2015 Sep 18 1800 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 3 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 201509181800 1 -18.8 -26.3 7 5 13.0 1.92 0.44 0.14 1.32 19.80 3 -99.00 Esc Beta-Gamma 201509181800 2 -15.3 8.2 1 1 3.2 2.76 -99.00 0.20 2.10 12.82 1 1.14 Hhx Alpha 201509181800 3 11.9 11.1 3 1 3.2 1.10 0.78 0.11 0.25 25.05 1 1.57 Cai Beta