2023 Oct 18 2300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 4.97059 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.29032 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 24.0461 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.4446494 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.168539 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 44.1429 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 3.18461 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 40.7518 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.6966317 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0927152 p-Class : a [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.481013 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 3 Ratio of magnetic polarity (+/-) : 0.449275 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.40000 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 16.6145 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.6589339 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.165049 p-Class : s [ c-Class Determination ] Number of spots : 1 c-Class :x McIntosh Class : Hsx [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 4 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