2017 May 28 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 201705282000 1 13.0 -71.6 3 2 11.1 2.77 0.50 0.09 0.55 51.70 2 -99.00 Eki Beta-Gamma