Sunspot region AR10840
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2005/12/25 | 1 | 50 | HSX | S03E66 | |
| 2005/12/26 | 1 | 40 | HAX | S03E53 | |
| 2005/12/27 | 3 | 50 | CSO | S03E40 | |
| 2005/12/28 | 1 | 30 | HSX | S03E27 | |
| 2005/12/29 | 2 | 20 | HSX | S03E14 | |
| 2005/12/30 | 6 | 30 | CSO | S03E01 | |
| 2005/12/31 | 2 | 20 | HSX | S02W13 | |
| 2006/01/01 | 1 | 20 | HSX | S03W26 | |
| 2006/01/02 | 1 | 10 | HAX | S03W40 | |
| 2006/01/03 | 1 | 10 | AXX | S03W53 | |
| 2006/01/04 | 1 | 0 | AXX | S03W67 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 10840
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B1.73 | 2006/01/05 | 05:42 | 05:46 | 05:51 |
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
Do the high-resolution sunspot counts point to more complex sunspots? 57Current Farside Activity 371Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21AR4366 999
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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 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |