Telescopes – Amateur Astronomers Association

Category: Telescopes

The Revolution of the Four Galilean Moons

The rich tapestry of features in the four Galilean moons continues to revolutionize our understanding of how our Solar System came to be and our own place in it.

Robert Marx May 1, 2025

Message from the President

Whether you join a club observing event, head out on your own, or simply take a moment to gaze upwards from a park or balcony, I hope you’ll take advantage of the improving weather and enjoy the wonders April’s night sky has to offer.

AAA April 1, 2025

Events on the Horizon – February 2025

Observing February 4: 5:00 PM – 7:00 PM ETFort Greene: 69 Lafayette AveBrooklyn, NY 11217 February 4: 6:00 PM – 9:00 PM ETQueensborough Community College: 222-05 56th AveBayside, NY 11364 February

AAA February 1, 2025

Old Scope Meets New Mirror

In 2020, my interest in mirror-making was revitalized through classes offered by the Springfield Telescope Makers, hosting the annual Stellafane convention in Vermont. Since then,

Michael O'Gara October 1, 2024

Eyepiece, the Amateur Astronomers Association monthly newsletter, covers lectures and other astronomy events in New York City; offers commentary, tips on observing and equipment and summarizes astronomy discoveries and other general news in astronomy and astrophysics. Each month, our “What’s Up in the Sky” column discusses what can be seen in the skies during the upcoming month. Members do all the writing for Eyepiece, and new contributors are always welcome. Submit today!