AAVSO Sudden Ionospheric Disturbance Report October 2009 Observers: A87 A102 A115 A118 A119 A122 YYMMDD Event Peak Importance 091027 0500 1+ 091027 0724 1 091027 0913 1- 091027 0924 1 091027 1018 1 091027 1313 1 091031 0934 1+ ************************************************** Importance Summary - Oct 2009 1- events: 1 1 events: 4 1+ events: 2 2 events: 0 2+ events: 0 3 events: 0 3+ events: 0 ------------------ Total events: 07