2017 May 03 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Group Index : 1 Ratio of magnetic polarity (+/-) : 1.13470 Only one magnetic neutral line is found Roughness of the only magnetic neutral line : 1.52273 [ Z-Class Determination ] Number of spots : 3 Number of spots with penumbra : 2 Longitudinal extent of this spot group (deg) : 5.63661 Z-Class : D [ p-Class Determination ] Asymmetry factor of penumbral shape : 43.1208 (criterion : 50) N-S diameter of largest penumbra (deg) : 1.1333923 (criterion : 2.5 deg) Ratio of umbral area to spot area : 0.105263 p-Class : s [ c-Class Determination ] Number of spots : 3 Area ratio (spots/group) : 0.596059 Number of spots with penumbra : 2 c-Class :i McIntosh Class : Dsi [ Magnetic Class Determination ] Magnetic Class : Beta