2021 Apr 18 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 202104182100 1 -24.6 35.5 2 2 4.9 0.66 0.16 0.26 0.07 40.86 0 -99.00 Dso Alpha 202104182100 2 -27.2 38.4 2 1 1.5 0.96 0.34 0.23 0.00 50.34 0 -99.00 Cao Alpha