Thanks, Lana Duze The Needle Galaxy NGC 4565 (also known as the Needle Galaxy for its narrow profile or Caldwell 38) is an edge-on spiral galaxy about 30 to 50 million light-years away in the constellation Coma Berenices it is more luminous than Andromeda which is itself more luminous than our galaxy. The orange colour reflects the old stars of the central bulge; the blue young stars prevail at the peripheral arms and the red reveals nebulae when new stars are being formed. The 10th magnitude galaxy sits perpendicular to our own Milky Way galaxy and is almost directly above the North Galactic Pole (in the same way Polaris is located above the Earths North Pole). NGC 4565 is a giant spiral galaxy (more luminous than the Andromeda Galaxy) and it has been proposed that if it were viewed face-on, it would be the most spectacular of the galaxies of its type in the nearby Universe. Studies with the help of the Spitzer Space Telescope not only confirmed the presence of a central bar but also showed a pseudobulge within it as well as an inner ring. NGC 4565 has at least two companion galaxies, one of which is interacting with it. It has a population of roughly 240 globular clusters, more than the Milky Way. Credit: Jean Jacquinot C11-HD telescope, G11 mount, STLXL camera at -35°C. Total exposure of 3h40’: 90’ in luminance (9 subs of 10’), 50’ in red (10 subs of 5’), 40’ in green (8 subs of 5’) and 40’ in blue (8 subs of 5’).
Posted on: Mon, 05 May 2014 11:33:08 +0000
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