Top 25 sunspot regions of 2020
On this page you will find an overview of the largest sunspot regions of the year 2020. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 2020/11/25 | 2786 | 1000 | 6 | CKO | |
| 2 | 2020/11/06 | 2781 | 475 | 13 | EKI | |
| 3 | 2020/10/29 | 2778 | 300 | 8 | EKO | |
| 4 | 2020/12/25 | 2794 | 220 | 1 | HSX | |
| 5 | 2020/12/24 | 2795 | 200 | 4 | DAO | |
| 6 | 2020/12/03 | 2785 | 160 | 1 | HSX | |
| 7 | 2020/08/05 | 2770 | 160 | 3 | CSO | |
| 8 | 2020/10/29 | 2779 | 140 | 7 | DAI | |
| 9 | 2020/06/05 | 2765 | 130 | 3 | CAO | |
| 10 | 2020/07/22 | 2767 | 120 | 1 | HSX | |
| 11 | 2020/12/03 | 2790 | 110 | 6 | HSX | |
| 12 | 2020/01/27 | 2757 | 100 | 2 | CSO | |
| 13 | 2020/10/18 | 2776 | 100 | 6 | CSO | |
| 14 | 2020/11/24 | 2783 | 100 | 4 | CSO | |
| 15 | 2020/12/01 | 2788 | 50 | 1 | AXX | |
| 16 | 2020/10/10 | 2775 | 50 | 5 | CRO | |
| 17 | 2020/08/19 | 2772 | 30 | 5 | CRO | |
| 18 | 2020/04/02 | 2759 | 30 | 2 | HRX | |
| 19 | 2020/12/16 | 2793 | 30 | 2 | CRO | |
| 20 | 2020/11/12 | 2782 | 30 | 6 | CRO | |
| 21 | 2020/11/21 | 2784 | 30 | 2 | CRO | |
| 22 | 2020/01/03 | 2755 | 30 | 4 | BXO | |
| 23 | 2020/01/09 | 2756 | 20 | 3 | BXO | |
| 24 | 2020/03/08 | 2758 | 20 | 3 | CRO | |
| 25 | 2020/12/05 | 2791 | 20 | 5 | BXO |
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| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/27 | M3.0 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 138.1 +30.7 |