Solar flares on April 13, 2013
The most powerful solar flare in 24 hours
C1.9 (normal) flare - April 13 at 3:34 AM
Solar activity index
Value as of the end of the day on April 13, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 12, 2013 to April 13, 2013
Time zone — UTC+00
List of solar flares for April 13, 2013
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 19:46 | 19:53 | 20:01 | 1718 |
| C1.5 | 09:21 | 09:28 | 09:34 | 1724 |
| C1.9 | 03:29 | 03:34 | 03:36 | 1718 |
| C1.5 | 01:24 | 01:42 | 01:58 | 1719 |