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N | S | N+S | |
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k | R |
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Observer: |
No. | Sunspot number | longitude | latitude | type | a | a' | radius | Sunspot number |
1 | 169 | 73 | 15.5 | A | 0.1 | 0.1 | 83 | 1 |
2 | 170 | -40 | 17 | C | 0.7 | 0.4 | 59 | 9 |
3 | 171 | 9 | 16 | B | 0.2 | 0.1 | 27 | 5 |
4 | 172 | -14.5 | 15.5 | C | 1.5 | 1.1 | 30 | 14 |