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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On Tuesday evening, January 16, the lunar terminator will fall to the west of three prominent craters Theophilus, Cyrillus, and Catharina and throw into stark relief many other craters in the lunar highlands. The features will be visible in quality binoculars and through any telescope. (from 2024 NASA Lunar Visualization tool) Hello, Mid-January Stargazers! Here…
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This image of the Lunar Straight Wall or Rupes Recta in Mare Nubium was captured by the Lunar Reconnaissance Orbiter. While the feature can be seen through binoculars, a backyard telescope will reveal more detail. (Adapted from NASA LRO) Hello, October Stargazers! Here are your Astronomy Skylights for the week of October 22nd, 2023 by…
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This image of the morning planet Venus showing its current crescent phase was captured through RGB and UV filters on a Celestron C11 telescope on September 22, 2023 by my friend Andrea Girones of Ottawa. Follow her as andrea_girones on Instagram and as @AndreaGirones on X/Twitter to see more of her fantastic images. Hello, end-of-September…
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On Saturday, June 3, the full Strawberry Moon will rise at sunset. This simulation shows the moon at 10 pm local time. The bright reddish star to its upper right of the moon will be Antares, the “Rival of Mars” and the brightest star in Scorpius, the Scorpion. They’ll be cosy enough to share the…
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A labelled map of the Mare Imbrium region of the moon, shown for 8 pm on Friday, March 3. On the previous evenings, the pole-to-pole lunar terminator will sweep across Mare Imbrium, highlighting its features. (Starry Night Pro 8) Hello, Fellow Moongazers! Here are your Astronomy Skylights for the week of February 26th, 2023 by…
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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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In celebration of July 1 in Canada and July 4 in the USA, here is a photo of the Firecracker Galaxy, also known as NGC 6946 and Caldwell 12. The magnitude 9.6 face-on, type SAB spiral galaxy, 25 million light-years distant, is visible in good binoculars and backyard telescopes under dark skies. It straddles the…
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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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This image from the Lunar Reconnaissance Orbiter shows the entire Mare Imbrium region. On Thursday and Friday this week, the terminator will bisect the huge region, casting in stark relief the ringed mountain ranges to the east: Montes Alpes, Montes Caucasus, and Montes Apenninus. On Saturday night, the terminator will highlight the curved Montes Jura…
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