This beautiful composite image, taken by Michael Watson of Toronto during the Total Lunar Eclipse of April 15, 2014, closely resembles what observers in most of the Americas will see starting on Sunday night, May 15, 2022. Michael has arranged the images to show the round shape of Earth’s shadow, as expressed during the partial…
Read more
This terrific image by Benjamin Law of Stouffville, Ontario shows the Leo Quartet of galaxies, which is located in the neck of Leo, the Lion. Leo is visible high in the western sky in evening during May. Other names for this group are Hickson 44 and the NGC 3190 Group. The north-up image covers 20…
Read more
The glorious face-on spiral galaxy Messier 101, also known as the Pinwheel Galaxy, is located near the bright star Alkaid, at the tip of the Big Dipper’s handle. Visible even in binoculars, it is nearly overhead on April evenings. (Deep Sky Survey image from Stellarium) Hello, mid-April Stargazers! Here are your Astronomy Skylights for the…
Read more
The western portion of the moon is largely covered by the dark Oceanus Procellarum. Major craters Copernicus and Kepler are surrounded by blankets of ejecta and ray systems. Under magnification, look for small craters with dark haloes around Copernicus. The Reiner Gamma Swirl and Aristarchus regions are interesting, too. Hello, April Stargazers! Here are your…
Read more
The Open cluster Messier 35, also known as the Shoe-Buckle Cluster and NGC 2168 sits near the westerly foot 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…
Read more
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…
Read more
The southeastern sky, shown here at 6 am local time at the latitude of Toronto, hosts the bright planets Venus and Mars, with Saturn to the east (lower left). Before the sky brightens too much, observers can try to spot fainter main belt asteroid Vesta near Venus and Mars. Hello, March Stargazers! Here are your…
Read more
This image of Comet C/2021 A1 (Leonard) was taken recently by Dan Bartlett from a dark sky site above the Eastern Sierras Mountains in California. The coma’s greenish glow should be apparent in a telescope. The dust tail may be a challenge. The image was featured as NASA’s APOD for November 21, 2021 Hello, Stargazers!…
Read more
This image of the Iris Nebula in Cepheus was captured through a RASA 11-inch f/2.2 Astrograph telescope and a ZWO ASI294MC Pro CCD camera by Gary Colwell at the North Frontenac Dark Sky Preserve northeast of Toronto, Canada. It shows both the reflection nebulosity and the surrounding dark dusty regions. The image spans 1.5 degrees…
Read more
When Callisto’s round, black shadow crosses Jupiter on Friday night, September 17 between 6:15 pm and 11 pm EDT, it will be on, or near, the Great Red Spot – as shown in this simulated view for 8 pm EDT. The shadow will gradually slide to the left of the spot as Jupiter’s rotation outpaces…
Read more