Sunspot region AR12391
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/07/28 | 1 | 40 | HSX | N05E71 | |
| 2015/07/29 | 1 | 50 | HSX | N07E56 | |
| 2015/07/30 | 1 | 60 | HSX | N06E44 | |
| 2015/07/31 | 2 | 60 | HAX | N06E31 | |
| 2015/08/01 | 1 | 50 | HAX | N07E17 | |
| 2015/08/02 | 3 | 20 | HAX | N06E03 | |
| 2015/08/03 | 1 | 10 | AXX | N07W10 | |
| 2015/08/04 | 1 | 1 | AXX | N06W23 | |
| 2015/08/05 | 1 | 10 | AXX | N07W32 |
2015/07/28
2015/07/29
2015/07/30
2015/07/31
2015/08/01
2015/08/02
2015/08/03
2015/08/04
2015/08/05
|
2015/07/28
2015/07/29
2015/07/30
2015/07/31
2015/08/01
2015/08/02
2015/08/03
2015/08/04
2015/08/05
|
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 12391
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.38 | 2015/08/03 | 05:37 | 05:48 | 05:56 |
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
AR 4373 4Filaments and prominences 486Do the high-resolution sunspot counts point to more complex sunspots? 61AR4366 1020Yes, we really went to the moon before. 1
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.3 |
| 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 | 129.4 +16.8 |
| Last 30 days | 129.3 +29.3 |