This image was created from HST data from the following proposals:
10497: A. Riess (STScI), P.B. Stetson (Dominion Astrophysical Observatory), A.V. Filippenko (University of California - Berkeley), L.J. Greenhill (Harvard-Smithsonian/CfA), W. Li and S. Jha (University of California - Berkeley)
10711: K. Noll (STScI), H. Bond, C. Christian, L. Frattare, F. Hamilton, Z. Levay, M. Mutchler, W. Januszewski, and T. Royle (Hubble Heritage Team/STScI/AURA) and A. Riess (STScI).