2015 Sep 20 1700 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 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 201509201700 1 -16.5 -54.3 4 2 13.2 1.92 0.59 0.12 1.20 26.90 3 -99.00 Cai Beta-Gamma 201509201700 2 -15.3 -19.1 1 1 3.2 2.77 -99.00 0.17 4.37 14.26 2 -99.00 Hhx Beta-Gamma 201509201700 3 12.2 -13.6 1 0 0.8 0.76 -99.00 -99.00 0.00 -99.00 0 -99.00 Axx Alpha 201509201700 4 14.8 76.0 1 0 1.3 1.28 -99.00 -99.00 1.31 -99.00 2 -99.00 Axx Beta-Gamma