Sunspot region AR11575
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/09/19 | 2 | 140 | DAO | N07E75 | |
| 2012/09/20 | 4 | 220 | EAO | N10E62 | |
| 2012/09/21 | 6 | 280 | EKO | N07E50 | |
| 2012/09/22 | 4 | 250 | EKO | N08E37 | |
| 2012/09/23 | 10 | 320 | EKO | N08E24 | |
| 2012/09/24 | 13 | 260 | EHO | N08E11 | |
| 2012/09/25 | 13 | 200 | ESO | N09W03 | |
| 2012/09/26 | 11 | 180 | ESO | N08W16 | |
| 2012/09/27 | 7 | 170 | DSO | N08W29 | |
| 2012/09/28 | 4 | 130 | HAX | N09W46 | |
| 2012/09/29 | 6 | 100 | HSX | N08W60 | |
| 2012/09/30 | 1 | 100 | HSX | N07W73 | |
| 2012/10/01 | 1 | 100 | HSX | N07W87 |
| B | C | M |
|---|---|---|
| 3 | 22 | 1 |
The top 10 solar flares from sunspot region 11575
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.42 | 2012/09/30 | 23:17 | 23:39 | 23:44 | |
| 2 | C6.99 | 2012/10/01 | 13:00 | 13:13 | 13:26 | |
| 3 | C6.91 | 2012/10/01 | 01:42 | 01:47 | 01:50 | |
| 4 | C4.04 | 2012/09/30 | 22:01 | 22:06 | 22:09 | |
| 5 | C3.63 | 2012/09/30 | 15:01 | 15:10 | 15:14 | |
| 6 | C3.38 | 2012/10/01 | 15:16 | 15:22 | 15:29 | |
| 7 | C3.35 | 2012/09/30 | 14:21 | 14:26 | 14:33 | |
| 8 | C3.08 | 2012/09/17 | 13:50 | 14:06 | 14:13 | |
| 9 | C2.76 | 2012/09/30 | 22:39 | 22:43 | 22:47 | |
| 10 | C2.65 | 2012/10/01 | 04:58 | 05:04 | 05:09 |
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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 |