2016 Apr 18 1900 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 201604181900 1 7.4 -67.8 1 1 9.3 5.09 -99.00 0.16 0.39 24.55 1 1.38 Hhx Alpha 201604181900 2 4.7 45.5 1 1 1.1 1.00 -99.00 0.12 8.97 31.94 0 -99.00 Hsx Alpha