Solar flares on February 4, 2013
The most powerful solar flare in 24 hours
C2.0 (normal) flare - February 4 at 2:59 PM
Solar activity index
Value as of the end of the day on February 4, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 3, 2013 to February 4, 2013
Time zone — UTC+00 (London)
List of solar flares for February 4, 2013
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 20:35 | 20:42 | 20:47 | 1669 |
| C2.0 | 14:53 | 14:59 | 15:03 | 1669 |