The bright rays that surround the small bright crater Proclus are missing to the left of the two yellow lines, evidence that the Proclus impactor arrived at a shallow angle from that direction and tossed debris in front of it, partly onto dark Mare Crisium. This feature on the moon is easy to see in…
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This image of the Snowglobe Globular Star Cluster (aka NGC 5466) in Boötes simulates the view through a telescope at 132x. The area covered by the red circular viewport covers a bit more than the full moon’s size in the sky. On a dark night, the cluster can be seen as a faint fuzzy patch…
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I captured this image of the once-in-a-lifetime aurora borealis on May 10, 2024 at 10:41 pm, from the trail behind my house in Collingwood, Ontario, Canada. Despite somethin cloud we were able to see the aurorae in motion. The green glow is from singly ionized oxygen. The blue arises from nitrogen and the purples come…
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This Lunar Reconnaissance Orbiter image shows the major features of Mare Imbrium, the Sea of Rains. Oceanus Procellarum mare material appears along the far left side of the image. Welcome to August, Stargazers! Here are your Astronomy Skylights for the week of July 30th, 2023 by Chris Vaughan. Feel free to pass this along to…
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This colour image of the moon during the penumbral lunar eclipse of September 16, 2016 was taken by Robin Lee in Hong Kong. It was the NASA Astronomy Picture of the Day for Oct 12, 2016. Welcome to mid-Spring, Stargazers! Here are your Astronomy Skylights for the week of April 30th, 2023 by Chris Vaughan.…
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This image by Michael Watson from September, 2017 shows the sliver of shadow that appears along its right-hand (eastern) limbs just hours after it is officially full. Hello, February Stargazers! Here are your Astronomy Skylights for the week of February 5th, 2023 by Chris Vaughan. Feel free to pass this along to your friends and…
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During evening in early October, the Great Square of Pegasus is visible in the eastern sky. the horse’s nose star, Enif, shines about two fist diameters to the right of the square. Orange-tinted Enif has a tiny companion star visible in binoculars and backyard telescopes. The spectacular globular star cluster named Messier 15 (upper right)…
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This spectacular long exposure composite combines twenty photographs of the Orionids Meteor Shower taken on October 21, 2006 near Bursa, Turkey by Tunc Tezel. It was NASA’s Astronomy Picture of the Day for October 23, 2206. Orion, with his distinctive belt, shines at top centre. The shower’s radiant is at top left. Happy, mid-October, Stargazers!…
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This image of the globular star cluster Messier 3 in Canes Venatici was captured by Adam Block at the Mount Lemmon sky Center, University of Arizona. The area of sky shown spans a little more than the full moon’s diameter. Hello, May Stargazers! Here are your Astronomy Skylights for the week of May 2nd, 2021…
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This image of the Whale Galaxy (top left) and the Hockey Stick Galaxy (lower right) was captured by AstroDoc Ron Brecher of Guelph on March 16, 2019. The image spans about 1 degree of sky. Ron’s galleries of images are at www.astrodoc.ca Hello, Galaxy-season Stargazers! Here are your Astronomy Skylights for the week of April…
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