Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 21, 2012 and Feb 22, 2012 (GOES-15)
Solar flares on Feb 22, 2012
No solar flares of C, M and X-class were observed
Solar flares on Feb 21, 2012
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.0 | 1422 | 11:42:00 | 11:48:00 | 11:55:00 |