Sunspot region AR11637
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/12/27 | 1 | 10 | AXX | N06E47 | |
| 2012/12/28 | 1 | 10 | AXX | N06E34 | |
| 2012/12/29 | 1 | 10 | AXX | N06E20 | |
| 2012/12/30 | 1 | 0 | AXX | N06E07 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 11637
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.12 | 2012/12/30 | 05:50 | 05:55 | 06:02 |
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
Forum alert bar hidden at the bottom 3Broad-spectrum aurora pillars 42Filaments and prominences 481Incoming & Unnumbered Active Regions 137CH 17 12
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 | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.2 -4.8 |
| Last 30 days | 119.5 +1.5 |