Solar flares on September 13, 2005
The most powerful solar flare in 24 hours
X1.5 (very strong) flare - September 13 at 10:27 PM
Solar activity index
Value as of the end of the day on September 13, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 12, 2005 to September 13, 2005
Time zone — UTC+03 (Simferopol)
List of solar flares for September 13, 2005
The total number of solar flares of class C and higher — 14 flares
C class — 12 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.5 | 22:19 | 22:27 | 23:57 | 808 |
| C2.9 | 21:49 | 22:05 | 22:15 | 808 |
| C4.5 | 16:11 | 16:43 | 16:53 | 808 |
| M1.3 | 13:41 | 14:21 | 14:24 | — |
| C1.8 | 11:24 | 11:28 | 11:31 | 808 |
| C1.2 | 09:31 | 09:35 | 09:37 | 808 |
| C5.1 | 07:37 | 07:45 | 07:54 | 808 |
| C1.9 | 07:15 | 07:18 | 07:20 | — |
| C1.5 | 06:57 | 07:00 | 07:02 | — |
| C3.4 | 06:21 | 06:27 | 06:31 | 808 |
| C4.3 | 03:53 | 03:58 | 04:02 | 808 |
| C5.5 | 02:12 | 02:17 | 02:23 | — |
| C5.6 | 01:57 | 02:01 | 02:03 | 808 |
| C7.2 | 01:07 | 01:25 | 01:42 | — |