2016 Apr 18 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 201604181800 1 7.5 -67.0 1 1 9.1 4.91 -99.00 0.16 0.39 26.88 2 -99.00 Hkx Beta-Gamma 201604181800 2 4.7 46.2 1 1 1.0 1.12 -99.00 0.12 9.45 32.35 0 -99.00 Hsx Alpha