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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An image of globular the star cluster Messier 10, also known as NGC 6254, by Höcherl. The cluster spans about 40% of the full moon’s diameter. At magnitude 6.4, it can be seen with unaided eyes at a dark location, and in binoculars and through any size of telescope. It is estimated to be 14,300…
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This spectacular image by Petr Horalek od Institute of Physics in Opava shows reddish Mars (bottom centre) just below the blue Pleiades star cluster on March 3, 2021, and Mars’ “twin”, the reddish star Aldebaran above the “V” of Taurus at lower left. The red streak at the upper right is the California Nebula in…
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This amazing composite image by Detlef Hartmann shows the continued expansion of the Crab Nebula Supernova Remnant (aka Messier 1) in Taurus over 10 years (Sept 29, 2008 through Sept 22, 2017). It spans about 0.1 degrees of the sky. In the heart of the nebula sits a rapidly rotating neutron star that emits radio…
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This composite of many successive images by Kris Smith shows the International Space Station flying across the disk of the full moon.Photographing these transits require careful planning and split-second timing. Another one will occur for Toronto on Saturday evening, April 4, 2020. NASA APOD for Nov 14, 2016. Hello, April Stargazers! Here are your Astronomy…
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The bright and large open star cluster known as the Pleiades or Messier 45 is composed of sibling stars (the daughters of Atlas and Pleione in Greek mythology) that formed of the same gas cloud. Interstellar dust in the foreground scatters the stars’ light with a blue colour. The cluster is very easily seen with…
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The Open cluster Messier 35, also known as the Shoe-Buckle cluster sits near the feet of Castor in Gemini. The small open cluster NGC 2158 is to the lower right of it in this image from the Sloan Digital Sky Survey. The area of sky shown here measures about one finger’s width of the sky,…
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This image of the beautiful Pleiades open star cluster, also known as the Seven sisters, Subaru, and Messier 45 was captured by Stuart Norman of Toronto from a dark sky location near Georgian Bay, Ontario on October 19, 2017. The blue nebulosity is light from the sibling stars being reflected off interstellar gas and dust.…
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Hello, Late Summer Stargazers! Here are your Astronomy Skylights for the week of September 15th, 2019 by Chris Vaughan. Feel free to pass this along to your friends and send me your comments, questions, and suggested topics. I repost these emails with photos at http://astrogeo.ca/skylights/ where all the old editions will be archived. You can…
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