An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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photographic magnitude
  بُرز ِ عکسبرداریک  
borz-e aksbardârik
Fr.: magnitude photographique  

The apparent magnitude of a star as determined by measuring its brightness on a photographic plate. The photographic magnitude scale is now considered obsolete.

See also: Adj. of → photography; → magnitude.