AAVSO Sudden Ionospheric Disturbance Report February 2017 Observers: A118 A119 A120 A122 A125 A131 A134 A138 A141 A143 A146 A149 A94 A96 A97 YYMMDD Event Peak Importance 170209 0151 2 A122 - XRA 170209 0326 2+ A122 - XRA 170209 0704 1+ 170218 0929 1- 170222 1321 2+ A118 - XRA 170222 1325 1+ 170222 1329 1- A119 - XRA 170223 2054 1 A94 - XRA 170224 0012 2 A122 - XRA 170224 1333 2 A143 - QUAL 170227 2017 1- A94 - XRA 170228 1138 1- A146 - XRA ************************************************** Importance Summary - Feb 2017 1- events: 4 1 events: 1 1+ events: 2 2 events: 3 2+ events: 2 3 events: 0 3+ events: 0 ------------------ Total events: 12