2016 Sep 28 0900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.12266 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.51852 [ Z-Class Determination ] Number of spots : 5 Number of spots with penumbra : 3 Longitudinal extent of this spot group (deg) : 7.85204 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 62.0082 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.9987749 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0512821 p-Class : a [ c-Class Determination ] Number of spots : 5 Area ratio (spots/group) : 0.174468 Number of spots with penumbra : 3 c-Class :o McIntosh Class : Dao [ Magnetic Class Determination ] Magnetic Class : Beta