Solar flares on May 20, 2013
The most powerful solar flare in 24 hours
M1.7 (strong) flare - May 20 at 7:25 AM
Solar activity index
Value as of the end of the day on May 20, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 19, 2013 to May 20, 2013
Time zone — UTC+02 (Vaduz) — summer time
List of solar flares for May 20, 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 |
|---|---|---|---|---|
| C1.6 | 22:02 | 22:10 | 22:18 | 1753 |
| C1.3 | 21:14 | 21:18 | 21:29 | 1748 |
| C6.0 | 18:20 | 18:26 | 18:30 | 1748 |
| C9.6 | 16:59 | 17:06 | 17:10 | 1748 |
| C2.7 | 16:21 | 16:28 | 16:32 | 1748 |
| M1.7 | 07:16 | 07:25 | 08:03 | 1755 |
| C4.0 | 02:41 | 02:47 | 02:53 | 1748 |