an-pnmtofits - Convert PNM file to FITS.
an-pnmtofits [options] [input-file [output-file]]
Convert a PNM file to a FITS file. If no input file is given, stdin is used. If no output file is given, stdout is used.
The Astrometry.net team. Principal investigators are David W. Hogg (NYU) and Dustin Lang (CMU).