2018 Apr 23 0400 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 201804230400 1 2.6 28.0 8 1 8.2 1.60 0.28 0.10 0.86 34.49 1 2.48 Cao Beta-Gamma