2021 Apr 13 1400 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 202104131400 1 -23.1 2.6 2 1 4.4 0.63 0.54 0.10 1.25 63.49 1 1.31 Cai Beta