Solar flares on October 23, 2001
The most powerful solar flare in 24 hours
M6.5 (strong) flare - October 23 at 2:23 AM
Solar activity index
Value as of the end of the day on October 23, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 22, 2001 to October 23, 2001
Time zone — UTC+00
List of solar flares for October 23, 2001
The total number of solar flares of class C and higher — 10 flares
C class — 8 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 15:05 | 15:12 | 15:18 | 9672 |
| C2.0 | 14:14 | 14:17 | 14:21 | 9672 |
| C6.7 | 12:25 | 12:29 | 12:32 | 9672 |
| C4.4 | 12:01 | 12:08 | 12:12 | 9672 |
| C2.6 | 08:31 | 08:35 | 08:39 | — |
| C7.7 | 07:56 | 08:03 | 08:08 | 9676 |
| C2.3 | 06:04 | 06:07 | 06:14 | 9678 |
| C2.5 | 05:05 | 05:10 | 05:20 | — |
| M6.5 | 02:11 | 02:23 | 02:34 | 9672 |
| M1.3 | 00:13 | 00:23 | 00:35 | 9672 |