An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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apparent setting
  فروشد ِ پدیدار  
forušod-e padidâr
Fr.: coucher apparent  

The instant of time when the object is in the West and the geometric → zenith distance is equal to 90° plus the → horizontal refraction plus the semidiameter minus the → parallax.

See also: → apparent; → setting.