2018 Apr 21 1800 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
201804211800      1     0.5    51.8         3             1      9.3   1.73        0.53      0.13       1.38       28.98            1    1.24  Cai              Beta