Solar flares on September 4, 2012
The most powerful solar flare in 24 hours
C2.9 (normal) flare - September 4 at 12:31 AM
Solar activity index
Value as of the end of the day on September 4, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 3, 2012 to September 4, 2012
Time zone — UTC+01 (London) — summer time
List of solar flares for September 4, 2012
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 10:42 | 10:47 | 10:54 | 1564 |
| C1.2 | 08:31 | 08:34 | 08:38 | 1565 |
| C2.3 | 08:09 | 08:15 | 08:20 | 1565 |
| C1.7 | 07:35 | 07:42 | 07:51 | 1564 |
| C2.7 | 05:57 | 06:07 | 06:14 | 1564 |
| C2.9 | 00:21 | 00:31 | 00:42 | 1564 |