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Observer: |
No. | Sunspot number | longitude | latitude | type | a | a' | radius | Sunspot number |
1 | 156 | -10 | 72 | DHI | 6.1 | 4.2 | 84 | 5 |
2 | 154 | -11 | 35 | HHX | 9.2 | 9.1 | 55 | 4 |
3 | 157 | -5 | 26 | DRI | 2.1 | 1.1 | 42 | 7 |
4 | 158 | 3 | -71 | DHI | 3.2 | 2.2 | 82 | 5 |