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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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 nice photo of the First Quarter moon was taken by Michael Watson of Toronto. Michael’s galleries of astro-images are hosted on his Flickr page. Hello, Late-June Stargazers! Here are your Astronomy Skylights for the week of June 25th, 2023 by Chris Vaughan. Feel free to pass this along to your friends and send me…
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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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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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The Dumbbell Nebula, imaged by Steve McKinney, is a large planetary nebula in Vulpecula (the Fox). It’s visible (without colour) in a backyard telescope. Planetary nebulae are the corpses of stars with mass similar to our sun. This one resembles and apple core! This image covers a patch of sky about as wide as a…
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User Eberhard Stickel requested this north-up image of Comet C/2017 K2 (PANSTARRS) through the luminance filter of the robotic Burke-Gaffney Observatory at St. Mary’s University in Halifax, NS. The dust tail extending upwards reveals the comet’s trajectory downwards. The sun is toward upper right. The double star below the comet is Struve 2122 in central…
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This simulated view of Saturn for this month shows how the rings are closed enough now to reveal a bit of Saturn’s southern polar region. Hello, mid-July Stargazers! Here are your Astronomy Skylights for the week of July 11th, 2021 by Chris Vaughan. Feel free to pass this along to your friends and send me…
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The Moon as it will appear at 11 pm Eastern Daylight Time on Thursday, June 25, 2020. The prominent, dark, round crater Theophilus located mid-moon, near the terminator line, will change in appearance each night this week as its rim, and then its floor, fills with sunlight. These hourly images are available from NASA’s Moon…
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This wide field photograph of the sky shows Orion at left and Taurus to the upper right. The stars have been slightly overexposed to emphasize their colours and relative brightnesses. Normally, reddish Betelgeuse at Orion’s shoulder (left above centre) is the same brightness as blue Rigel at Orion’s opposite foot. But recent images shows Betelgeuse…
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