Sunspot region AR11634
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/12/16 | 1 | 90 | HSX | S13E69 | |
| 2012/12/17 | 1 | 90 | HSX | S12E56 | |
| 2012/12/18 | 1 | 70 | HSX | S13E42 | |
| 2012/12/19 | 5 | 80 | HSX | S13E28 | |
| 2012/12/20 | 2 | 60 | HSX | S13E14 | |
| 2012/12/21 | 2 | 60 | HSX | S13W00 | |
| 2012/12/22 | 2 | 60 | HSX | S13W12 | |
| 2012/12/23 | 7 | 60 | CSO | S12W25 | |
| 2012/12/24 | 7 | 50 | CAO | S13W33 | |
| 2012/12/25 | 3 | 20 | CAO | S13W47 |
| B | C |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 11634
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.36 | 2012/12/18 | 19:59 | 20:03 | 20:07 | |
| 2 | C1.05 | 2012/12/17 | 07:31 | 07:37 | 07:43 | |
| 3 | B6.14 | 2012/12/20 | 16:21 | 16:34 | 16:40 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 1009AR4374 11Space Weather Memes 793Feb 8-9 CMEs 24Do the high-resolution sunspot counts point to more complex sunspots? 59
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 132.1 +19.5 |
| Last 30 days | 128.6 +27.4 |