• The Point Spread Function Variations inside Wide-field Astonomical Images 

      Autor: Anisimova , Elena; Bednář , Jan; Páta , Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2013)
      The Point Spread Function (PSF) of the astronomical imaging system is usually approximated by a Gaussian or Moffat function. For simplification, the astronomical imaging system is considered to be time and space invariant. ...