Top 25 sunspot regions of 1997
On this page you will find an overview of the largest sunspot regions of the year 1997. This page is updated daily. Sunspot information comes from the NOAA SWPC.
| Region | Size | Number of sunspots | Class Magn. | Class Spot | ||
|---|---|---|---|---|---|---|
| 1 | 1997/11/05 | 8100 | 1000 | 37 | FKC | |
| 2 | 1997/12/01 | 8113 | 940 | 46 | FSC | |
| 3 | 1997/09/11 | 8083 | 710 | 19 | DKO | |
| 4 | 1997/09/10 | 8085 | 650 | 23 | FKI | |
| 5 | 1997/12/24 | 8124 | 590 | 27 | EKC | |
| 6 | 1997/11/18 | 8108 | 420 | 36 | EKO | |
| 7 | 1997/09/26 | 8088 | 290 | 25 | EAI | |
| 8 | 1997/08/30 | 8076 | 280 | 32 | ESI | |
| 9 | 1997/09/11 | 8084 | 270 | 22 | DSI | |
| 10 | 1997/12/30 | 8126 | 230 | 7 | DKO | |
| 11 | 1997/09/16 | 8086 | 200 | 13 | DAI | |
| 12 | 1997/04/16 | 8031 | 170 | 6 | EAO | |
| 13 | 1997/05/23 | 8040 | 150 | 17 | DAO | |
| 14 | 1997/12/17 | 8123 | 150 | 10 | DSO | |
| 15 | 1997/06/04 | 8048 | 150 | 10 | DSO | |
| 16 | 1997/07/26 | 8065 | 150 | 11 | DSO | |
| 17 | 1997/03/31 | 8026 | 140 | 19 | ESO | |
| 18 | 1997/02/05 | 8015 | 140 | 14 | DAO | |
| 19 | 1997/04/12 | 8029 | 130 | 8 | DAO | |
| 20 | 1997/11/12 | 8103 | 120 | 4 | DAO | |
| 21 | 1997/03/07 | 8020 | 120 | 1 | HSX | |
| 22 | 1997/12/13 | 8122 | 120 | 14 | DSO | |
| 23 | 1997/12/11 | 8119 | 110 | 8 | DAO | |
| 24 | 1997/08/09 | 8069 | 110 | 8 | DSO | |
| 25 | 1997/08/12 | 8073 | 90 | 1 | HSX |
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