Solar flares on October 23, 2013
The most powerful solar flare in 24 hours
M9.3 (strong) flare - October 23 at 6:30 PM
Solar activity index
Value as of the end of the day on October 23, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 22, 2013 to October 23, 2013
Time zone — UTC-06 (Santa Fe) — summer time
List of solar flares for October 23, 2013
The total number of solar flares of class C and higher — 17 flares
C class — 13 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.3 | 23:53 | 23:59 | 00:03 | 1875 |
| C3.0 | 23:22 | 23:27 | 23:32 | 1875 |
| C3.4 | 22:52 | 23:07 | 23:13 | 1875 |
| C2.1 | 22:12 | 22:15 | 22:18 | 1875 |
| C3.1 | 21:37 | 21:43 | 21:50 | 1875 |
| M9.3 | 18:21 | 18:30 | 18:35 | 1877 |
| M3.1 | 17:58 | 18:08 | 18:16 | 1875 |
| M1.4 | 17:33 | 17:43 | 17:47 | 1875 |
| C8.7 | 16:18 | 16:26 | 16:31 | 1877 |
| C4.1 | 15:57 | 16:04 | 16:13 | 1875 |
| M2.7 | 14:41 | 14:53 | 14:59 | 1875 |
| C2.2 | 13:26 | 13:30 | 13:39 | 1875 |
| C3.6 | 11:04 | 11:20 | 11:31 | 1875 |
| C1.8 | 09:38 | 09:43 | 09:59 | 1875 |
| C6.5 | 05:11 | 05:17 | 05:21 | 1875 |
| C1.3 | 03:48 | 03:53 | 04:00 | 1877 |
| C3.6 | 00:00 | 00:04 | 00:08 | 1875 |