AAVSO Sudden Ionospheric Disturbance Report December 2019 Observers: A118 A119 A120 A122 A125 A134 A138 A141 A143 A146 A94 A97 YYMMDD Event Peak Importance 191200 0000 1- 191201 0530 1 191201 0944 1 ************************************************** Importance Summary - Dec 2019 1- events: 1 1 events: 2 1+ events: 0 2 events: 0 2+ events: 0 3 events: 0 3+ events: 0 ------------------ Total events: 03