Sunspot region AR11620
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/11/21 | 1 | 40 | CSO | S08E59 | |
| 2012/11/22 | 1 | 20 | HSX | S08E44 | |
| 2012/11/23 | 1 | 60 | HSX | S12E30 | |
| 2012/11/24 | 2 | 90 | HAX | S13E16 | |
| 2012/11/25 | 5 | 20 | CSO | S12W00 | |
| 2012/11/26 | 12 | 50 | DAI | S13W14 | |
| 2012/11/27 | 23 | 240 | ESI | S13W28 | |
| 2012/11/28 | 22 | 260 | EKC | S12W43 | |
| 2012/11/29 | 20 | 420 | EKC | S12W57 | |
| 2012/11/30 | 16 | 350 | EKC | S13W69 | |
| 2012/12/01 | 8 | 180 | EAI | S13W81 |
| B | C | M |
|---|---|---|
| 2 | 34 | 3 |
The top 10 solar flares from sunspot region 11620
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.22 | 2012/11/28 | 21:20 | 21:36 | 21:48 | |
| 2 | M1.54 | 2012/11/27 | 21:05 | 21:26 | 21:30 | |
| 3 | M1.02 | 2012/11/27 | 23:02 | 23:24 | 23:37 | |
| 4 | C8.52 | 2012/11/27 | 02:10 | 02:15 | 02:20 | |
| 5 | C7.77 | 2012/11/30 | 16:56 | 17:48 | 18:10 | |
| 6 | C6.92 | 2012/11/28 | 12:13 | 12:24 | 12:33 | |
| 7 | C5.32 | 2012/11/29 | 07:03 | 07:10 | 07:18 | |
| 8 | C4.62 | 2012/11/27 | 18:12 | 18:17 | 18:19 | |
| 9 | C4.33 | 2012/11/28 | 17:38 | 17:58 | 18:06 | |
| 10 | C3.4 | 2012/11/26 | 15:22 | 15:26 | 15:29 |
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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 |