2018 Jan 17 0400 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 0.882175 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.61111 [ Z-Class Determination ] Number of spots : 2 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 2.00606 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 65.4258 (criterion : 50) N-S diameter of largest penumbra (deg) : 0.72199529 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.0454545 p-Class : a [ c-Class Determination ] Number of spots : 2 Area ratio (spots/group) : 0.438202 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dai [ Magnetic Class Determination ] Magnetic Class : Beta