Sunspot region AR11905
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/11/24 | 3 | 60 | DSO | N19E71 | |
| 2013/11/25 | 11 | 80 | DAO | N18E57 | |
| 2013/11/26 | 7 | 50 | CSO | N18E45 | |
| 2013/11/27 | 4 | 10 | BXO | N19E32 | |
| 2013/11/28 | 5 | 10 | BXO | N18E21 |
2013/11/24
2013/11/25
2013/11/26
2013/11/27
2013/11/28
|
2013/11/24
2013/11/25
2013/11/26
2013/11/27
2013/11/28
|
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 11905
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.73 | 2013/11/23 | 17:48 | 17:53 | 17:57 | |
| 2 | C3.16 | 2013/11/23 | 15:48 | 15:56 | 16:04 | |
| 3 | C2.75 | 2013/11/23 | 08:43 | 08:46 | 08:48 |
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
Unexplained proton activity 107Ask your obscure/"stupid" space weather questions. 492AR4366 1016AR4374 13Feb 8-9 CMEs 25
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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 |