2018 Apr 23 1800 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 201804231800 1 3.1 17.8 4 1 7.3 1.47 0.65 0.17 0.84 40.36 1 1.61 Csi Beta