FITS WCS with Terrestrial Satellite Data

[Guy Rixon]

Louis Giglio wrote:

> 2) EQUINOX keyword
>
> For terrestrial data this keyword has no meaning.  Is it OK to omit
> it?

NASA's FITS standard (draft of NOST 100-1.2) lists EQUINOX in the set of
keywords which
"are optional but may be used only as defined in this standard."

--
Guy Rixon, ATC                                  gtr at mrao.cam.ac.uk
c/o Astrophysics Group, Cavendish Laboratory    Tel: +44-1223-766467
Madingley Road, Cambridge, CB3 0HE              Fax: +44-1223-766462