国立情報学研究所 - ディジタル・シルクロード・プロジェクト
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Report of a Mission to Yarkund in 1873 : vol.1 | |
1873年ヤルカンド派遣報告 : vol.1 |
Chang-Chenmo(チャンチェモー?)及びSháhidúlla(シャーヒドゥーラ?)経由で レーからヤルカンドまでの途上で緯度に関する観測の抜粋 .Abstract of Observations for Latitude on road from LEH to YARKAND viâ Chang-Chenmo and Sháhidúlla. |
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to YARKAND viâ Chang-Chenmo and Shâhidûlla.
Double altitudes or zenith | ELEMENTS USED IN COMPUTATION OF REFRACTION. |
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| DEDUCED LATITIIDES. |
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Baro- meter. | Ther. Faht. | By stars north of zenith. | By sun or stars south of zenith. | Final latitudes north. | |||||||||
o | I | // | Inches. | Degrees. | o |
| i | o | ► | n | o | I | U |
Z. D. 30 | 47 | 40 | 15.8 | 44 |
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| 34 | 4 | 49 | 34 | 4 | 49 |
D. A. 51 | 27 | 20 | 18.2 | 51 |
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| 34 | 0 | 1 |
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„ 129 | 5 | 10 | 18.2 | 51 |
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| 33 | 59 | 55 |
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51 | 27 | 0 | 18.2 | 51 |
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| 34 | 0 | 12 |
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„ 114 | 38 | 20 | 18.2 | 51 |
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| 34 | 0 | 23 |
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Z. D. 32 | 17 | 12 | 18.0 | 61 |
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| 33 | 59 | 57 | 34 | 0 | 6 |
D. A. 51 | 17 | 20 | 17.6 | 33 |
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| 34 | 5 | 4 |
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70 » | 55 | 50 | 17.6 | 33 | 34 | 5 | 6 |
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128 | 55 | 40 | 17.6 | 33 |
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| 34 | 4 | 40 | 34 | 4 | 59 |
D. A. 128 | 24 | 10 | 17.0 | 44 |
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| 34 | 20 | 24 |
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» 50 | 47 | 10 | 17.0 | 44 |
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| 34 | 20 | 4 |
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128 | 23 | 0 | 17.0 | 44 |
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| 34 | 21 | 1 |
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,, 50 | 41 | 40 | 170 | 44 |
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| 34 | 22 | 49 |
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71 | 27 | 30 | 17.0 | 44 | 34 | 21 | 1 |
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| 34 | 21 | 4 |
D. A. 128 | 7 | 0 | 16.3 | 44 |
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| 34 | 28 | 59 |
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„ 94 | 21 | 10 | 16.3 | 44 |
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| 34 | 29 | 13 | 34 | 29 | 6 |
D. A. 127 | 55 | 53 |
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| 34 | 34 | 33 |
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„ 71 | 56 | 33 | ,, |
| 34 | 35 | 32 |
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| 34 | 35 | 3 |
D. A. 127 | 29 | 33 |
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| 34 | 47 | 45 |
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» 72 | 23 | 13 | » |
| 34 | 48 | 51 |
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93 | 47 | 23 |
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| 34 | 46 | 10 | 34 | 47 | 54 |
D. A. 126 | 32 | 43 |
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| 35 | 16 | 9 |
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„ 73 | 19 | 43 |
| ,, | 35 | 17 | 9 |
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| 35 | 16 | 39 |
REMARKS.
I In observations with the sextant the stars have been invariably taken on the meridian. In observations with the theodolite the stars have been taken on the meridian except where an asterisk has been affixed to the name of the star (in column 6). Where this occurs the numbers in the column of Remarks are the computed means of the true local times of observation used in the computa-
tion for latitude. The
numbers in brackets in columns 7, 10, and 11, denote the number of pairs (face left and face right) of observations taken. The corresponding figures in column 7 give the corrected mean zenith distance.
The theodolite employed is described in the Geographical Appendix, Section B.
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