A triangle of dark ash deposits left by long-extinct volcanoes are easily visible in the crater Alphonsus using any size of telescope when the moon is fully illuminated. Hello, Moon in June Stargazers! Here are your Astronomy Skylights for the week of June 12th, 2022 by Chris Vaughan. Feel free to pass this along to…
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This image of the big and bright globular star cluster Messier 5 in Serpens was captured by Adam Block at Mount Lemmon Sky Center, University of Arizona. The image covers about 20 arc-minutes of the sky, left-to-right. Note the old yellow stars sprinkled throughout. Hello, Mid-May Stargazers! Here are your Astronomy Skylights for the week…
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The glorious face-on spiral galaxy Messier 101, also known as the Pinwheel Galaxy, is located near the bright star Alkaid, at the tip of the Big Dipper’s handle. Visible even in binoculars, it is nearly overhead on April evenings. (Deep Sky Survey image from Stellarium) Hello, mid-April Stargazers! Here are your Astronomy Skylights for the…
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The western portion of the moon is largely covered by the dark Oceanus Procellarum. Major craters Copernicus and Kepler are surrounded by blankets of ejecta and ray systems. Under magnification, look for small craters with dark haloes around Copernicus. The Reiner Gamma Swirl and Aristarchus regions are interesting, too. Hello, April Stargazers! Here are your…
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The moon at its first quarter phase, imaged by Michael Watson of Toronto in mid-twilight on April 22, 2018. The nights surrounding first quarter on Saturday, April 9 are the best ones for evening views of the moon through binoculars and any size of telescope. Welcome to International Astronomy Month, April Stargazers!l Stargazers! Here are…
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This terrific Wikipedia image by Hunter Wilson from March 28, 2008 shows the Leo Triplet of Galaxies, which is located south-southeast of the bright star Chertan in Leo. The photograph, with celestial north up and East toward left, covers 0.6 degrees of the sky left-to-right. The Hamburger Galaxy is at the top – do you…
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On the early evening of Tuesday, March 15, 2022, the nearly full moon will occult the bright star Algieba in Leo. times vary by location. This scene shows the end of the event at 8:57 pm EDT, after the star has emerged near Mare Crisium. Hello, mid-March Stargazers! Here are your Astronomy Skylights for the…
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The southeastern sky, shown here at 6 am local time at the latitude of Toronto, hosts the bright planets Venus and Mars, with Saturn to the east (lower left). Before the sky brightens too much, observers can try to spot fainter main belt asteroid Vesta near Venus and Mars. Hello, March Stargazers! Here are your…
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The Sword of Orion imaged by John Deans in Bancroft, Ontario on February 2021. This image covers about a thumb’s width of sky, top-to-bottom. The trapezium cluster lies in the heart of the nebula (above centre). Hello, March Stargazers! Here are your Astronomy Skylights for the week of February 27th, 2022 by Chris Vaughan. Feel…
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This beautiful image shows the glowing pink hydrogen gas of the Rosette Nebula (NGC 2237) in Monoceros (the Unicron) and its internal star cluster NGC 2244. It was captured by Stan Noble of Swift Current, Saskatchewan in 2017/18. The Rosette, which covers about a thumb’s width of sky, can be seen in binoculars in a…
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