M83 by Marcus Davies (marc4darkskies)

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3-MAY-2008	Marcus Davies

M83

M83 is a barred spiral galaxy in the constellation of Hydra and is similar to our own Milky Way Galaxy. It is a member of the group of galaxies that includes Centaurus A and NGC 5253.
It lies about 15 million light years away and is also known as the Southern Pinwheel galaxy because of it's prominent spiral structure.

Look carefully and you'll see a number of other faint galaxies in the background

This is an LLsRGB image (120, 30, 90, 90, 90 minutes) with the additional 30 minutes of synthetic luminance (Ls) added to the natural Luminance using the best RGB data.
Subs were 15 mins for Lum and 20 mins for RGB, all unbinned. Total exposure time was 6.5 hours. FOV is 33 x 23 arcmins.
It was taken with a Takahashi TOA-150 refractor @ F11.7 (FL=1760mm) on a Takahashi EM-400 with SBIG STL 11000M camera.
See http://www.pbase.com/gailmarc/image/92408151
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Date/Time	10-May-2008 19:27:41
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Flash Used	No
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Metering Mode	(-1)
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