862 [ Z-Class Determination ] Number of spots : 6 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 22.7908 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.3332829 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.223404 p-Class : s [ c-Class Determination ] Number of spots : 6 Area ratio (spots/group) : 0.434921 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta 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 (+/-) : 0.817500 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.28571 [ Z-Class Determination ] Number of spots : 6 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 52.5979 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.4491452 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.111111 p-Class : a [ c-Class Determination ] Number of spots : 6 Area ratio (spots/group) : 0.278210 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 5 Ratio of magnetic polarity (+/-) : 32.3333 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 0.993984 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 51.9643 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.49016840 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.125000 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.390625 Number of spots with penumbra : 2 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 6 Ratio of magnetic polarity (+/-) : 100.000 [ 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 : 7 Ratio of magnetic polarity (+/-) : 100.000 [ 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 (+/-) : 2.84483 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.45455 [ 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 : 9 Ratio of magnetic polarity (+/-) : 1.31707 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.53333 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 1 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 67.2489 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2375892 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.162791 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.383721 Number of spots with penumbra : 1 c-Class :o McIntosh Class : Cao [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 10 Ratio of magnetic polarity (+/-) : 0.777439 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.31034 [ 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) : 0.489130 Number of spots with penumbra : 0 c-Class :i McIntosh Class : Bxi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 11 Ratio of magnetic polarity (+/-) : 0.227273 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.22222 [ 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