noaoann08003 — Announcement
Double-Wide Image of Pickering’s Triangle
31 January 2008
A new wide-field image of Pickering’s Triangle taken with the National Science Foundation’s Mayall 4-meter telescope at Kitt Peak National Observatory was released recently at the 211th meeting of the American Astronomical Society. This nebula is part of the Cygnus Loop supernova remnant, which includes the famous Veil Nebula. It is located about 1,500 light-years from Earth, in the constellation Cygnus, the Swan. Astronomers estimate that the supernova explosion that produced the nebula occurred between 5,000 to 10,000 years ago; the entire shell stretches more than six full Moons in width across the sky.
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| Id: | noaoann08003 |
