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Observer: |
No. | Sunspot number | longitude | latitude | type | a | a' | radius | Sunspot number |
1 | 261 | -15 | 60 | EAI | 7.8 | 5 | 77 | 20 |
2 | 263 | -20.5 | -45 | EAI | 9.7 | 4.7 | 69 | 17 |
3 | 264 | -11 | -40 | BXO | 0.2 | 0.1 | 59 | 3 |
4 | 265 | 14 | -80 | HSX | 0.6 | 0.6 | 85 | 1 |