Solar flares on April 12, 2013
The most powerful solar flare in 24 hours
M3.3 (strong) flare - April 12 at 4:38 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-04 (Thunder bay) — summer time
List of solar flares for April 12, 2013
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 23:29 | 23:34 | 23:36 | 1718 |
| C1.5 | 21:24 | 21:42 | 21:58 | 1719 |
| M3.3 | 15:52 | 16:38 | 16:46 | 1718 |
| C2.1 | 14:40 | 14:48 | 15:01 | 1718 |
| C1.1 | 14:00 | 14:15 | 14:24 | 1719 |
| C1.4 | 13:03 | 13:24 | 13:51 | 1718 |
| C2.2 | 00:02 | 00:14 | 00:22 | 1718 |