| A | B | C | D | E | |
| date | x | y | r | theta |
|---|
| 1 | 1876.0 | 6.36 | 9.33 | ||
| 2 | 1878.1 | 6.51 | 8.45 | ||
| 3 | 1879.2 | 6.65 | 7.93 | ||
| 4 | 1879.2 | 6.84 | 7.68 | ||
| 5 | 1880.1 | 6.86 | 6.99 | ||
| 6 | 1882.0 | 6.81 | 6.31 | ||
| 7 | 1883.1 | 6.63 | 5.83 | ||
| 8 | 1884.1 | 6.66 | 5.05 | ||
| 9 | 1885.2 | 6.42 | 4.30 | ||
| 10 | 1886.0 | 6.31 | 3.77 | ||
| 11 | 1887.2 | 5.95 | 2.73 | ||
| 12 | 1889.1 | 4.90 | 1.27 | ||
| 13 | 1890.3 | 4.01 | -0.02 | ||
| 14 | 1897.0 | -3.61 | -0.46 | ||
| 15 | 1897.8 | -4.41 | 0.49 | ||
| 16 | 1897.9 | -3.83 | 0.35 | ||
| 17 | 1899.1 | -3.82 | 1.64 | ||
| 18 | 1899.5 | -4.35 | 1.50 | ||
| 19 | 1899.8 | -3.96 | 2.36 | ||
| 20 | 1900.4 | -3.63 | 2.87 | ||
| 21 | 1901.2 | -3.48 | 3.63 | ||
| 22 | 1902.0 | -3.41 | 4.33 | ||
| 23 | 1903.1 | -2.92 | 5.28 | ||
| 24 | 1903.8 | -2.60 | 5.71 | ||
| 25 | 1904.8 | -2.41 | 6.52 | ||
| 26 | 1905.0 | -2.20 | 6.45 | ||
| 27 | 1906.1 | -1.70 | 7.21 | ||
| 28 | 1907.0 | -1.30 | 7.71 | ||
| 29 | 1908.3 | -0.70 | 8.41 | ||
| 30 | 1909.1 | -0.37 | 8.74 | ||
| 31 | 1911.0 | 0.25 | 9.29 | ||
| 32 | 1911.9 | 0.79 | 9.65 | ||
| 33 | 1913.0 | 1.28 | 9.87 | ||
| 34 | 1914.0 | 1.77 | 10.07 | ||
| 35 | 1915.1 | 2.29 | 10.11 | ||
| 36 | 1916.8 | 2.74 | 10.24 | ||
| 37 | 1918.0 | 3.36 | 10.42 | ||
| 38 | 1920.1 | 4.03 | 10.31 | ||
| 39 | 1921.1 | 4.43 | 10.32 | ||
| 40 | 1922.1 | 4.72 | 10.14 | ||
| 41 | 1923.1 | 5.07 | 10.13 | ||
| 42 | 1924.1 | 5.37 | 9.91 | ||
| 43 | 1925.1 | 5.59 | 9.48 | ||
| 44 | 1926.2 | 6.00 | 9.19 | ||
| 45 | 1935.3 | 6.80 | 4.73 | ||
| 46 | 1936.1 | 6.06 | 3.75 | ||
| 47 | 1937.2 | 5.81 | 2.78 | ||
| 48 | 1938.2 | 5.39 | 1.92 |
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