The Whirlpool Galaxy, also known as Messier 51a, M51a, and NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. Its distance is 31 million light-years from Earth.
My favourite image of a galaxy. I was so pleased to image this awesome target after waiting for my first galaxy season. Taken with a mono camera using RGB filters. Stacked in AstroPixelProcessor and processed by Pixinsight and Photoshop,