2018 Apr 20 2000 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 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 201804202000 1 1.2 57.9 1 1 0.6 0.74 -99.00 0.14 0.21 58.04 1 1.30 Hax Alpha 201804202000 2 - 0.5 64.5 1 0 0.3 0.26 -99.00 -99.00 14.20 -99.00 0 -99.00 Axx Alpha