Provided by: wcstools_3.9.5-2_amd64 

NAME
addpix - AME
SYNOPSIS
addpix [-vn] file.fts x y value...
DESCRIPTION
Add to pixel of FITS or IRAF image file
-n: write new file, else overwrite
-v: verbose
addpix 3.9.5 January 2018 ADDPIX(1)