2021 Apr 13 2100 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 202104132100 1 -23.3 - 1.2 2 1 4.4 0.63 0.53 0.05 1.20 57.56 1 1.55 Cai Beta