This gorgeous spiral galaxy named NGC 5248 and Caldwell 45 in Boötes is visible in medium-sized and larger telescopes on moonless evenings. Image by Adam Block of Mount Lemmon Observatory (Wikipedia) Hello, Moonless May Stargazers! Here are your Astronomy Skylights for the week of May 14th, 2023 by Chris Vaughan. Feel free to pass this…
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This amazing composite image by Detlef Hartmann shows the continued expansion of the Crab Nebula Supernova Remnant (aka Messier 1) in Taurus over 10 years (Sept 29, 2008 through Sept 22, 2017). It spans about 0.1 degrees of the sky. In the heart of the nebula sits a rapidly rotating neutron star that emits radio…
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This image of spiral galaxy NGC 5248 (also known as Caldwell 45) in southwestern Boötes was captured by Adam Block’s team at Mount Lemmon SkyCenter, University of Arizona on March 3-4, 2011. The image spans 16 arc-minutes of sky, measuring left-to-right, or half the moon’s diameter. Hello, Spring Stargazers! Here are your Astronomy Skylights for…
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Messier 101 also known as the Pinwheel Galaxy and NGC 5457 is a large, face-on spiral galaxy in Ursa Major near the Big Dipper’s handle tip star, Alkaid. This Sloan digital Sky Survey image spans about 25 arc-minutes top to bottom – or about the diameter of the full moon. In June the galaxy is…
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A photograph of the multiple star Asellus in Boötes, from Stellarium’s digital sky survey (DSS). Hello, June Stargazers! Here are your Astronomy Skylights for the week of Jue 7th, 2020 by Chris Vaughan. Feel free to pass this along to your friends and send me your comments, questions, and suggested topics. You can also follow…
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