Jeff Terry's Astrophotos/M 33.jpg

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The luminance image was sum of twelve 10 minute exposures with an Astro-Physics 130 Starfire GT on July 21, 2014.
The scope is located at the Red Observatory. The scope was equipped with an SBIG STL-11000 with a 5 position filter wheel.
The scope is mounted on an AP 1200 mount.
The image was guided with the interal guider at 10 sec intervals. The rms error was 0.56 pixel.
The image was collected using Equinox Image.
The image was processed using the 64 bit version of iCCD.
M33 is often called the Pinwheel or Triangulum Galaxy. It is a beautiful, face on spiral.
M33 contains approximately 40 billion stars and has a diameter of 50000 light years. It is located approximately 3 million light years from the earth.