2017 May 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 201705181900 1 - 8.5 40.7 3 0 1.5 1.51 0.71 -99.00 1.73 -99.00 1 1.28 Bxi Beta 201705181900 2 10.5 42.1 1 1 0.7 0.64 -99.00 0.21 0.00 46.26 0 -99.00 Hsx Alpha