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
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
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Tuesday, 11 November 2025
X5.1 solar flare, G4 geomagnetic storm watch
Latest forum messages
AR4299 M8.1 CME 2025/12/06 6AR 4299 73AR4294 / 4296 / 4298 334Electron event 8Incoming & Unnumbered Active Regions 18
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |