2015 Dec 20 1300 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 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 201512201300 1 12.8 -19.6 2 1 5.0 3.82 0.92 0.20 0.16 13.37 0 -99.00 Chi Alpha 201512201300 2 16.7 - 8.8 1 1 1.1 1.00 -99.00 0.07 100.00 33.26 0 -99.00 Hsx Alpha