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Through the Dust

Credit: Stefan Muckenhuber
Friday, Sept. 4, 2015: Astrophotographer Stefan Muckenhuber sent in a photo of galaxies M81 (left) and M82, obtained in mid-2015 from Tirol, Austria. M81…Read More »

(AKA Bode’s Galaxy), a spiral galaxy, lies about 12 million light-years away from Earth in the constellation of Ursa Major. M82 is also known as the Cigar Galaxy. Muckenhuber writes in an email message to “I took this picture from a quite dark spot in … Tirol. I collected 16 hours of data and it also took me about 20 hours of processing until I was satisfied with the result. The exposure of 16 hours was necessary to bring out the faint Integrated Flux Nebula (IFN) … “ appearing as the gray dust in the image. He notes the IFN, which lies closer to us than the two galaxies, is made visible by the glow of stars in our Milky Way.

— Tom Chao   Less «
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