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2010 Astroimaging Contest: Deep-sky category entrants

Nebulae dominated the category, but the winner is a beautiful trio of galaxies.
The Leo Trio
DEEP-SKY WINNER: The Leo Trio (5.6-inch Telescope Engineering Company TEC 140 apochromatic refractor at f/7, Quantum Scientific Imaging QSI-583wsg CCD camera, LRGB image with exposures of 90, 70, 40, and 40 minutes, respectively)
Ruben Kier
Astronomy received 39 entries for its 2010 Astroimging Contest in the Deep-sky category, with objects from various catalogs. The winning entry (at right) is by Ruben Kier of Orange, Connecticut. The Leo Trio is a threesome of galaxies 35 million light-years away in the direction of the constellation Leo the Lion. M65 sits at the lower left of this image. It has tight spiral arms similar to our Milky Way. M66, at the upper left, has had its spiral arms distorted, probably due to gravitational interaction with M65. On the right, NGC 3828 represents an edge-on spiral galaxy. It features a broad band of interstellar dust that obscures the central disk. For an inhabitant of any of these systems, the view of the other galaxies would be spectacular. Each would cover as much of the sky as one of our constellations.

All the images you'll see below are the reamining 38 official contest entries. Thanks to everyone who set up a telescope, attached a camera, processed their image, and sent it to us. For those of you who missed the contest, or if these pictures inspire you to head out and shoot the sky, you can submit electronic images to readergallery@Astronomy.com. We'll consider them for inclusion in the magazine or on this website as one of our Picture of the Day highlights. You also can submit images directly to our Online Reader Gallery.  Happy sky-shooting!

Other 2010 Astroimaging contest galleries
General category
Solar System category

Supernova remnant CTB 1

Supernova remnant CTB 1, by Anthony Ayiomamitis

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