AAVSO Sudden Ionospheric Disturbance Report
September 2004

Observers:
A29	A50	A63	A80	A84	A87	A90
A93	A95	A96	A97	A99	A102	A108		

YYMMDD		Event Peak		Importance
040907		2153			1+
040910		1614			2
040912		0026			1
040912		0038			2+
040912		0140			1
040912		1836			1
040913		2118			2+
040914		0922			3
040914		0930			3
040914		1404			2
040914		1657			2+
040914		1930			2
040915		1838			1
040918		1353			2
040918		1622			2+
040918		1736			2
040919		1700			3
040919		1708			2+
040921		0838			1-
040922		0920			2



**************************************************
Importance Summary - Sep 2004
	1- events:  1
	1  events:  4
	1+ events:  1
	2  events:  6
	2+ events:  5
	3  events:  3
	3+ events:  0
 ------------------
   Total events: 20