2017 Sep 04 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.89815 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.17143 [ Z-Class Determination ] Number of spots : 4 Number of spots with penumbra : 2 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 49.1634 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.55775748 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0714286 p-Class : s [ c-Class Determination ] Number of spots : 4 Area ratio (spots/group) : 0.448276 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Csi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 2 Ratio of magnetic polarity (+/-) : 1.06443 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 4.41818 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 5 Longitudinal extent of this spot group (deg) : 6.62883 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 42.0594 (criterion : 25) N-S diameter of largest penumbra (deg) : 5.3545496 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.173023 p-Class : k [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.529651 Number of spots with penumbra : 5 c-Class :c McIntosh Class : Dkc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma-Delta Group Index : 3 Ratio of magnetic polarity (+/-) : 1.31723 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.56897 [ Z-Class Determination ] Number of spots : 10 Number of spots with penumbra : 5 Longitudinal extent of this spot group (deg) : 17.8706 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 13.0596 (criterion : 25) N-S diameter of largest penumbra (deg) : 3.5363040 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.231746 p-Class : h [ c-Class Determination ] Number of spots : 10 Area ratio (spots/group) : 0.601662 Number of spots with penumbra : 5 c-Class :c McIntosh Class : Fhc [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 4 Ratio of magnetic polarity (+/-) : 104.000 [ 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