Sunspot region AR12905
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/12/12 | 2 | 30 | CRO | S10E44 | |
| 2021/12/13 | 3 | 20 | CRO | S11E30 | |
| 2021/12/14 | 1 | 10 | HRX | S11E17 | |
| 2021/12/15 | 1 | 0 | AXX | S11E03 | |
| 2021/12/16 | 1 | 10 | AXX | S12W11 |
2021/12/12
2021/12/13
2021/12/14
2021/12/15
2021/12/16
|
2021/12/12
2021/12/13
2021/12/14
2021/12/15
2021/12/16
|
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Latest forum messages
Current Farside Activity 345Broad-spectrum aurora pillars 12Incoming & Unnumbered Active Regions 126New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 66Filaments and prominences 474
More topicsSupport 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 | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.4 -4.6 |
| Last 30 days | 121.1 +6.3 |