Subaru http://smoka.nao.ac.jp/
SDSS http://www.sdss.org/dr3/
CFHT http://cadcwww.dao.nrc.ca/cfht/cfht.html
VLA,VLBA,GBT http://e2e.aoc.nrao.edu/archive/archive_describe.html
HST,MAST http://archive.stsci.edu/
HEASARC http://heasarc.gsfc.nasa.gov/w3browse/
Chandra http://cxc.harvard.edu/cda/
LaPalma http://archive.ast.cam.ac.uk/ingarch/
BIMA http://bimaarch.ncsa.uiuc.edu/
Keck-DEIMOS http://archive.deep.ucolick.org/
ComptonGRO http://cossc.gsfc.nasa.gov/archive/index.html
Spitzer,.. http://www.ipac.caltech.edu/
AAT http://www.aao.gov.au/archive/
HIPASS http://www.atnf.csiro.au/research/multibeam/
multibeam.html
JCMT http://salish.dao.nrc.ca:8080/jcmt/intro.html
COBE,WMAP http://lambda.gsfc.nasa.gov/
EVN http://www.jive.nl/archive/scripts/listarch.php
Gemini http://gemini.ast.cam.ac.uk/sciops/data/dataIndex.html
XMM-Newton http://xmm.vilspa.esa.es/external/xmm_data_acc/xsa/
5. IANA Considerations
The general nature of the full FITS standard requires the use of the
media type "application/fits". Nevertheless, the principal intent
for a great many FITS files is to convey a single data array in the
PHDU, and such arrays are very often 2-dimensional images. Several
common image viewing applications already display single-HDU FITS
files, and the prototypes for virtual observatory projects specify
that data provided by web services be conveyed by the data array in
the PHDU. These uses justify the registration of a second media
type, namely "image/fits", for files which use the subset of the
standard described by the original FITS standard paper [FITS].
We note that the media type "image/gif" [MIME2] admits raster images
that are three dimensional, because animated GIF images contain two
spatial dimensions and one temporal dimension. We note that the
media types "image/vnd.dwg" and "image/vnd.dxf" admit data that
include three-dimensional vectors and curves as well as objects
created by using constructive solid geometry. Following these
precedents for the "image" media type, we specify that "image/fits"
MAY be used to describe FITS PHDUs that have other than two
dimensions. We expect that most files described as "image/fits" will
have two-dimensional (NAXIS=2) PHDUs.
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