2016 May 18 2100 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 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 201605182100 1 21.0 -56.3 1 0 3.9 3.94 -99.00 -99.00 0.38 -99.00 1 1.47 Axx Alpha 201605182100 2 -18.9 -11.4 1 0 0.5 0.50 -99.00 -99.00 0.78 -99.00 1 1.22 Axx Alpha 201605182100 3 - 7.5 20.7 1 1 4.5 4.67 -99.00 0.20 1.53 15.56 1 2.11 Hhx Beta-Gamma