太陽の子午線高度のみを観測することに依って正午位置を求めるための一考察
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概要
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(1) It is possible for us to get good results by this method in the following cases. (a) The relation between latitude and beclination is inappropriate for the ex-meridian observation. (b) The zenith distance of the sun's meridian passage lies within 10 degrees. (c) Special cases such as the tuna fishery by Long-Line in the southern sea. (2) In the above mentioned cases noon position may be fixed by merely observing the sun's meridian passage. (3) Error of the possition between above mentioned method and the ordinary one is not of a great difference.
- 1956-01-30
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