Sunday 27 April 2014

Breathtaking views of well-known galaxies

original post »
Breathtaking views of well-known galaxies
Thank you #Chandra et al :)

NASA's Chandra X-ray Observatory originally shared:

Professional and Amateur Astronomers Join Forces
http://chandra.harvard.edu/photo/2014/proam/

This quartet of galaxies comes from a collaboration of professional and amateur astronomers that combines optical data from amateur telescopes with data from the archives of NASA missions. Starting in the upper left and moving clockwise, the galaxies are M101 (the "Pinwheel Galaxy"), M81, Centaurus A, and M51 (the "Whirlpool Galaxy"). In these images, X-rays from Chandra are in pink, infrared data from NASA's Spitzer Space Telescope are red, and the optical data are in red, green, and blue.  The two astrophotographers who donated their images for these four images -- Detlef Hartmann and Rolf Olsen -- used their personal telescopes of 17.5 inches and 10 inches in diameter respectively.

X-ray: NASA/CXC/SAO; Optical: Detlef Hartmann; Infrared: NASA/JPL-Caltech
 
original post: https://plus.google.com/116000959328274308893/posts/KYv6WKhAU7U
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