This image by Martin Gembec of the Czech Republic shows the rich starfield of the Alpha-Persei Moving Group stars surrounding Mirfak (above centre), the brightest star in Perseus (the Hero). The photograph spans about 3.5 degrees of the sky, nearly filling the view in binoculars. Mirfak is the very bright star shining about halfway up…
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This terrific image of Mars was taken by Andrea Girones of Ottawa on November 23, 2022 at 11:35 pm EST. The large bright area at upper left is named Aeria. the dark region below that is Sinus Sabaeus, and the dark feature to the right is Mare Acidalum. Dark features on Mars tend to be…
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This mosaic of images taken by the Lunar Reconnaissance Orbiter is centred on Mare Imbrium, the huge and ancient impact basin that covers much of the moon’s northern Earth-facing hemisphere. The mountains around its right (lunar west) edge are highlighted around the first quarter phase. Sinus Iridium and the curved Montes Jura are prominent about…
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A fine example of an annular solar eclipse during totality (annularity)! Much of Eastern North America will see a typical partial eclipse (with a bite out of the sun) already in progress at sunrise on Thursday, June 10. It will end at 6:39 am EDT. Use proper solar filters to view any of this eclipse…
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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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This amazing composite photo by my friend Bill Longo has it all! The arc of the International Space Station crossing the sky, the green glow of the Aurora Borealis, the northern Summer Milky Way, and numerous Perseids meteors! Hello, Spring Stargazers! Here are your Astronomy Skylights for the week of April 11th, 2021 by Chris…
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