M57, The Ring Nebula
Composite Image from Three Data
Sources
8.2 Meter Subaru Telescope (NAOJ)
(H-Alpha)
Hubble Space Telescope
14.5" RC, STL11000
Image Assembly and Processing :
Robert Gendler
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).