Solar flares on February 21, 2012
The most powerful solar flare in 24 hours
C1.0 (normal) flare - February 21 at 11:48 AM
Solar activity index
Value as of the end of the day on February 21, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 20, 2012 to February 21, 2012
Time zone — UTC+00 (London)
List of solar flares for February 21, 2012
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 11:42 | 11:48 | 11:55 | 1422 |