Octans (English spelling)
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The abbreviation is Oct. A minor constellation that includes the "South Celestial Pole." It is a new constellation established by French astronomer NL Lacaille, and commemorates the octant invented by British mathematician J. Hadley. It has no bright stars. Its approximate position is 21h0m in right ascension and -87° in declination. It reaches its highest point in the sky at 8pm in early October, but is not visible from Japan. [Ishida Goro] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
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略号はOct。〈天の南極〉を含む小星座。フランスの天文学者N.L.ラカイユが制定した新星座でイギリスの数学者J.ハドリーが考案した八分儀を記念したもの。輝星はない。概略位置は赤経21h0m，赤緯－87゜。午後8時の南中は10月上旬であるが，日本では見えない。【石田 五郎】
出典 株式会社平凡社世界大百科事典 第２版について 情報 |
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