2016 Apr 20 1800 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 201604201800 1 5.5 19.0 2 1 0.6 0.87 0.65 0.15 65.80 40.43 0 -99.00 Csi Alpha 201604201800 2 - 5.8 75.1 1 0 2.0 1.98 -99.00 -99.00 0.71 -99.00 1 1.08 Axx Alpha