Complex sunspot region 4366
Sunday, 1 February 2026 19:12 UTC
Sunspot region 4366 has developed into a complex sunspot region with a magnetic Beta-Gamma-Delta layout. The region is impressive and has been producing strong solar flares today including two M5 events, two M6 events and even an X1.0 solar flare (R3-strong) that peaked at 12:33 UTC.
None of the solar flares have been eruptive thus far but there is some serious potential in this group as it rotates more and more into an earth-facing position in the days ahead. Expect more M-flare and perhaps even X-class activity in the next 24 hours. Any future eruptions have a good chance to be aimed at our planet.
Thank you for reading this article! Did you have any trouble with the technical terms used in this article? Our help section is the place to be where you can find in-depth articles, a FAQ and a list with common abbreviations. Still puzzled? Just post on our forum where we will help you the best we can!
Latest news
Complex sunspot region 4366
CME impact! S4 solar radiation storm
X1.9 solar flare with earth-directed CME
Latest forum messages
Support SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2026/02/01 | X1.0 |
| Last M-flare | 2026/02/01 | M1.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| Last 30 days | 119.2 +2.7 |