2019 Apr 12 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 201904121800 1 5.5 10.2 2 1 6.0 3.46 0.80 0.21 0.13 14.44 0 -99.00 Chi Alpha