Sunspot region AR11521
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/07/10 | 11 | 110 | DAO | S22E21 | |
| 2012/07/11 | 17 | 190 | DSI | S22E05 | |
| 2012/07/12 | 15 | 150 | ESO | S22W07 | |
| 2012/07/13 | 18 | 210 | ESI | S21W21 | |
| 2012/07/14 | 16 | 260 | EKI | S21W34 | |
| 2012/07/15 | 16 | 280 | EKI | S21W47 | |
| 2012/07/16 | 17 | 300 | EKI | S21W60 | |
| 2012/07/17 | 8 | 220 | EAO | S22W71 | |
| 2012/07/18 | 4 | 140 | DSO | S19W85 |
| C | M |
|---|---|
| 11 | 4 |
The top 10 solar flares from sunspot region 11521
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.48 | 2012/07/14 | 04:51 | 04:58 | 05:05 | |
| 2 | M1.42 | 2012/07/11 | 08:24 | 08:31 | 08:37 | |
| 3 | M1.18 | 2012/07/10 | 13:39 | 13:45 | 13:49 | |
| 4 | M1.01 | 2012/07/10 | 04:31 | 04:39 | 04:45 | |
| 5 | C5.99 | 2012/07/10 | 09:00 | 09:04 | 09:08 | |
| 6 | C5.58 | 2012/07/16 | 21:35 | 21:39 | 21:45 | |
| 7 | C4.92 | 2012/07/11 | 05:26 | 05:33 | 05:38 | |
| 8 | C3.5 | 2012/07/13 | 06:23 | 06:29 | 06:37 | |
| 9 | C3.49 | 2012/07/17 | 04:03 | 04:15 | 04:21 | |
| 10 | C2.87 | 2012/07/14 | 07:31 | 07:34 | 07:37 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.3 +22.5 |
| Last 30 days | 111.6 +25.7 |