SUNSET: 
Stargazer's Corner: Adventures Under the Night Sky
Simple Formulas for the Telescope Owner
Simple telescope formulas — how to calculate what you need to know about your telescopes, oculars, and binoculars.
Stargazer's Corner: Adventures Under the Night Sky
Celestial Harvest Showpiece Roster
Download the Celestial Harvest Showpiece Roster, a handy list of 300 of the best deep-sky objects to explore with telescopes from 2- to 14-inches in aperture.
Stargazer's Corner: Adventures Under the Night Sky
An Ancient Eclipse in Ithaca
During the author's May 2017 trip to Kefalonia he learned of an ancient eclipse on the neighboring island of Ithaca with ties to the Odyssey.
Stargazer's Corner: Adventures Under the Night Sky
Low-Tech Astrophotography: Game Boy Camera
Inspired by his love of astronomy and struck by the unique ways in which the Game Boy Camera had been harnessed, Alex Pietrow took to the internet to see what photos of space it had taken. When he found none, he took his own.
Stargazer's Corner: Adventures Under the Night Sky
A Compact, Lightweight Solar Projection Viewer
Learn how to make a travel-friendly solar projection viewer for your telescope — just in time for the eclipse! Each summer I have the privilege to run the Student Telescope Making Program at the Table Mountain Star Party (TMSP). Over the course of a few hours, students assemble telescopes and…
Stargazer's Corner: Adventures Under the Night Sky
A Solar Eclipse Activity for a Sunny Day
Learn about solar eclipses in this DIY solar eclipse activity. All you need is a tape measure, a long stick, a small sphere, and a sunny day.
Stargazer's Corner: Adventures Under the Night Sky
Daylight Polar Alignment Made Easy
Try this easy technique to roughly polar-align your telescope mount during the day using your smartphone and a planetarium app.
Stargazer's Corner: Adventures Under the Night Sky
Meet Steve, the Friendly Neighborhood Aurora
The story of Steve, the mysterious pink-ribbon aurora, shows how citizen scientists are making important contributions to research and discovery.
Stargazer's Corner: Adventures Under the Night Sky
Comet Hale-Bopp’s Ancient Spectacle
Astrophotographer John Goldsmith chronicles his travels during Comet Hale-Bopp's famous apparition 20 years ago. His images capture what ancients might have seen 4,200+ years before.
Stargazer's Corner: Adventures Under the Night Sky
A Teachable Moment: When the Moon's Shadow Came to Angola
A solar eclipse provided the perfect teachable moment in Angola, as students learned about the real sizes and distances of Earth, the Moon, and the Sun.
Stargazer's Corner: Adventures Under the Night Sky
A Remarkable View of Aldebaran's Occultation
A lucky group of Canadian observers got to witness remarkable events as the Moon slid past Aldebaran on the night of March 4th.
Stargazer's Corner: Adventures Under the Night Sky
A Better Red-Light Filter for Your iPhone
By tapping into some little-know settings, you can make your iPhone use a red screen all the time at night and preserve your dark adaptation.
Stargazer's Corner: Adventures Under the Night Sky
The Strolling Astronomer Celebrates 70 Years
Still active today, the Association of Lunar & Planetary Observers and its journal got their start on March 1, 1947.
Stargazer's Corner: Adventures Under the Night Sky
Fifty Years of the Astronomical League Observing Programs
The Astronomical League, one of amateur astronomy's best institutional resources, has awarded more than 10,000 observing certificates since 1967.
"Star Deck": It's All in the Cards
Here's a great free download that uses a deck of playing cards to introduce you to the night's sky's constellations in a fun, entertaining way.
"Library Telescope" Program Takes Off
From humble beginnings in 2008, a simple idea — equipping libraries with loaner telescopes — has caught on across the United States.
Stargazer's Corner: Adventures Under the Night Sky
Staracle: A Free Star-Naming Service
"Name a star" businesses are approaching their holiday peak. But since personal star names won't be formally recognized anyway, you might as well do it for free.
Stargazer's Corner: Adventures Under the Night Sky
Spektrum: A Pro-Am Journal for Spectroscopy
If you're interested in how celestial objects reveal themselves simply by analyzing their light, you'll enjoy this free online international journal.
Stargazer's Corner: Adventures Under the Night Sky
Harrison Bay State Park's Star Walk
Inspired by a project featured in Sky & Telescope, Richard Clements and the Barnard Astronomical Society constructed a Star Walk in Harrison Bay State Park, Tennessee.
Stargazer's Corner: Adventures Under the Night Sky
Econ 101: Protecting Acadia's Dark Skies
To help maintain the beautifully dark skies over Maine's Acadia National Park, this Master's thesis analyzed how the region's economy and other policy issues would be affected by stricter lighting regulations.