Solar flares on October 9, 2001
The most powerful solar flare in 24 hours
M1.4 (strong) flare - October 9 at 5:13 AM
Solar activity index
Value as of the end of the day on October 9, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 8, 2001 to October 9, 2001
Time zone — UTC-06 (Lethbridge) — summer time
List of solar flares for October 9, 2001
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 20:22 | 20:25 | 20:27 | — |
| C2.4 | 16:03 | 16:07 | 16:10 | 9657 |
| C2.0 | 10:06 | 10:18 | 10:27 | — |
| C2.8 | 08:03 | 08:09 | 08:17 | — |
| M1.4 | 04:46 | 05:13 | 05:49 | 9653 |
| C7.0 | 01:24 | 01:41 | 01:50 | 9657 |