Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Aug 19, 2011 and Aug 20, 2011 (GOES-15)
Solar flares on Aug 20, 2011
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.9 | 1271 | 22:54:00 | 22:58:00 | 23:00:00 |
Solar flares on Aug 19, 2011
No solar flares of C, M and X-class were observed