2020 Dec 16 2000 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 202012162000 1 -15.3 39.2 2 1 3.9 0.50 0.35 0.19 0.90 60.18 1 1.48 Cao Beta