Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Oct 20, 2010 and Oct 21, 2010 (GOES-14)
Solar flares on Oct 21, 2010
No solar flares of C, M and X-class were observed
Solar flares on Oct 20, 2010
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.5 | 1112 | 11:42:00 | 11:50:00 | 11:54:00 |