Solar flares on October 23, 2013
The most powerful solar flare in 24 hours
M4.2 (strong) flare - October 23 at 12:20 AM
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+03 (Moscow)
List of solar flares for October 23, 2013
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.7 | 23:41 | 23:53 | 23:59 | 1875 |
| C2.2 | 22:26 | 22:30 | 22:39 | 1875 |
| C3.6 | 20:04 | 20:20 | 20:31 | 1875 |
| C1.8 | 18:38 | 18:43 | 18:59 | 1875 |
| C6.5 | 14:11 | 14:17 | 14:21 | 1875 |
| C1.3 | 12:48 | 12:53 | 13:00 | 1877 |
| C3.6 | 09:00 | 09:04 | 09:08 | 1875 |
| C3.3 | 07:50 | 08:12 | 08:28 | 1875 |
| M4.2 | 00:15 | 00:20 | 00:22 | 1875 |