2015 Sep 30 1600 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.112676 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 2.01770 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 60.4483 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.61275097 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0555556 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.666667 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Alpha Group Index : 2 Ratio of magnetic polarity (+/-) : 1.98199 More than one magnetic neutral line is found Number of Significant Neutral Lines : 5 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 17.4458 Z-Class : F [ p-Class Determination ] Asymmetry factor of penumbral shape : 66.7996 (criterion : 25) N-S diameter of largest penumbra (deg) : 5.0350850 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0805687 p-Class : k [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.486562 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Fkc [ Magnetic Class Determination ] Magnetic Class : Beta-Gamma Group Index : 3 Ratio of magnetic polarity (+/-) : 1.20500 More than one magnetic neutral line is found Number of Significant Neutral Lines : 1 Roughness of the longest magnetic neutral line : 1.97778 [ Z-Class Determination ] Number of spots : 7 Number of spots with penumbra : 3 Z-Class : C [ p-Class Determination ] Asymmetry factor of penumbral shape : 22.4463 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.7286201 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.173333 p-Class : s [ c-Class Determination ] Number of spots : 7 Area ratio (spots/group) : 0.274864 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Cso [ Magnetic Class Determination ] Magnetic Class : Beta