Sunspot region AR11255
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/07/15 | 3 | 10 | AXX | N17E45 | |
| 2011/07/16 | 3 | 0 | BXO | N18E33 | |
| 2011/07/18 | 3 | 10 | BXO | N18E07 | |
| 2011/07/19 | 5 | 20 | CRO | N18W06 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 11255
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B6.19 | 2011/07/18 | 23:31 | 23:40 | 23:58 |
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 654New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 73X8 CME 10X1.9 CME 1363Current Farside Activity 351
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/03 | M3.6 |
| 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 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |