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Beyond our galaxy


  -Nebulae and clusters

  -Solar system

Image processing


M51 whirlpool galaxy 24, 25, 26 and 27th of April 2011

Link to full image.

C8 at F10, SBIG ST-4000XCM -20C 8h20min (50x300sec). Nice quiet weather shooting directly at zenith guiding at 0.2 sec. on the mount. Light travel time: 37 million years.
As described here: http://www.ancientstarlight.com/M51_VMC.html, this image captures a mag 20.5 galaxy SDSS J132940 with a redshift of z = 0.257558 corresponding to a distance of about 3 billion (10^9) lightyears. The galaxy is seen here at center:

Processing: CCDSoft, AstroArt 4.0 cal. and DDE, IRIS gradient removal, PSE 9 adjustments.

M51 at The NGC Catalog Online

Author e-mail: webweichel@gmail.com

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