Solar flares on September 12, 2005
The most powerful solar flare in 24 hours
M6.1 (strong) flare - September 12 at 9:03 AM
Solar activity index
Value as of the end of the day on September 12, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 11, 2005 to September 12, 2005
Time zone — UTC+00
List of solar flares for September 12, 2005
The total number of solar flares of class C and higher — 13 flares
C class — 9 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.5 | 23:12 | 23:17 | 23:23 | — |
| C5.6 | 22:57 | 23:01 | 23:03 | 808 |
| C7.2 | 22:07 | 22:25 | 22:42 | — |
| M1.5 | 20:05 | 20:09 | 20:11 | 808 |
| C3.2 | 19:28 | 19:40 | 19:42 | — |
| C1.2 | 16:35 | 16:38 | 16:40 | — |
| C1.1 | 16:29 | 16:33 | 16:35 | — |
| C1.1 | 15:33 | 15:37 | 15:42 | — |
| M6.1 | 08:37 | 09:03 | 09:20 | 808 |
| M1.3 | 06:56 | 07:01 | 07:05 | 808 |
| M1.5 | 04:49 | 05:05 | 05:27 | — |
| C2.0 | 02:42 | 02:48 | 02:53 | — |
| C3.3 | 00:45 | 00:49 | 00:53 | — |