2018 Apr 21 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 2 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 201804211900 1 -10.5 34.5 1 0 0.2 0.16 -99.00 -99.00 0.00 -99.00 0 -99.00 Axx Alpha 201804211900 2 0.6 51.6 3 1 9.1 1.60 0.69 0.12 1.48 34.56 1 1.51 Cai Beta