Sunspot region AR11554
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/25 | 11 | 60 | DAI | N16E12 | |
| 2012/08/26 | 9 | 170 | DSI | N16W00 | |
| 2012/08/27 | 11 | 140 | DAO | N16W15 | |
| 2012/08/28 | 6 | 110 | DAO | N16W27 | |
| 2012/08/29 | 5 | 30 | CSO | N17W40 | |
| 2012/08/30 | 6 | 50 | DSO | N17W54 | |
| 2012/08/31 | 5 | 90 | DAO | N16W65 | |
| 2012/09/01 | 9 | 160 | DAO | N15W79 | |
| 2012/09/02 | 4 | 160 | DAO | N15W94 |
| B | C | M |
|---|---|---|
| 2 | 7 | 1 |
The top 10 solar flares from sunspot region 11554
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.09 | 2012/08/30 | 08:31 | 09:12 | 09:16 | |
| 2 | C4.99 | 2012/08/30 | 01:37 | 01:52 | 01:58 | |
| 3 | C4.99 | 2012/09/01 | 00:28 | 00:39 | 00:49 | |
| 4 | C4.2 | 2012/09/01 | 18:23 | 18:28 | 18:34 | |
| 5 | C2.48 | 2012/08/25 | 02:24 | 02:36 | 02:55 | |
| 6 | C1.39 | 2012/08/30 | 04:42 | 04:45 | 04:47 | |
| 7 | C1.17 | 2012/08/29 | 09:19 | 09:44 | 09:52 | |
| 8 | C1.11 | 2012/08/27 | 06:05 | 06:12 | 06:22 | |
| 9 | B7.22 | 2012/08/26 | 01:00 | 01:06 | 01:10 | |
| 10 | B6.72 | 2012/08/28 | 18:10 | 18:14 | 18:18 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.5 |
| 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 | 160.6 +68.8 |
| Last 30 days | 108 +10.6 |