AAVSO Sudden Ionospheric Disturbance Report August 1997 Observers: A-05 A-09 A-40 A-50 A-52 A-62 A-63 A-69 A-72 A-80 A-81 A-82 A-84 YYMMDD Event Peak (UT) Importance 970809 1218 1+ 970809 1305 1 970809 1636 1+ 970810 2012 2 970825 1638 1+ ******************************************* Importance Summary August 1997 1- events: 0 1 events: 1 1+ events: 3 2 events: 1 2+ events: 0 3 events: 0 3+ events: 0 Total events: 5