2015 Apr 23 1900 UTC Sunspot Group Classification Results Number of Detected Sunspot Groups : 4 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 201504231900 1 17.0 -57.6 3 1 3.7 1.35 0.60 0.12 0.11 28.07 0 -99.00 Csi Alpha 201504231900 2 2.9 -48.2 1 1 3.0 2.98 -99.00 0.17 0.48 16.11 1 1.20 Hhx Alpha 201504231900 3 - 8.8 - 5.5 6 2 13.9 1.83 0.51 0.17 1.96 14.88 2 -99.00 Esi Beta-Gamma 201504231900 4 18.4 58.6 1 1 0.6 1.10 -99.00 0.11 0.87 42.15 1 1.30 Hsx Alpha