*Description*: Artist's rendition of the core of M31 that shows a ring of older red stars and a disk of young blue stars. Technical facts about this news release: About the Object Object Name: M31, Andromeda Galaxy, NGC 224 Object Description: Sprial Galaxy Position (J2000): R.A. 00h 42m 44s.31 Dec. +41° 16' 09".4 Constellation: Andromeda Distance: About 2.5 million light-years (0.8 Megaparsecs) Dimensions: The WFPC2 image of M31's nucleus is 11.6 arcminutes (150 light-years or 46.5 parsecs) across. About the Data Science Team: The science team includes R. Bender (Univ. of Sternwarte, Munich; Max Planck Inst., Garching; Univ. of Texas at Austin), J. Kormendy (Univ. of Texas at Austin), G. Bower (CSC/STScI), R. Green (NOAO), J. Thomas (Univ. of Sternwarte, Munich; Max Planck Inst., Garching), A.C. Danks (Bowie, MD), T. Gull (NASA/GSFC), J.B. Hutchings (NRC of Canada), C.L. Joseph (Rutgers Univ.), M.E. Kaiser (JHU), T.R. Lauer (NOAO/AURA/NSF), C.H. Nelson (UNLV), D. Richstone (Univ. of Michigan), D. Weistrop (UNLV), and B. Woodgate (NASA/GSFC). Instrument: WFPC2 STIS Data Description: The science data are from the HST proposal 5236: J. Westphal (Caltech), T.R. Lauer (NOAO/AURA/NSF), S. M. FABER UCO/Lick Observatory, W. Baum (Univ. of Washington) The science data are from the HST proposal 8018: R. Green (NOAO/KPNO) and G. Bower (NOAO). Exposure Date(s): June 18-20, 1995 July 23-24, 1999 Exposure Time: 3.7 hours 6.3 hours Filters: F160BW, F300W ("U"), F555W ("V"), F814W ("I") G430L, G750M About the Image Image Credit: NASA, ESA and T. Lauer (NOAO/AURA/NSF) Release Date: September 20, 2005 Orientation: The Core of the Andromeda Galaxy (M31) [ http://imgsrc.hubblesite.org/hu/db/2005/26/images/d/formats/compass_large_web.jpg ] *News Release Number:*: STScI-2005-26e
