2023 Dec 31 2000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.658537 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.16667 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 29.6169 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.4081630 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.166667 p-Class : k [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hkx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 1.45455 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.47826 [ 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) : 0.0100000 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 (+/-) : 0.883861 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.66667 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 6.50045 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 36.9236 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.3263350 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0298507 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.133750 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dso [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 4 Ratio of magnetic polarity (+/-) : 0.175105 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 55.5220 (criterion : 50) N-S diameter of largest penumbra (deg) : 3.6481767 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0101010 p-Class : k [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hkx [ Magnetic Class Determination ] Magnetic Class : Alpha