A rotating model of Saturn’s moon Iapetus. Its variation in surface brightness causes it to change in apparent brightness as it travels around Saturn over 80 days. On November 29, 2023, Iapetus will appear brighter as its reaches it western elongation. (Wikipedia) Hello, Stargazers! Here are your Astronomy Skylights for the week of November 26th,…
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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 beautiful image of Gemini’s Messier 35 and the smaller, but denser open star cluster NGC 2158 (below right of centre) was captured by “Mr. Eclipse” himself, Fred Espenak. Two more small open clusters shine at the far right – squint to see them! The image spans two thumb widths, or 2.5 angular degrees, left…
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This fantastic widefield composite image of the 2020 Quadrantids meteor shower over Flajšová, Oravská Lesná, Slovakia was captured by Czech astronomer Petr Horálek on the nights bracketing the peak of January 4.The radiant is out of frame to top left. That year, the star Betelgeuse in Orion (right of centre) was unusually dim. The glowing…
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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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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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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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