2021 Jan 17 2300 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 202101172300 1 -21.1 75.5 2 2 4.8 1.08 0.91 0.06 1.00 68.37 2 -99.00 Dai Beta-Gamma