2018 Apr 20 2200 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 201804202200 1 0.6 59.7 4 1 7.1 1.24 0.18 0.10 1.40 55.52 1 1.55 Cao Beta