[fitsbits] crop FITS images

[Bill Cotton]

Michael Olberg writes:
 > Hi,
 > 
 > A student in our department looks for a tool that would allow her to
 > cut down FITS images to a smaller size and then store the cropped
 > picture again as a FITS file with updated coordinate information in
 > the header. I guess AIPS, IRAF, Midas etc. would be able to do this,
 > but I wondered if anybody knows of smaller, stand-alone programs for
 > this kind of job. It should run under Linux.
 > 

   Try
ftp://ftp.cv.nrao.edu/NRAO-staff/bcotton//software/postage.tar.gz
(also needs cfitsio).  It does this and allows changing the geometry.

-Bill Cotton