2016 Apr 21 1600 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 201604211600 1 5.6 6.5 2 1 0.7 0.74 0.74 0.04 27.18 46.58 0 -99.00 Csi Alpha 201604211600 2 - 4.6 62.3 1 1 2.1 1.94 -99.00 0.15 1.07 21.64 1 1.18 Hsx Alpha