AAVSO Sudden Ionospheric Disturbance Report January 2017 Observers: A118 A119 A120 A122 A125 A131 A134 A136 A138 A141 A142 A143 A146 A147 A149 A94 A96 A97 YYMMDD Event Peak Importance 170110 1301 2 170110 2247 1+ A122 - XRA 170112 1620 1+ A147 - XRA 170112 1620 1+ A147 - XRA 170115 2049 1- 170115 2054 1- 170115 2054 1- A141 - QUAL 170120 0945 1- A149 - XRA 170120 0952 1- A149 - XRA 170120 0953 1- A149 - XRA 170120 1001 1- A149 - QUAL 170120 1049 2 170121 0018 1 A134 - QUAL 170121 0231 2+ A122 - XRA 170121 0726 1+ 170121 0732 2 A142 - XRA 170121 1108 2 170121 1326 1- 170125 1050 1- A149 - XRA 170125 1923 1- 170125 1923 1- 170126 1257 1- A149 - QUAL 170128 2115 1 A146 - XRA ************************************************** Importance Summary - Jan 2017 1- events: 12 1 events: 2 1+ events: 4 2 events: 4 2+ events: 1 3 events: 0 3+ events: 0 ------------------ Total events: 23