2017 Feb 11 1000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.886686 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.34286 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 6.16289 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 25.9641 (criterion : 25) N-S diameter of largest penumbra (deg) : 1.5196328 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.161017 p-Class : a [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.485014 Number of spots with penumbra : 3 c-Class :c McIntosh Class : Dac [ Magnetic Class Determination ] Magnetic Class : Beta