The HUDF image was created from HST data from proposal 9978: S. Beckwith, S. Malhotra, M. Giavalisco, N. Panagia, J. Rhoads, M. Stiavelli, R. Somerville, S. Casertano, B. Margon, C. Blades, J. Caldwell, and M. Clampin (STScI), M. Corbin (CSC), M. Dickinson, H. Ferguson, and A. Fruchter (STScI), R. Hook (STScI/ECF), S. Jogee, A. Koekemoer, R. Lucas, M. Sosey and L. Bergeron (STScI).
The NICMOS HUDF image was created from HST data from proposal: 9803: R. Thompson (U. Arizona), G. Illingworth and R. Bouwens (UCSC), M. Dickinson (STScI), D. Eisenstein and X. Fan (U. Arizona), M. Franx (U. Leiden), M. Rieke (U. of Arizona) , A. Riess (STScI) , P. van Dokkum (Yale U.).
The science team for HUDF-JD2 includes: B. Mobasher (STScI/ESA); M. Dickinson (NOAO); H.C. Ferguson and M. Giavalisco (STScI); T. Wiklind (STScI/ESA); D. Stark and R.S. Ellis (Caltech); M. Fall (STScI); N. A. Grogin (JHU); L. Moustakas (STScI); N. Panagia (STScI/ESA); M. Sosey, M. Stiavelli, E. Bergeron, and S. Casertano (STScI); P. Ingram (Gemini Obs.); A. Koekemoer (STScI); I. Labbe (Carnegie Obs.); M. Livio (STScI); B. Rogers (Gemini Obs.); C. Scarlata (Inst. for Astronomy, Zurich, Switzerland); J. Venet, A. Renzini and P. Rosati (ESO); H. Kuntschner, M. Kummel, and J.R. Walsh (STECF/ESO).
The galaxy was detected using Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS). But at near infrared wavelengths, it is very faint and red.