Solar flares on August 9, 2001
The most powerful solar flare in 24 hours
C7.8 (normal) flare - August 9 at 7:34 PM
Solar activity index
Value as of the end of the day on August 9, 2001
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 8, 2001 to August 9, 2001
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for August 9, 2001
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 21:35 | 21:38 | 21:40 | — |
| C2.0 | 20:19 | 20:22 | 20:24 | 9565 |
| C7.8 | 19:22 | 19:34 | 19:47 | 9570 |
| C3.7 | 12:16 | 12:22 | 12:27 | — |
| C2.6 | 09:08 | 09:15 | 09:27 | 9567 |
| C3.1 | 08:21 | 08:24 | 08:30 | — |
| C3.8 | 07:39 | 07:55 | 08:02 | — |
| C2.2 | 07:04 | 07:08 | 07:11 | — |
| C1.9 | 05:34 | 05:38 | 05:40 | 9563 |
| C4.2 | 04:13 | 04:18 | 04:27 | 9566 |
| C1.8 | 03:43 | 03:44 | 03:45 | 9563 |
| C6.0 | 01:32 | 01:45 | 02:07 | 9569 |