Solar flares on September 15, 2005
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - September 15 at 2:08 PM
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+05:30 (Surat)
List of solar flares for September 15, 2005
The total number of solar flares of class C and higher — 15 flares
C class — 13 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 21:58 | 22:21 | 22:32 | 808 |
| C1.1 | 21:44 | 21:50 | 21:54 | — |
| C5.2 | 21:02 | 21:05 | 21:07 | — |
| C7.1 | 20:14 | 20:47 | 21:01 | 808 |
| C1.0 | 20:03 | 20:07 | 20:12 | 808 |
| C1.0 | 16:07 | 16:12 | 16:16 | — |
| X1.1 | 14:00 | 14:08 | 14:16 | 808 |
| C1.8 | 12:14 | 12:23 | 12:26 | 808 |
| C2.6 | 10:27 | 10:30 | 10:32 | 808 |
| M1.3 | 07:22 | 07:42 | 07:48 | — |
| C8.5 | 06:21 | 06:49 | 07:16 | 808 |
| C3.7 | 05:08 | 05:12 | 05:16 | 808 |
| C5.8 | 04:17 | 04:42 | 04:52 | 808 |
| C4.3 | 02:07 | 02:48 | 03:02 | 808 |
| C4.4 | 00:52 | 00:57 | 01:04 | 808 |