An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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align a telescope
  آختیدن ِ دوربین، ~ تلسکوپ  
âxatidan-e durbin, ~ teleskop
Fr.: aligner un télescope  

Setting the axis of a telescope parallel to prime directions. In equatorial mounting, they are made parallel with the Earth’s axis of rotation and the equator respectively. → collimation.

See also: → align; → telescope.