The bright rays that surround the small bright crater Proclus are missing to the left of the two yellow lines, evidence that the Proclus impactor arrived at a shallow angle from that direction and tossed debris in front of it, partly onto dark Mare Crisium. This feature on the moon is easy to see in…
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This fantastic image of the Heart and Soul Nebulae in Cassiopeia was captured by my friend Steve Mallia at Starfest in Ayton, Ontario on September 15, 2023. The pinks are produced by ionized hydrogen gas and the blues by starlight scattering from interstellar dust. The entire scene spans about a palm’s width the sky. Despite…
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This terrific image by Amir H. Abolfath was featured in NASA’s Astronomy Picture of the Day (APOD) for October 14, 2020. The bright star inside the orange zone at lower left is Antares in Scorpius. The big and bright globular cluster Messier 4 sits to its lower right. The pink region is glowing hydrogen gas…
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Wayne Parker captured this terrific image of the Andromeda Galaxy (Messier 31) and its small, bright elliptical companions Messier 32 (to the left of the main core) and Messier 110 (to the lower right of the main core) during the annual Starfest Star Party near Mt. forest, Ontario in August, 2022. The image covers about…
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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 terrific Wikipedia image by Hunter Wilson from March 28, 2008 shows the Leo Triplet of Galaxies, which is located south-southeast of the bright star Chertan in Leo. The photograph, with celestial north up and East toward left, covers 0.6 degrees of the sky left-to-right. The Hamburger Galaxy is at the top – do you…
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This terrific image by Amir H. Abolfath was featured in NASA’s Astronomy Picture of the Day (APOD) for October 14, 2020. The bright star inside the orange zone at lower left is Antares in Scorpius. The big and bright globular cluster Messier 4 sits to its lower right. The pink region is glowing hydrogen gas…
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This image of the young crescent moon by Dylan O’Donnell shows Earthshine – sunlight reflected off of Earth that slightly illuminates the dark portion of the moon’s Earth-facing hemisphere. Watch for it early this week. NASA APOD for March 20, 2015. Hello, Autumn Stargazers! Here are your Astronomy Skylights for the week of September 20th,…
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This simulated view of Jupiter shows the transit of Jupiter’s moon Io and its shadow across Jupiter, accompanied by the Great Red Spot, on Tuesday, July 7 at 2:40 am EDT. A good backyard telescope will let you view the 2.5-hour event, although a telescope might flip and/or mirror this view. Hello, July Stargazers! Here…
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