2015 Jul 28 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.766328 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.61404 [ Z-Class Determination ] Number of spots : 8 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 7.63241 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 60.2514 (criterion : 50) N-S diameter of largest penumbra (deg) : 2.1054079 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0444444 p-Class : a [ c-Class Determination ] Number of spots : 8 Area ratio (spots/group) : 0.245098 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 2 Ratio of magnetic polarity (+/-) : 0.632385 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 2.00000 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 0 Z-Class : B [ p-Class Determination ] p-Class : x [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.884615 Number of spots with penumbra : 0 c-Class :i McIntosh Class : Bxi [ Magnetic Class Determination ] Magnetic Class : Beta Group Index : 3 Ratio of magnetic polarity (+/-) : 0.913979 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.09677 [ Z-Class Determination ] Number of spots : 1 Number of spots with penumbra : 1 Z-Class : H [ p-Class Determination ] Asymmetry factor of penumbral shape : 42.4485 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.2396384 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.152174 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 (+/-) : 0.750000 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.22727 [ 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