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Recent Astronomy Articles at Cosmic Pursuits

A Guide to Observing Jupiter in 2024

November 25, 2024 by Brian Ventrudo Filed Under: Solar System

The planet Jupiter is always one of the brightest objects in the night sky. It’s brighter than any star, and is only outshone by the planet Venus and the Moon, and, very rarely, by Mars and Mercury (when it’s too close to the Sun to observe). Jupiter reaches a position for optimum viewing in a telescope once every 13 months, roughly, and it makes its latest closest approach to Earth on December 7, 2024 at 21h Universal Time when the planet appears in the horns of the celestial bull, Taurus. A couple of months before and after this date, Jupiter is in perfect position for viewing with a small telescope, or even a pair of binoculars. You can’t miss it: the planet is by far the brightest object in the eastern sky as night gets underway in the northern hemisphere from now through March and April of 2025. The visible face of Jupiter reveals so many interesting features in a small telescope that the planet is a favorite target for new and experienced stargazers [Read more…] about A Guide to Observing Jupiter in 2024

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Filed Under: Solar System jupiter, observing guide

A Tale of Three Star Clusters

October 31, 2024 by Brian Ventrudo Filed Under: Deep Sky

The NASA/ESA Hubble Space Telescope has produced this beautiful image of the globular cluster Messier 56 (also known as M 56 or NGC 6779), which is located about 33 000 light years away from the Earth in the constellation of Lyra (The Lyre).

Colder weather moves in this time of year and not a leaf remains on the trees, but the longer nights mean that most of the stars of northern summer still linger. And so I found myself on a clear and chilly night in late October taking in some favorite star clusters along the spine of the Milky Way with a small refractor, while a second small scope and camera took snapshots of the same clusters.

In this month’s tour, let’s look at three of these star clusters, each in spectacular star fields. All come from the Messier list – one tight galactic cluster and two loose globulars. They make for pleasant visual inspection, and all serve as excellent targets for those of you taking snapshots of the sky with a little smart telescope like the Seestar 50 or with your own setup. I captured the live stacked images here with a 72mm refractor and ZWO 676MC camera (in case you were wondering). Each image has the same field of view, about 1 degree on an edge, which gives you a comparative view of these three clusters [Read more…] about A Tale of Three Star Clusters

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Filed Under: Deep Sky

Comet Update | Aurora, Aurora Everywhere

October 15, 2024 by Brian Ventrudo Filed Under: Celestial Events, Solar System

Comet C/2023 A3 (Tsuchinshan–ATLAS) in the western sky after sunset on Oct. 14, 2024 from Calgary, Canada. Single image captured with a Nikon Z7ii camera and 70-200mm lens at f/4, ISO1600, 3s exposure, cropped. The comet’s tail spans about 15 degrees; a small anti-tail is also visible in this image. Image credit and copyright: Brian Ventrudo.

“There are decades where nothing happens, and there are weeks where decades happen”, said V.I. Lenin. That, in a way, is what October feels like for stargazers and skywatchers who have enjoyed wave after wave of auroral displays, massive sunspots across the solar disk, and a bright, long-tailed comet in the morning and evening skies [Read more…] about Comet Update | Aurora, Aurora Everywhere

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Filed Under: Celestial Events, Solar System

The Elephant Trunk Nebula

September 24, 2024 by Brian Ventrudo Filed Under: Deep Sky

The nebula IC 1396, embedded star cluster Trumpler 37, and red supergiant star Mu Cephei (top). The nebula gets its power from the star HD 206267 near the center of this image. The tip of the Elephant Trunk Nebula lies just right of center.

Cepheus, the King, is an ancient and rather dim constellation, but its position along the northern Milky Way means it harbors more than its share of deep-sky sights including star clusters, nebulae, even the lovely Fireworks galaxy (NGC 6946). But the best field of view in the constellation encompasses three deep-sky sights including a star-forming nebula, a star cluster, and an aging red supergiant that’s one of the reddest and most luminous stars in the sky [Read more…] about The Elephant Trunk Nebula

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Filed Under: Deep Sky dark nebula

Get Ready for a Bright Comet!

August 30, 2024 by Brian Ventrudo Filed Under: Solar System

C/2023 A3 (Tsuchinshan-ATLAS) in June 2024 captured with an 8″ telescope. Image credit: ‘C. Messier’/Wikipedia under Creative Commons CC BY-SA 4.0 license.

The comet lives! At least so far…

In July, some astronomers suspected the promising comet C/2023 A3 (Tsuchinshan-ATLAS) was on its way to breaking into pieces and fading from view. But as the comet became lost in the Sun’s glare from Earth, satellite images showed it apparently still intact. This offers hope that this little interloper from the Oort Cloud will put on an appealing – and possibly spectacular – display in late September and October 2024 [Read more…] about Get Ready for a Bright Comet!

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Filed Under: Solar System

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