2015 Sep 17 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 201509171800 1 -19.4 -10.4 9 4 12.0 2.03 0.39 0.13 1.60 22.39 2 -99.00 Eso Beta-Gamma 201509171800 2 -14.3 23.1 3 1 6.5 2.91 0.72 0.19 0.72 13.07 2 -99.00 Chi Beta-Gamma 201509171800 3 13.0 25.7 6 2 4.7 1.71 0.59 0.13 1.72 20.48 1 1.23 Csi Beta