Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on May 17, 2011 and May 18, 2011 (GOES-15)
Solar flares on May 18, 2011
2 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C2.0 | 0 | 18:02:00 | 18:30:00 | 19:50:00 |
| Flare of class C1.2 | 1218 | 12:48:00 | 12:59:00 | 13:07:00 |
Solar flares on May 17, 2011
No solar flares of C, M and X-class were observed