Sadr-2017-10-03 : IMAGE ABOVE :Lunt telescope 70 mm, 420mm, Zwo 224 camera, 28 Fits stacked in Sharpcap, processed in Deep Sky Stacker and Windows 10 Photo Editor
IMAGE BELOW: Same image was uploaded and annotated thanks to Astrometry.net
Image Courtesy of SkySafari 5 Pro.www.SkySafariAstronomy.com
Sadr is a star found in the Constellation Cygnus, The Swan and is also the center star of The Northern Cross. This supergiant has an apparent magnitude of 2.23 is one of the brightest stars in the night sky. Sadr is surrounded by a diffuse emission nebula, the Gamma Cygni Nebula (IC 1318).
At 6500 degrees Kelvin, this supergiant is not much hotter than our Sun but is 65,000 times brighter.
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