2019 Apr 13 1900 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 201904131900 1 5.6 - 4.0 3 1 6.4 3.71 0.73 0.20 0.17 14.17 0 -99.00 Chi Alpha