I don't think so. They talk about how much the furthest objects are redshifted to near infrared so I think it's a visible-light picture all the way (as opposed to some which are composites of different wavelenghts mapped into visible colours).
My favorite quote
Quote:
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The HUDF observations began Sept. 24, 2003 and continued through Jan. 16, 2004. The telescope's ACS camera, the size of a phone booth, captured ancient photons of light that began traversing the universe even before Earth existed. Photons of light from the very faintest objects arrived at a trickle of one photon per minute, compared with millions of photons per minute from nearer galaxies.
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1 photon per minute. How cool is that.