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Reading fits headers within Starlink (.sdf files)

Starlink has its own image format (the NDF format, .sdf extension) which is not perhaps so convenient as the fits format. Nevertheless, there are ways to read the contents of the fits headers of your .sdf files, depending on the program you are working with.

With KAPPA you can use the command:
$ fitslist file.sdf
while with FIGARO you can use the:
$ fitskeys file.sdf.

In any case you should first invoke the appropriate application (either KAPPA of FIGARO).