2016 Apr 20 0600 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 201604200600 1 5.4 25.7 2 1 0.9 0.50 0.81 0.15 100.00 61.58 0 -99.00 Cai Alpha