Provided by: gnuastro_0.11-1build1_amd64 bug


       Fits - view and manipulate FITS headers


       astfits [OPTION...] ASTRdata


       Fits  is  part  of  GNU  Astronomy Utilities 0.11.  Fits allows you to view and manipulate
       (add, delete, or modify) FITS extensions (or HDUs) and FITS  header  keywords  within  one

       For  more  information, please run any of the following commands. In particular the second
       contains a  very  comprehensive  explanation  of  Fits's  invocation:  expected  input(s),
       output(s), and a full description of all the options.

       All options and their values:
              $ astfits -P

       Inputs/Outputs and options:
              $ info astfits

       Full section in manual/book:
              $ info Fits

       Full Gnuastro manual/book:
              $ info gnuastro

       If  you  couldn't find your answer in the manual, you can get direct help from experienced
       Gnuastro users and developers. For more information, please run:

              $ info help-gnuastro

       Fits options:


       -h, --hdu=STR/INT
              Extension name or number of input data.


       -K, --keepinputdir
              Keep input directory for automatic output.

              HDU/extension in output for --copykeys.

       -o, --output=STR
              Output file name (only for writing HDUs).

              HDUs (extensions):

       -C, --copy=STR
              Copy extension to output file.

       -k, --cut=STR
              Copy extension to output and remove from input.

       -n, --numhdus
              Print number of HDUs in the given FITS file.

              Copy/cut image HDUs to primary/zero-th HDU.

       -R, --remove=STR
              Remove extension from input file.

              Keywords (in one HDU):

       -a, --asis=STR
              Write the argument string as is into the header.

       -c, --comment=STR
              Add COMMENT keyword, any length is ok.

              Range of keywords to copy to output HDU.

       -d, --delete=STR
              Delete a keyword from the header.

       -H, --history=STR
              Add HISTORY keyword, any length is ok.

       -p, --printallkeys
              Print all keywords in the selected HDU.

       -r, --rename=STR
              Rename keyword, keeping value and comments.

       -s, --datetosec=STR
              FITS date to sec from 1970/01/01T00:00:00

       -t, --date
              Set the DATE keyword to the current time.

       -u, --update=STR
              Update a keyword value or comments.

       -v, --verify
              Verify the CHECKSUM and DATASUM keywords.

       -w, --write=STR
              Write a keyword (with value, comments and units).

              Operating modes:

       -?, --help
              give this help list

              List all config files and variables read.

       --cite BibTeX citation for this program.

              Read configuration file STR immediately.

              Do not parse any more configuration files.

              Minimum bytes in array to not use ram RAM.

              Only run if the program version is STR.

       -P, --printparams
              Print parameter values to be used and abort.

       -q, --quiet
              Only report errors, remain quiet about steps.

              Don't print mmap'd file's name and size.

       -Q, --quitonerror
              Quit if there is an error on any action.

       -S, --setdirconf
              Set default values for this directory and abort.

              give a short usage message

       -U, --setusrconf
              Set default values for this user and abort.

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory  or  optional  for  any
       corresponding short options.

       GNU Astronomy Utilities home page:


       Report bugs to


       Copyright  © 2015-2019, Free Software Foundation, Inc.  License GPLv3+: GNU General public
       license version 3 or later.
       This is free software: you are free to change and redistribute it.  There is NO  WARRANTY,
       to the extent permitted by law.

       Written/developed by Mohammad Akhlaghi


       The  full  documentation for Fits is maintained as a Texinfo manual.  If the info and Fits
       programs are properly installed at your site, the command

              info Fits

       should give you access to the complete manual.