2016 Apr 21 2100 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 201604212100 1 5.6 4.0 2 0 0.7 0.73 0.71 -99.00 66.40 -99.00 0 -99.00 Bxi Alpha 201604212100 2 - 4.4 59.8 1 1 1.9 2.06 -99.00 0.18 1.07 18.47 1 1.15 Hsx Alpha