Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Mar 20, 2011 and Mar 21, 2011 (GOES-15)
Solar flares on Mar 21, 2011
3 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C4.2 | 0 | 15:31:00 | 17:19:00 | 18:30:00 |
| Flare of class C1.0 | 0 | 11:52:00 | 11:57:00 | 12:03:00 |
| Flare of class C2.6 | 0 | 11:45:00 | 11:47:00 | 11:50:00 |
Solar flares on Mar 20, 2011
No solar flares of C, M and X-class were observed