Announcing “Four Centuries in a Weekend” – Sperry Observatory will be open on Saturday, October 17, and Sunday, October 18 from 12 – 5:00 pm for the “Four Centuries in a Weekend” history event. Come spend the weekend at Sperry during this annual Union County celebration of historic houses and sites. Sperry will be hosting tours and Amateur Astronomers, Inc. members will be available to answer your astronomy questions. We will also be distributing gently-used astronomy and science-related books and magazines that were donated for this purpose. This is a free daytime event. There is ample parking onsite and we gladly welcome all visitors. For more information about “Four Centuries in a Weekend” please visit https://ucnj.org/wp-content/uploads/2026/09/Four-Centuries-2026-Guide-to-Activities-2.pdf . AND ever wonder about the night skies in the desert Southwest of the United States? After actively engaging in astronomical activities in northwest NJ for the past 50 years and watching our once black skies fade to gray, our presenter has been pursuing projects in the Southwest USA under darker conditions at higher elevations and a drier climate. This talk describes site selection and development of his AZ and NM properties, and the astronomical instruments he has relocated to those facilities. And talk to members of AAI who are always willing to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …
The U.N. declared July 20th as International Moon Day, but what’s the need? This presentation delves into what makes the Moon worth celebrating, from its stunning geological discoveries and up-and-coming research and why it’s worth protecting. This is our monthly meeting which begins at 8:00 pm followed by our guest speaker in the Roy Smith Theatre. The public is invited to attend. After the presentation everyone is invited back to the observatory for observing (weather permitting) and refreshments. AND “Announcing Four Centuries in a Weekend” – Sperry Observatory will be open on Saturday, October 17, and Sunday, October 18 from 12 – 5:00 pm for the “Four Centuries in a Weekend” history event. Come spend the weekend at Sperry during this annual Union County celebration of historic houses and sites. Sperry will be hosting tours and Amateur Astronomers, Inc. members will be available to answer your astronomy questions. We will also be distributing gently-used astronomy and science-related books and magazines that were donated for this purpose. This is a free daytime event. There is ample parking onsite and we gladly welcome all visitors. For more information about “Four Centuries in a Weekend” please visit https://ucnj.org/wp-content/uploads/2026/09/Four-Centuries-2026-Guide-to-Activities-2.pdf .
And learn about Amateur Astronomers, Inc., the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College of Union County, NJ, in Cranford, NJ …
What are symbols of Earth? Over the eons, humans created many names referring to Earth, our Home Planet. Yet, without using an alphabet, how would you express Earth in a drawing or emblem? Today, every logo tells a story. Come see the ancient history and current day depictions on how people represented Planet Earth in a symbol, logo, insignia or pictograph. And talk to members of AAI who are always will to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College of Union County NJ, in Cranford, NJ …
Welcome to October. The leaves are changing color and the nights are getting longer. It’s also time to hear about what you can see in the night sky during the month of October. Learn what constellations, planets, Moon phases and more are visible throughout this month. And maybe we will hear about some space mission news too. The presentation is given in an easy to understand and educational format for most ages. And talk to members of AAI who are always willing to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …
The planet Neptune is a long way out in our solar system. What do we know about it? Have you ever been able to observe through a telescope? Join us on Friday to learn how it was discovered, the controversy of credit and international politics, and the findings from the Voyager 2 flyby, as well as a hint of proposed missions to the 8th planet (of nine). And talk to members of AAI who are always willing to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …
Welcome to our next season of monthly guest speakers. This Friday, September 18, join us for a presentation about the first black holes. Where do the supermassive black holes found in galactic centers come from? Our guest speaker, Dr. Alaine Lee from the University of Hawaii, will be presenting in the Roy Smith Theater on the campus of Union College in Cranford. The meeting begins at 8:00 pm followed by the speaker around 9:00 pm. Then join us after the meeting back at Sperry Observatory for observing, weather permitting, and refreshments.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …
We have another space telescope! It is the Nancy Grace Roman Space Telescope. It is named after the American Astronomer who worked at NASA. The presentation will cover her work with NASA and the manufacture of the telescope, as well as what we hope to learn with this new ‘eye on the skies’. And talk to members of AAI who are always willing to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …
It’s September! Schools are open, summer vacations are almost over and soon we will begin to see a change in the color of the leaves. It is also time to learn about what you can see in the sky this month. Join us on Friday to learn what constellations, planets, Moon phases and more will be visible in the sky this month. And talk to members of AAI who are always willing to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …
What do we really know about our Sun? We know it is a star. Yet what else do we know? Join us this Friday to learn about all the modern methods we use to record and study solar activity and then predict solar storms. And talk to members of AAI who are always willing to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …
Aperture photometry is an astronomical technique used to measure the brightness of a celestial object. But how does it work? How is it done? Why is it an important part of research? Find out this Friday at Sperry Observatory. And talk to members of AAI who are always willing to share their knowledge of astronomy.
And learn about Amateur Astronomers, Inc. the Astronomy club that makes its home at Sperry Observatory located on the campus of Union College in Cranford, NJ and how you can …