2016 Apr 21 1500 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 201604211500 1 5.6 7.1 2 1 0.8 0.74 0.80 0.00 18.53 39.43 0 -99.00 Csi Alpha 201604211500 2 - 4.7 62.9 1 1 2.1 2.06 -99.00 0.15 0.93 22.34 1 1.18 Hsx Alpha