M31, The Andromeda Galaxy, Southwest
Arm
Composite Image
from Four Data Sources
8.2 Meter Subaru Telescope (NAOJ)
Hubble Space Telescope
Hydrogen Alpha: Local Group Survey
Mayall 4M Telescope, Kitt Peak National Observatory
(NOAO)
Color data Robert Gendler
Image Assembly and Processing :
Robert Gendler
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Copyright 2014 Robert Gendler,
Subaru
Telescope (NAOJ),
Hubble
Legacy Archive, NOAO
Based on observations made with
the NASA/ESA Hubble Space Telescope, and obtained from the Hubble
Legacy Archive, which is a collaboration between the Space Telescope
Science Institute (STScI/NASA), the Space Telescope European Coordinating
Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA).
The H alpha data come from the Local
Group Galaxies Survey (Massey et al. 2006, Astrophysical Journal,
131, 2701) and are based on images taken with the Mayall 4-meter
telescope at Kitt Peak National Observatory, National Optical
Astronomy Observatory, which is operated by the Association of
Universities for Research in Astronomy under cooperative agreement
with the National Science Foundation.
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