Top 25 sunspot regions of 2009
On this page you will find an overview of the largest sunspot regions of the year 2009. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2009/10/30 | 1029 | 380 | 9 | EKO | |
| 2 | 2009/12/19 | 1035 | 310 | 10 | ESI | |
| 3 | 2009/07/10 | 1024 | 230 | 5 | EAO | |
| 4 | 2009/09/25 | 1027 | 110 | 11 | DAO | |
| 5 | 2009/12/28 | 1039 | 100 | 7 | DSO | |
| 6 | 2009/06/02 | 1019 | 80 | 13 | CRO | |
| 7 | 2009/09/25 | 1026 | 70 | 1 | HSX | |
| 8 | 2009/12/22 | 1036 | 70 | 7 | DSO | |
| 9 | 2009/11/20 | 1033 | 60 | 7 | BXO | |
| 10 | 2009/01/12 | 1010 | 50 | 10 | BXO | |
| 11 | 2009/11/06 | 1030 | 50 | 5 | CRO | |
| 12 | 2009/06/23 | 1023 | 40 | 3 | CSO | |
| 13 | 2009/05/19 | 1017 | 30 | 4 | BXO | |
| 14 | 2009/05/24 | 1018 | 30 | 3 | BXO | |
| 15 | 2009/02/25 | 1013 | 20 | 2 | CSO | |
| 16 | 2009/03/07 | 1014 | 20 | 2 | BXO | |
| 17 | 2009/04/30 | 1016 | 20 | 5 | CAO | |
| 18 | 2009/11/19 | 1032 | 20 | 4 | BXO | |
| 19 | 2009/12/12 | 1034 | 20 | 3 | BXO | |
| 20 | 2009/06/09 | 1020 | 20 | 2 | BXO | |
| 21 | 2009/06/22 | 1022 | 20 | 2 | BXO | |
| 22 | 2009/12/22 | 1038 | 20 | 3 | CSO | |
| 23 | 2009/09/01 | 1025 | 10 | 2 | BXO | |
| 24 | 2009/01/20 | 1011 | 10 | 3 | BXO | |
| 25 | 2009/02/12 | 1012 | 10 | 1 | AXX |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 144.3 +52.5 |
| Last 30 days | 107.5 +8.8 |