2017 May 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 201705181800 1 - 8.5 40.7 2 0 0.2 0.22 0.69 -99.00 5.19 -99.00 0 -99.00 Bxi Alpha 201705181800 2 10.6 42.4 1 1 0.5 0.64 -99.00 0.23 0.00 49.58 0 -99.00 Hsx Alpha