Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 27, 2012 and Sep 28, 2012 (GOES-15)
Solar flares on Sep 28, 2012
No solar flares of C, M and X-class were observed
Solar flares on Sep 27, 2012
2 solar flares were observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C3.7 | 1577 | 23:36:00 | 23:57:00 | 24:34:00 |
| Flare of class C4.4 | 1579 | 17:04:00 | 17:20:00 | 17:30:00 |