2021 Apr 18 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 202104181400 1 -25.6 40.5 6 3 7.1 0.67 0.20 0.22 1.54 57.73 2 -99.00 Dao Beta-Gamma