Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Dec 12, 2021 and Dec 13, 2021 (GOES-16)
Solar flares on Dec 13, 2021
No solar flares of C, M and X-class were observed
Solar flares on Dec 12, 2021
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.2 | 0 | 21:09:00 | 21:14:00 | 21:22:00 |