2015 Sep 18 1900 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 201509181900 1 -18.6 -27.4 7 4 13.1 2.06 0.48 0.13 1.25 24.78 3 -99.00 Esc Beta-Gamma 201509181900 2 -15.3 7.3 1 1 3.2 2.76 -99.00 0.20 2.72 13.21 1 1.12 Hhx Alpha 201509181900 3 13.9 14.0 3 1 5.8 1.10 0.56 0.11 1.16 28.89 2 -99.00 Cai Beta-Gamma