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NGC 7635, The Bubble Nebula

Sometimes astronomers use their highly stretched imagination to conjure something that looks a bit like the nebula they've been photographing for longer than their wives care to try to calculate. This nebula is not one of those. It is the result of the powerful winds emanating from the brilliant Wolf-Rayet star inside the almost perfectly spherical bubble it has blown. This is 13.6 hours of imaging in the light of Hydrogen, Oxygen, and Sulfur.

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Uploaded on October 18, 2014