Solar flares on February 20, 2013
The most powerful solar flare in 24 hours
C8.2 (normal) flare - February 20 at 1:11 AM
Solar activity index
Value as of the end of the day on February 20, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 19, 2013 to February 20, 2013
Time zone — UTC-10 (Honolulu)
List of solar flares for February 20, 2013
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.5 | 18:56 | 19:05 | 19:17 | 1678 |
| C2.0 | 18:01 | 18:09 | 18:16 | 1678 |
| C1.9 | 17:07 | 17:10 | 17:12 | 1678 |
| C1.7 | 11:50 | 11:58 | 12:12 | 1678 |
| C3.0 | 04:52 | 04:56 | 04:58 | 1678 |
| C8.2 | 01:08 | 01:11 | 01:13 | 1678 |