CONV NORM # 5x5 convolution mask of a gaussian PSF with FWHM = 2.0 pixels. 0.006319 0.040599 0.075183 0.040599 0.006319 0.040599 0.260856 0.483068 0.260856 0.040599 0.075183 0.483068 0.894573 0.483068 0.075183 0.040599 0.260856 0.483068 0.260856 0.040599 0.006319 0.040599 0.075183 0.040599 0.006319