Sunspot region AR11508
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/06/14 | 20 | 80 | DAI | S28W06 | |
| 2012/06/15 | 12 | 70 | DSI | S28W20 | |
| 2012/06/16 | 9 | 50 | CAO | S28W31 | |
| 2012/06/17 | 9 | 70 | DSO | S29W44 | |
| 2012/06/18 | 5 | 60 | HSX | S29W56 | |
| 2012/06/19 | 1 | 30 | HRX | S28W70 | |
| 2012/06/20 | 1 | 30 | HSX | S28W81 |
| B | C |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 11508
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.97 | 2012/06/13 | 23:25 | 00:02 | 00:21 | |
| 2 | C1.54 | 2012/06/18 | 06:41 | 07:14 | 08:01 | |
| 3 | B9.25 | 2012/06/18 | 21:32 | 21:36 | 21:39 |
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 755Space Weather Memes 78650 mhz F2 83X8 CME 17Do the high-resolution sunspot counts point to more complex sunspots? 48
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M3.4 |
| 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 | 133 +9 |
| Last 30 days | 120.6 +10.9 |