Solar flares on September 15, 2005
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - September 15 at 11:38 AM
Solar activity index
Value as of the end of the day on September 15, 2005
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2005 to September 15, 2005
Time zone — UTC+03 (Simferopol)
List of solar flares for September 15, 2005
The total number of solar flares of class C and higher — 17 flares
C class — 14 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 23:35 | 23:39 | 23:41 | — |
| M1.0 | 21:55 | 22:10 | 22:26 | 808 |
| C2.3 | 21:21 | 21:30 | 21:38 | 808 |
| C4.8 | 19:28 | 19:51 | 20:02 | 808 |
| C1.1 | 19:14 | 19:20 | 19:24 | — |
| C5.2 | 18:32 | 18:35 | 18:37 | — |
| C7.1 | 17:44 | 18:17 | 18:31 | 808 |
| C1.0 | 17:33 | 17:37 | 17:42 | 808 |
| C1.0 | 13:37 | 13:42 | 13:46 | — |
| X1.1 | 11:30 | 11:38 | 11:46 | 808 |
| C1.8 | 09:44 | 09:53 | 09:56 | 808 |
| C2.6 | 07:57 | 08:00 | 08:02 | 808 |
| M1.3 | 04:52 | 05:12 | 05:18 | — |
| C8.5 | 03:51 | 04:19 | 04:46 | 808 |
| C3.7 | 02:38 | 02:42 | 02:46 | 808 |
| C5.8 | 01:47 | 02:12 | 02:22 | 808 |
| C4.3 | 23:37 | 00:18 | 00:32 | 808 |