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Observer: |
No. | Sunspot number | longitude | latitude | type | a | a' | radius | Sunspot number |
1 | 89 | 21 | 56 | EAI | 7.4 | 4.3 | 71 | 13 |
2 | 90 | -24 | 33 | FHI | 12.6 | 11.3 | 60 | 13 |
3 | 91 | 26 | -33.5 | DSI | 6.1 | 4 | 53 | 11 |