2017 Sep 18 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 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 201709181800 1 9.6 -35.7 1 1 1.5 1.46 -99.00 0.13 0.16 19.84 0 -99.00 Hsx Alpha