Top 25 sunspot regions of 2013
On this page you will find an overview of the largest sunspot regions of the year 2013. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2013/01/12 | 1654 | 1100 | 36 | FKI | |
| 2 | 2013/04/25 | 1726 | 1000 | 17 | FKC | |
| 3 | 2013/11/06 | 1890 | 950 | 39 | EKC | |
| 4 | 2013/10/29 | 1875 | 770 | 15 | EKC | |
| 5 | 2013/07/06 | 1785 | 720 | 42 | EKC | |
| 6 | 2013/11/15 | 1899 | 630 | 10 | DKI | |
| 7 | 2013/11/14 | 1897 | 610 | 29 | EKC | |
| 8 | 2013/05/12 | 1745 | 600 | 15 | EKC | |
| 9 | 2013/05/04 | 1734 | 590 | 22 | EKI | |
| 10 | 2013/04/04 | 1711 | 580 | 19 | CKO | |
| 11 | 2013/06/06 | 1762 | 540 | 16 | EKO | |
| 12 | 2013/04/12 | 1718 | 510 | 23 | DKC | |
| 13 | 2013/10/16 | 1861 | 480 | 17 | DHO | |
| 14 | 2013/11/19 | 1893 | 480 | 15 | EKI | |
| 15 | 2013/02/22 | 1678 | 470 | 11 | DKC | |
| 16 | 2013/12/22 | 1928 | 460 | 28 | EKC | |
| 17 | 2013/10/31 | 1884 | 460 | 15 | EKC | |
| 18 | 2013/10/25 | 1877 | 440 | 19 | DKC | |
| 19 | 2013/04/27 | 1731 | 420 | 17 | DKC | |
| 20 | 2013/12/19 | 1917 | 420 | 4 | DKI | |
| 21 | 2013/06/19 | 1775 | 410 | 18 | DKC | |
| 22 | 2013/12/16 | 1921 | 400 | 9 | HKX | |
| 23 | 2013/01/07 | 1640 | 360 | 4 | EHO | |
| 24 | 2013/10/30 | 1882 | 360 | 34 | DKC | |
| 25 | 2013/12/02 | 1909 | 350 | 23 | DKC |
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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