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k | R |
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Observer: |
No. | Sunspot number | longitude | latitude | type | a | a' | radius | Sunspot number |
1 | 147 | 38 | 10.5 | D | 13.5 | 6.8 | 53 | 20 |
2 | 148 | 27 | 8 | E | 20.3 | 7.5 | 40 | 56 |
3 | 144 | 76 | -18.5 | D | 1.2 | 0.7 | 85 | 9 |
4 | 150 | 18 | -11 | A | 0.2 | 0.1 | 36 | 3 |