Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Sep 27, 2017 and Sep 28, 2017 (GOES-15)
Solar flares on Sep 28, 2017
No solar flares of C, M and X-class were observed
Solar flares on Sep 27, 2017
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.7 | 2683 | 00:50:00 | 01:01:00 | 01:07:00 |