When the moon is full, and within hours on either side of that phase, there are no shadows cast anywhere. All of the variations we see are due to changes in the moon’s geology. This image by Michael nicely shows the numerous rays systems emanating from the younger craters, the various types of dark basalt…
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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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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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A Close-up view of Mare Crisium when the terminator will be directly to its west on Wednesday, June 21, 2023 at 10 pm EDT. (Starry Night Pro) Hello, Summer Stargazers! Here are your Astronomy Skylights for the week of June 18th, 2023 by Chris Vaughan. Feel free to pass this along to your friends and…
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This gorgeous spiral galaxy named NGC 5248 and Caldwell 45 in Boötes is visible in medium-sized and larger telescopes on moonless evenings. Image by Adam Block of Mount Lemmon Observatory (Wikipedia) Hello, Moonless May Stargazers! Here are your Astronomy Skylights for the week of May 14th, 2023 by Chris Vaughan. Feel free to pass this…
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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 image of spiral galaxy NGC 5248 (also known as Caldwell 45) in southwestern Boötes was captured by Adam Block’s team at Mount Lemmon SkyCenter, University of Arizona on March 3-4, 2011. The image spans 16 arc-minutes of sky, measuring left-to-right, or half the moon’s diameter. Hello, Spring Stargazers! Here are your Astronomy Skylights for…
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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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On November 24, 2021 Comet C/2021 A1 (Leonard) passed between two well-known galaxies, the Whale (top right) and the Hockey Stick (lower left), otherwise known as NGC 4631 and NGC 4656, respectively. Gregg Ruppel of Tucson, Arizona captured this beautiful image of the rendezvous through his telescope-mounted astro-camera. This image, which spans 1 degrees of…
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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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