Compass File and Scale for M87
54 million light-years (17 Megaparsecs)
HST Proposal: 9401 P. Cote (Herzberg Institute of Astrophysics, Victoria BC), J. Blakeslee (Dominion Astrophysical Observatory/Herzberg Institute of Astrophysics and Washington State University), L. Ferrarese (Herzberg Institute of Astrophysics, Victoria, BC), A. Jordan (Harvard-Smithsonian Center for Astrophysics), S. Mei (Observatoire Midi-Pyrenees), D. Merritt (Rochester Institute of Technology), M. Milosavljevic (California Institute of Technology), J. Tonry (University of Hawaii), E. Peng (Peking University, Beijing), and M. West (European Southern Observatory, Chile).
HST data also used from proposal 10543: E. Baltz (Stanford University), T. Lauer (NOAO/AURA), A. Crotts (Columbia University), A. Gould (Ohio State University Research Foundation), P. Gondolo (University of Utah), M. Shara (American Museum of Natural History), J. Silk (University of Oxford), S. Zepf (Michigan State University), and D. Zurek (American Museum of Natural History).
F475W (SDSS g), F606W (V), F814W (I)
Blue: F475W (SDSS g)
Green: F606W (V)
Red: F814W (I)