2016 Apr 20 2100 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 201604202100 1 5.7 16.7 2 1 2.1 0.99 0.47 0.10 31.46 38.06 0 -99.00 Csi Alpha 201604202100 2 - 5.6 73.1 1 1 2.1 1.94 -99.00 0.16 0.75 29.96 1 1.17 Hsx Alpha