2018 Apr 22 0900 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 201804220900 1 2.2 38.4 4 1 8.3 1.73 0.43 0.12 1.16 35.40 1 1.52 Cai Beta