NAME
zap - to remove cosmic rays from image files
SYNOPSIS
zap file [window=] [outfile=]
DESCRIPTION
This routine takes a starlist in
star format
from stdin and then performs a
median filtering of size window and replaces each
location in the starlist with the median value.
The number of pixels overwritten is printed to standard output.
Also the keyword ZAPCOUNT are written.
OPTIONS
window= sets the number of rows in the little box to
take the median (default: 3).
outfile= specifies the output FITS filename.
If not specified the input file is overwritten.
XVista index