Solar flares on September 15, 2004
The most powerful solar flare in 24 hours
C2.7 (normal) flare - September 15 at 7:49 AM
Solar activity index
Value as of the end of the day on September 15, 2004
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2004 to September 15, 2004
Time zone — UTC+00
List of solar flares for September 15, 2004
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 20:05 | 20:55 | 22:11 | 673 |
| C1.1 | 17:42 | 17:51 | 17:53 | 672 |
| C1.1 | 16:51 | 17:13 | 17:23 | 672 |
| C2.7 | 07:42 | 07:49 | 08:02 | 672 |