gzipped images in SIAP 1.0

[Steve Allen]

On Tue 2007-05-22T09:29:17 -0400, Thomas McGlynn hath writ:
> Isn't it valid to refer to a compressed FITS file with the header:
>
>    Content-type: Image/FITS
>    Content-encoding: GZIP
>
> That would seem to appropriately separate the semantics of the data from
> the encoding.  I think we may do this in some of our on-line data at the
> HEASARC.

Yes, but note that the HTTP header line is spelled
Content-coding

That is as noted in the FITS RFC 4047.

It is as implemented in SAOimage ds9 for some five years.

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