Development of a Spreadsheet for Accurately Drawing the Loci of the Planisphere’s Horizon at Each Latitude

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  • 星座早見の地平線の軌跡を描く資料
  • セイザ ハヤミ ノ チヘイセン ノ キセキ オ エガク シリョウ

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Abstract

<p>The horizon of the Planisphere is different in shape depending on the latitude. Early research into this topic looked for numerical values such as the azimuth of the horizon at arbitrary latitudes. However, they had to tie the resulting numbers together by freehand, with lines. So, my research objective was to “demonstrate the document in which I can graph the trajectory of the planisphere’s horizon accurately for each latitude by utilizing spreadsheet software.” In this paper, I describe the process of drawing the trajectory of the horizon from the previous research.</p>

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