Solar flares on May 12, 2013
The most powerful solar flare in 24 hours
M1.9 (strong) flare - May 12 at 9:32 PM
Solar activity index
Value as of the end of the day on May 12, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 11, 2013 to May 12, 2013
Time zone — UTC+01 (London) — summer time
List of solar flares for May 12, 2013
The total number of solar flares of class C and higher — 15 flares
C class — 13 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.2 | 23:37 | 23:44 | 23:52 | — |
| M1.9 | 21:17 | 21:32 | 22:03 | — |
| C2.0 | 16:57 | 17:01 | 17:05 | 1745 |
| C1.6 | 10:40 | 11:23 | 11:41 | 1743 |
| C1.6 | 09:57 | 10:03 | 10:14 | 1743 |
| C1.5 | 09:22 | 09:26 | 09:28 | 1745 |
| C1.3 | 07:26 | 07:27 | 07:29 | 1745 |
| C1.3 | 07:16 | 07:19 | 07:24 | 1744 |
| C1.0 | 06:58 | 07:01 | 07:03 | 1734 |
| C1.2 | 06:18 | 06:27 | 06:30 | 1745 |
| C2.2 | 05:11 | 05:36 | 05:45 | 1746 |
| C1.2 | 04:37 | 04:41 | 04:45 | 1744 |
| C1.1 | 04:21 | 04:27 | 04:31 | 1744 |
| C1.1 | 03:33 | 03:53 | 04:13 | 1734 |
| C1.2 | 03:00 | 03:11 | 03:16 | 1745 |