Solar flares on May 13, 2002
The most powerful solar flare in 24 hours
C3.9 (normal) flare - May 13 at 1:01 AM
Solar activity index
Value as of the end of the day on May 13, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 12, 2002 to May 13, 2002
Time zone — UTC+00
List of solar flares for May 13, 2002
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.2 | 20:49 | 20:56 | 21:03 | — |
| C2.3 | 17:40 | 17:45 | 17:49 | — |
| C2.3 | 16:37 | 16:41 | 16:47 | 9945 |
| C1.5 | 05:01 | 05:07 | 05:11 | — |
| C1.8 | 03:10 | 03:42 | 03:52 | 9948 |
| C1.1 | 02:34 | 02:37 | 02:40 | 9946 |
| C3.9 | 00:51 | 01:01 | 01:09 | 9934 |