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News for Norther Colorado and the world

Saturday, January 31, 2015

Astronomy Picture of the Day


NGC 3521 Close Up

Credit: DataHubble Legacy Archive, ESA, NASA ProcessingRobert Gendler


Explanation: Gorgeous spiral galaxy NGC 3521 is a mere 35 million light-years distant, toward the constellation Leo. Spanning some 50,000 light-years, its central region is shown in this dramatic image, constructed from data drawn from the Hubble Legacy Archive. The close-up view highlights this galaxy’s characteristic multiple, patchy, irregular spiral arms laced with dust and clusters of young, blue stars. In constrast, many other spirals exhibit grand, sweeping arms. A relatively bright galaxy in planet Earth’s sky, NGC 3521 is easily visible in small telescopes, but often overlooked by amateur imagers in favor of other Leo spiral galaxies, like M66 and M65.




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