Solar flares on October 9, 2023
The most powerful solar flare in 24 hours
C9.2 (normal) flare - October 9 at 8:11 PM
Solar activity index
Value as of the end of the day on October 9, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 8, 2023 to October 9, 2023
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for October 9, 2023
The total number of solar flares of class C and higher — 16 flares
C class — 16 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.6 | 23:51 | 23:57 | 00:03 | 3460 |
| C2.8 | 22:31 | 22:49 | 23:11 | 3451 |
| C9.2 | 19:52 | 20:11 | 20:28 | 3451 |
| C1.7 | 16:57 | 17:05 | 17:13 | 3460 |
| C2.0 | 15:29 | 15:38 | 15:54 | 3460 |
| C7.6 | 12:28 | 12:43 | 12:57 | 3451 |
| C6.4 | 09:34 | 09:38 | 09:43 | 3451 |
| C3.6 | 09:15 | 09:26 | 09:34 | 3451 |
| C2.7 | 08:56 | 09:12 | 09:15 | 3451 |
| C2.3 | 08:11 | 08:17 | 08:34 | — |
| C1.8 | 07:56 | 08:07 | 08:11 | — |
| C4.4 | 06:22 | 06:31 | 06:40 | 3451 |
| C1.5 | 05:39 | 05:49 | 06:02 | — |
| C1.8 | 05:21 | 05:28 | 05:39 | 3451 |
| C1.7 | 05:08 | 05:12 | 05:17 | — |
| C2.1 | 04:06 | 04:14 | 04:32 | 3451 |