2021 Jan 18 1000 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 202101181000 1 -20.6 69.3 2 2 3.5 0.90 0.87 0.08 1.07 59.22 1 1.17 Dai Beta