Solar flares on April 12, 2013
The most powerful solar flare in 24 hours
M3.3 (strong) flare - April 12 at 9:38 PM
Solar activity index
Value as of the end of the day on April 12, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 11, 2013 to April 12, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for April 12, 2013
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.3 | 20:52 | 21:38 | 21:46 | 1718 |
| C2.1 | 19:40 | 19:48 | 20:01 | 1718 |
| C1.1 | 19:00 | 19:15 | 19:24 | 1719 |
| C1.4 | 18:03 | 18:24 | 18:51 | 1718 |
| C2.2 | 05:02 | 05:14 | 05:22 | 1718 |
| C4.0 | 23:49 | 00:02 | 00:24 | — |