2017 Feb 21 1600 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 1 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 201702211600 1 15.3 57.9 7 2 8.9 1.92 0.23 0.15 1.39 30.46 1 1.95 Dao Beta