This spiral galaxy in Canes Venatici is about 40 million
light years from earth. With a diameter of 100,000
light years, it is about the same size as our Milky Way.
The faint arms of this galaxy seem to have been pulled
and warped by a neighboring galaxy (not visible in this image).

This image was published in "Sky and Telescope" November 2013, page 77.

Image Data:
Telescope: Hyperion 12.5"
Camera: SBIG STL-11000
Exposure: Luminance = 15 minutes x 13 (shot April 14, 2012)
RGB = 10 minutes x 9 each (shot April 12 & June 1, 2013)
(total = 7 3/4 hours)