Sunspot region AR11621
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/11/25 | 1 | 60 | HAX | N15E76 | |
| 2012/11/26 | 1 | 100 | HSX | N15E62 | |
| 2012/11/27 | 1 | 110 | HSX | N15E48 | |
| 2012/11/28 | 2 | 130 | CAO | N16E37 | |
| 2012/11/29 | 1 | 100 | CSO | N15E25 | |
| 2012/11/30 | 1 | 130 | HSX | N15E10 | |
| 2012/12/01 | 2 | 120 | CSO | N15W02 | |
| 2012/12/02 | 3 | 100 | CSO | N15W16 | |
| 2012/12/03 | 3 | 80 | CSO | N15W30 | |
| 2012/12/04 | 4 | 80 | DAO | N17W42 | |
| 2012/12/05 | 8 | 60 | DAO | N15W56 | |
| 2012/12/06 | 5 | 30 | DAO | N16W69 | |
| 2012/12/07 | 2 | 10 | AXX | N16W83 |
| B | C |
|---|---|
| 4 | 2 |
The top 6 solar flares from sunspot region 11621
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.71 | 2012/12/07 | 21:13 | 21:21 | 21:27 | |
| 2 | C1.22 | 2012/12/05 | 17:39 | 17:51 | 18:05 | |
| 3 | B6.72 | 2012/12/07 | 09:02 | 10:07 | 10:48 | |
| 4 | B6.38 | 2012/11/24 | 15:31 | 15:36 | 15:45 | |
| 5 | B3.63 | 2012/12/07 | 14:26 | 14:32 | 14:36 | |
| 6 | B2.73 | 2012/12/07 | 05:13 | 05:19 | 05:29 |
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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 |