Solar flares on October 11, 2001
The most powerful solar flare in 24 hours
C7.6 (normal) flare - October 11 at 9:27 PM
Solar activity index
Value as of the end of the day on October 11, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 10, 2001 to October 11, 2001
Time zone — UTC-06 (Red deer) — summer time
List of solar flares for October 11, 2001
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 22:18 | 22:21 | 22:24 | 9657 |
| C7.6 | 21:06 | 21:27 | 21:31 | 9661 |
| C1.6 | 19:32 | 19:37 | 19:40 | — |
| C1.9 | 18:08 | 18:15 | 18:34 | 9658 |
| C1.3 | 16:42 | 16:45 | 16:47 | 9663 |
| C1.17 | 16:02 | 16:08 | 16:13 | 9658 |
| C2.1 | 11:38 | 11:43 | 11:48 | 9661 |
| C2.6 | 05:09 | 05:34 | 05:39 | — |
| C4.11 | 23:32 | 01:29 | 01:59 | — |