2015 Sep 20 1900 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 201509201900 1 -16.7 -54.8 3 2 13.2 1.79 0.45 0.16 1.24 27.97 3 -99.00 Csi Beta-Gamma 201509201900 2 -15.2 -20.4 1 1 3.1 2.51 -99.00 0.18 5.37 13.97 0 -99.00 Hhx Alpha 201509201900 3 12.2 -14.8 1 1 0.6 0.61 -99.00 0.07 0.00 42.31 0 -99.00 Hsx Alpha 201509201900 4 14.4 74.7 1 1 1.3 3.52 -99.00 0.01 1.68 52.37 1 1.24 Hkx Alpha