2021 May 17 1600 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 202105171600 1 16.6 -58.1 1 1 1.9 1.46 -99.00 0.14 2.58 31.66 1 1.18 Hsx Alpha