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…
Read more
This image of the Messier 13 globular star cluster in Hercules was taken by Martin Pugh. The cluster is composed of thousands of old, blue and yellow stars collected into a spherical ball orbiting our galaxy’s core. It’s located about 25,000 light-years from our sun. This image spans about 30 by 40 arc-minutes, slightly larger…
Read more
A photograph of the multiple star Asellus in Boötes, from Stellarium’s digital sky survey (DSS). Hello, June Stargazers! Here are your Astronomy Skylights for the week of Jue 7th, 2020 by Chris Vaughan. Feel free to pass this along to your friends and send me your comments, questions, and suggested topics. You can also follow…
Read more
This simulated view of Venus shows the shape it will appear when viewed through a backyard telescope this month. Galileo was the first to note that Venus changed in apparent size and shape. Hello, April Stargazers! Here are your Astronomy Skylights for the week of April 12th, 2020 by Chris Vaughan. Feel free to send…
Read more
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…
Read more
This lovely widefield image of Auriga (the Charioteer) was taken by Alan Dyer of Calgary on January 23, 2011. It nicely shows the rich clusters and star fields that populate that constellation’s circlet of stars. The Flaming star Nebula is the red patch. Other knots of stars are open clusters. Capella, or Alpha Aurigae, is…
Read more
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…
Read more
This image of the moon by Michael Watson of Toronto was taken 9 hours after it was full on February 22, 2016 – replicating how the March, 2020 full moon will appear on Monday night. Note that the moon’s right-hand edge shows some shadowing – evidence that it is slightly past full. The many bright…
Read more
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,…
Read more
This image of the Winter Hexagon / Football was taken by Jeff Dai. Start with bright Sirius just above the hills at lower right, then head straight up to Rigel, and to the upper left to reddish Betelgeuse, and then bright yellow Capella on the left. Next head down to Castor and Pollux, and finally…
Read more