Solar flares on October 23, 2013
The most powerful solar flare in 24 hours
M2.7 (strong) flare - October 23 at 8:53 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+00 (Reykjavik)
List of solar flares for October 23, 2013
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.4 | 23:33 | 23:43 | 23:47 | 1875 |
| C8.7 | 22:18 | 22:26 | 22:31 | 1877 |
| C4.1 | 21:57 | 22:04 | 22:13 | 1875 |
| M2.7 | 20:41 | 20:53 | 20:59 | 1875 |
| C2.2 | 19:26 | 19:30 | 19:39 | 1875 |
| C3.6 | 17:04 | 17:20 | 17:31 | 1875 |
| C1.8 | 15:38 | 15:43 | 15:59 | 1875 |
| C6.5 | 11:11 | 11:17 | 11:21 | 1875 |
| C1.3 | 09:48 | 09:53 | 10:00 | 1877 |
| C3.6 | 06:00 | 06:04 | 06:08 | 1875 |
| C3.3 | 04:50 | 05:12 | 05:28 | 1875 |