The Ghost of the Moon planetary nebula aka NGC 6781 in Aquila, photographed by the European Southern Observatory 3.6-m Telescope at the La Silla Observatory in the Atacama Desert, Chile. The image spans 4.5 arc-minutes of sky, or 15% of the full moon. The object is an expanding sphere of gas – the outer shells…
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This image of the globular star cluster Messier 3 in Canes Venatici was captured by Adam Block at the Mount Lemmon sky Center, University of Arizona. The area of sky shown spans a little more than the full moon’s diameter. Hello, May Stargazers! Here are your Astronomy Skylights for the week of May 2nd, 2021…
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This terrific image of the sword of Orion was taken on January 7, 2019 by Rick Foster of Markham, Ontario. The colourful Messier 42 nebula is glowing by the light of young stars formed within it. The area shown here covers about 2 finger widths of the sky. Hello, mid-winter stargazers! Here are your Astronomy…
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These images of the full moon by Michael Watson of Toronto perfectly illustrate the size difference between a perigee “supermoon” and an apogee “punymoon”. The image on the right will very closely conform to the appearance of the full moon on Halloween night – when the moon will actually be about 10 hours past full…
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This image of Mars, captured using a camera affixed to his 8″ SCT telescope, was taken by my friend Claudio Oriani at his home in Richmond Hill on July 28, 2020. It features some Mars’ most prominent features, such as Hellas (bright area to the left), Syrtis Major (dark area) and the southern polar cap…
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Valentine’s Day is right around the corner! This beautiful object is called the Rosette Nebula (or NGC 2244). It’s located in the constellation of Monoceros (the Unicorn), just to the left (east) of Orion. The Rosette is a cradle of glowing Hydrogen gas that has birthed about 2500 young stars in its centre. This image…
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