Sunspot region AR12151
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2014/08/24 | 1 | 90 | HSX | S07E71 | |
| 2014/08/25 | 1 | 110 | HAX | S07E58 | |
| 2014/08/26 | 2 | 140 | CSO | S08E47 | |
| 2014/08/27 | 1 | 110 | HSX | S08E32 | |
| 2014/08/28 | 1 | 140 | HAX | S08E19 | |
| 2014/08/29 | 1 | 120 | HSX | S07E06 | |
| 2014/08/30 | 1 | 120 | HSX | S07W07 | |
| 2014/08/31 | 1 | 120 | HSX | S07W21 | |
| 2014/09/01 | 3 | 110 | CSO | S07W34 | |
| 2014/09/02 | 1 | 100 | HSX | S07W48 | |
| 2014/09/03 | 2 | 80 | HAX | S08W62 | |
| 2014/09/04 | 2 | 80 | HAX | S07W74 | |
| 2014/09/05 | 2 | 60 | HAX | S08W88 | |
| 2014/09/06 | 2 | 60 | HAX | S08W0* |
2014/08/24
2014/08/25
2014/08/26
2014/08/27
2014/08/28
2014/08/29
2014/08/30
2014/08/31
2014/09/01
2014/09/02
2014/09/03
2014/09/04
2014/09/05
|
2014/08/24
2014/08/25
2014/08/26
2014/08/27
2014/08/28
2014/08/29
2014/08/30
2014/08/31
2014/09/01
2014/09/02
2014/09/03
2014/09/04
2014/09/05
|
| B | C | M |
|---|---|---|
| 4 | 1 | 1 |
The top 6 solar flares from sunspot region 12151
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M8.58 | 2014/08/24 | 12:00 | 12:17 | 12:25 | |
| 2 | C2.11 | 2014/08/27 | 02:30 | 02:35 | 02:39 | |
| 3 | B9.82 | 2014/08/28 | 23:48 | 23:52 | 23:57 | |
| 4 | B9.49 | 2014/08/27 | 22:46 | 22:49 | 22:53 | |
| 5 | B8.81 | 2014/08/28 | 18:45 | 18:50 | 18:55 | |
| 6 | B7.97 | 2014/08/28 | 19:35 | 19:39 | 19:44 |
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? 56Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21AR4366 999AR4362 19
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | 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 | 137.7 +25.1 |
| Last 30 days | 127.6 +24.1 |