2021 May 20 0000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 Date G_Ind Lat Lon Num_Spot Num_Spot_Pen Lon_Ext N-S Ratio_Area Ratio_Um Ratio_Pol Assym Num_Neutral Rough Zpc Wilson 202105200000 1 18.9 53.9 2 1 2.0 2.33 0.92 0.18 1.79 18.85 1 1.82 Csi Beta