Sunspot region AR11644
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/03 | 2 | 80 | ESO | N15E66 | |
| 2013/01/04 | 2 | 60 | HSX | N14E48 | |
| 2013/01/05 | 1 | 40 | HSX | N15E35 | |
| 2013/01/06 | 4 | 50 | CSO | N15E20 | |
| 2013/01/07 | 3 | 40 | CSO | N15E09 | |
| 2013/01/08 | 1 | 60 | HSX | N15W06 | |
| 2013/01/09 | 1 | 40 | HAX | N15W19 | |
| 2013/01/10 | 1 | 20 | HAX | N13W31 | |
| 2013/01/11 | 1 | 20 | HSX | N15W44 | |
| 2013/01/12 | 1 | 20 | HSX | N15W58 | |
| 2013/01/13 | 1 | 20 | HSX | N15W72 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 11644
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.12 | 2013/01/03 | 19:16 | 19:27 | 19:38 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4409 153Comet C/2026 A1 (MAPS) for the southern hemisphere 49AR4405 242Current Farside Activity 438Incoming & Unnumbered Active Regions 257
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.3 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |
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