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This is an high resolution picture of the Triangulum galaxy , in the constellation Triangulum
(also designated M33) .The galaxy at distance of 2.9 million light-years shows red areas with ionised hydrogen gas(where stars was born)
an blue hot stars (Clusters) in the edge.The image is taken in the in prime focus of professional mirror telescope (newtonian) the Exposure time is 180 minutes.
This is a very deep and real image, so the "noise" in background is no noise, these are very very dim stars again.The image is not overprocessed and sharp.The image procsseing is made according to scientific rules for long exposed astronomical pictures.