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Observer: |
No. | Sunspot number | longitude | latitude | type | a | a' | radius | Sunspot number |
1 | 161 | 12 | 20 | EAI | 6.6 | 5.2 | 30 | 20 |
2 | 162 | -17 | 57 | BXO | 0.3 | 0.1 | 75 | 6 |
3 | 163 | -11 | 11 | CRI | 1.4 | 1.2 | 28 | 8 |
4 | 164 | -12 | -29 | CSO | 7.5 | 7.4 | 48 | 4 |