Sunspot region AR11548
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/19 | 8 | 120 | CAO | N20E76 | |
| 2012/08/20 | 7 | 80 | CSO | N19E62 | |
| 2012/08/21 | 3 | 30 | CSO | N20E47 | |
| 2012/08/22 | 2 | 40 | CSO | N18E32 | |
| 2012/08/23 | 6 | 40 | CSO | N18E18 | |
| 2012/08/24 | 6 | 30 | CSO | N18E04 | |
| 2012/08/25 | 5 | 20 | CSO | N18W09 |
| B | C | M |
|---|---|---|
| 7 | 12 | 8 |
The top 10 solar flares from sunspot region 11548
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M7.99 | 2012/08/18 | 00:24 | 01:02 | 01:07 | |
| 2 | M3.46 | 2012/08/17 | 13:12 | 13:19 | 13:23 | |
| 3 | M2.98 | 2012/08/18 | 16:02 | 16:07 | 16:09 | |
| 4 | M2.72 | 2012/08/18 | 03:17 | 03:23 | 03:30 | |
| 5 | M1.99 | 2012/08/18 | 23:15 | 23:22 | 23:32 | |
| 6 | M1.55 | 2012/08/18 | 22:46 | 22:54 | 23:00 | |
| 7 | M1.46 | 2012/08/17 | 17:08 | 17:20 | 17:27 | |
| 8 | M1.05 | 2012/08/18 | 14:18 | 14:27 | 14:30 | |
| 9 | C8.83 | 2012/08/18 | 06:09 | 06:18 | 06:31 | |
| 10 | C3.78 | 2012/08/18 | 08:30 | 08:37 | 08:40 |
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |