Chris Vaughan
Chris Vaughan, aka @astrogeoguy, is an award-winning astronomer and Earth scientist with Astrogeo.ca, based near Toronto, Canada. He is a member of the Royal Astronomical Society of Canada and hosts their Insider's Guide to the Galaxy webcasts on YouTube. An avid visual astronomer, Chris operates the historic 74˝ telescope at the David Dunlap Observatory. He frequently organizes local star parties and solar astronomy sessions, and regularly delivers presentations about astronomy and Earth and planetary science, to students and the public in his Digital Starlab portable planetarium. His weekly Astronomy Skylights blog at www.AstroGeo.ca is enjoyed by readers worldwide. He is a regular contributor to SkyNews magazine, writes the monthly Night Sky Calendar for Space.com in cooperation with Simulation Curriculum, the creators of Starry Night and SkySafari, and content for several popular astronomy apps. His book "110 Things to See with a Telescope", was released in 2021.
Latest articles by Chris Vaughan
Supercharge Your GoTo Telescope with Wireless Smartphone Control
By Chris Vaughan published
Observing the Fascinating Full Moon Using Mobile Apps: Part 2 — Supermoon
By Chris Vaughan published
Here's how to make the most of this weekend's full moon — the largest and brightest supermoon of the year — with the help of mobile apps.
How to Use Mobile Apps to See the Solar System's Ice-Giant Planets
By Chris Vaughan published
In this edition of Mobile Astronomy, we'll show you how to use your favorite mobile astronomy app to find Uranus and Neptune, and even see some of their moons!
Observing the Fascinating Full Moon Using Mobile Apps: Part I
By Chris Vaughan published
While a full moon doesn't have the dramatically shadowed terrain that partial phases do, some lunar features and phenomena are enhanced during full moons.
Catch a 'Falling Star': Exploring Meteor Showers with Mobile Apps
By Chris Vaughan published
Mobile Stargazing: Diving into Deep-Sky Objects Using Mobile Apps
By Chris Vaughan published
In this edition of Mobile Astronomy, we'll dive into deep-sky objects, the most beautiful and interesting sights in the night sky.
Seeing Lyra's Coffee and a Donut, and More, Using Sky-Charting Apps
By Chris Vaughan published
We'll tell you how to use your favorite sky-charting app to see the treats in the constellation Lyra's "coffee shop"!
Accompany Cassini on Its Final Dive into Saturn with Mobile Apps
By Chris Vaughan published
This Friday, Sept. 15, 2017, the long and successful Cassini-Huygens mission to Saturn and its moons will come to an end when the spacecraft plunges into Saturn's cloud tops.
Sky-Charting Mobile Apps Can Be Your Astronomical Time Machine
By Chris Vaughan published
Using mobile apps, did you know that you hold an astronomical time machine in the palm of your hand?
Turn Your Smartphone into an Eclipse Tool Kit with Essential Apps
By Chris Vaughan published
With the right apps installed, your smartphone or tablet can be a powerful tool for planning and enjoying the Great American Solar Eclipse.
Spotting Stars, Planets and More during Eclipse Totality Using Mobile Apps
By Chris Vaughan published
How to Prep for Totality with New Eclipse Safari Mobile App
By Chris Vaughan published
In this edition of Mobile Astronomy, we'll delve into the features of the Eclipse Safari app and highlight some ways it can enhance your solar eclipse experience on Monday, Aug. 21, 2017.
Mobile Stargazing: Binocular Astronomy Tips and Targets for Summer 2017
By Chris Vaughan published
Turn Your Smartphone into an Astronomy Toolbox with Mobile Apps
By Chris Vaughan published
The phone in your pocket is a veritable Swiss Army knife of functionality for both casual stargazers and serious astronomers.
Spy Ancient Remnants and Newfound Supernovas Using Mobile Apps
By Chris Vaughan published
Supernovas, or stellar explosions, are among the most exciting events that astronomers can observe.
How to See Jupiter by Day and its Moons by Night using Mobile Astronomy Apps
By Chris Vaughan published
Jupiter is perfectly positioned for observing this spring — and mobile apps can help you find it.
How to Plan for (and Preview) the 2017 Solar Eclipse on Your Phone
By Chris Vaughan published
Riding Along with Comets Using Mobile Astronomy Apps
By Chris Vaughan published
Comets are some of the most captivating sights for skywatchers. Here's how to spot these objects using mobile apps.
Seeing the Treasures of Messier's List with Mobile Astronomy Apps
By Chris Vaughan published
How to View Beautiful Open Star Clusters Using Mobile Apps
By Chris Vaughan published
Sprays of tiny diamonds against the black velvet sky, occasionally sprinkled with gems of ruby or topaz — open star clusters are among the most beautiful sights available to amateur stargazers.
Watch the Moon Waltz, Wobble and Eclipse the Sun with Mobile Apps
By Chris Vaughan published
The moon performs a complex dance that makes it shrink and swell in apparent size, wobble to and fro, and nod up and down.
Exploring Orion's Wonders Using Mobile Astronomy Apps
By Chris Vaughan published
Your favorite mobile astronomy app can help you find the wonders of the Orion constellation and see what they look like — even if you don't own a telescope.
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