An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



delta offset
  اپنه ِ دلتا  
apneh-e deltâ
Fr.: offset en déclinaison  

A short distance from the target, in → declination, where the → telescope is pointed for various purposes.

See also:delta; → offset.