All posts by Tony Darnell

By Tony Darnell on November 16, 2019 in
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Earlier this month astronomers revised some mass estimates of a black hole at the center of the elliptical galaxy Holmberg 15A, an enormous galaxy 700 million light years away that is home to the second largest black hole we’ve ever seen.

By Tony Darnell on October 19, 2019 in
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We are looking for more observatories and amateur astronomers who might want to join the project. The Habitable Exoplanet Hunting Project is a worldwide network of amateur astronomers searching for new potentially habitable exoplanets.

By Tony Darnell on September 21, 2019 in
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Today we have @DeepAstronomy discuss about the hobby of amateur astronomy. Where it’s been and where it is going.

By Tony Darnell on August 17, 2019 in
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How to Measure Exoplanet Transit Light Curves with Amateur Telescopes. More with @DeepAstronomy at #365DaysOfAstro

By Tony Darnell on July 20, 2019 in
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Are you thinking of purchasing a telescope but don’t know where to start? Watch this week’s Telescope Talk Hangout for expert advice! Everybody needs to start somewhere in amateur astronomy and the decision to buy a telescope is a big one.

By Tony Darnell on June 15, 2019 in
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Star atlases are an essential tool for use in amateur astronomy. In this hangout, we’ll discuss the various forms of star atlases, and talk with Wil Tirion, a long-time stellar cartographer (uranographer) whose maps have been ubiquitous in astronomy.

By Tony Darnell on May 18, 2019 in

Book Review: “Universal: A Guide to the Cosmos” by Brian Cox & Jeff Foreshaw

By Tony Darnell on April 20, 2019 in
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Astronomers using the ALMA telescope high in the Chilean Andes have observed a star forming where planets are normally thought to be born. Please join Tony Darnell as he discusses these observations with Dr. John Ilee from the University of Leeds.