Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Feb 17, 2013 and Feb 18, 2013 (GOES-15)
Solar flares on Feb 18, 2013
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.0 | 1675 | 02:36:00 | 02:41:00 | 02:44:00 |
Solar flares on Feb 17, 2013
4 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.0 | 1675 | 19:57:00 | 20:00:00 | 20:02:00 |
| Flare of class M1.9 | 1675 | 15:45:00 | 15:50:00 | 15:52:00 |
| Flare of class C2.5 | 1675 | 15:26:00 | 15:40:00 | 15:43:00 |
| Flare of class C1.0 | 1675 | 00:31:00 | 00:36:00 | 00:38:00 |