2016 Jul 21 1900 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 201607211900 1 6.9 -50.8 4 4 15.4 3.20 0.55 0.15 0.91 36.41 4 -99.00 Fkc Beta-Gamma