This image taken by the Lunar Reconnaissance Orbiter shows the fascinating Aristarchus Plateau. The crater Aristarchus at lower right is very prominent, and can be seen even with unaided eyes as a very bright patch. To its left is the similar-sized, but darker crater Herodotus. Vallis Schröteri, the largest sinuous rille on the moon, starts…
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The beautiful Rosette Nebula in Monoceros consists of a circular patch of glowing hydrogen gas and an internal star cluster, created as the hydrogen gas collapsed. Stan Noble tool this image, which was featured as the SkyNews picture of the week for November 3, 2017, in Aneroid, Saskatchewan. The image spans about two finger widths…
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This wonderful image was captured around 8:30 pm EST on Saturday, February 11, 2023 by Andrea Girones from her backyard in Ottawa, Canada. It shows the green comet C/2022 E3 (ZTF) as it slid past reddish Mars. The dusty tail is material left behind as the comet travels downwards (celestial southbound) in the sky. The…
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This terrific image of the summer Milky Way rising from the southern sky, was captured on the moonless weekend of August 27, 2022 by Manu Mukerji while at the Carr Astronomical Observatory operated by the RASC Toronto Centre northwest of Toronto. In the foreground is a SkyShed Pod, a favorite of serious amateur astronomers who…
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This image of the Wild Duck Cluster, also known as Messier 11 and NGC 6705 in Scutum covers a patch of sky equal to the diameter of the full moon. The magnitude 6.3 open star cluster is visible with unaided eyes and through binoculars and telescopes, despite its 6200 light-year distance. It was taken using…
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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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