AAVSO Sudden Ionospheric Disturbance Report 
     May 1986
  
     Observers:
     A-19   A-26   A-46   A-52   A-59   
     
     YYMMDD      Event Peak (UT)   Importance
     860502         1357                1- 
     860503         1000                1  
     860504         1000                2 
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     Importance Summary May 1986
        1- events:  1
        1  events:  1
        1+ events:  0
        2  events:  1
        2+ events:  0
        3  events:  0
        3+ events:  0
     Total events:  3