2015 Sep 17 2000 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 201509172000 1 -19.4 -11.8 10 4 12.2 2.03 0.39 0.13 1.70 20.18 2 -99.00 Eso Beta-Gamma 201509172000 2 -14.3 22.0 3 1 6.4 3.04 0.71 0.19 0.75 14.27 2 -99.00 Chi Beta-Gamma 201509172000 3 12.8 24.5 4 2 4.8 1.83 0.57 0.11 1.66 27.07 1 1.42 Dai Beta