Sun flares
X-ray index
Diagram of the solar flare activity
X-ray emission of the Sun on Jan 20, 2021 and Jan 21, 2021 (GOES-16)
Solar flares on Jan 21, 2021
No solar flares of C, M and X-class were observed
Solar flares on Jan 20, 2021
1 solar flare was observed :
| Active region | Begin, UT | Max, UT | End, UT | |
|---|---|---|---|---|
| Flare of class C1.4 | 2798 | 12:35:00 | 12:53:00 | 12:59:00 |