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 join. And, weather permitting, we will do observing through our 2 large telescopes, a 24 inch reflector and a 10 inch refractor.

Amateur Astronomers, Inc. (also known as AAI), is 76 years young and still going strong!

Friday, October 16, the meeting begins at 8:00 pm in the Roy Smith Theatre followed by a guest speaker.  Sperry Observatory will open after 10:00 pm for observing.  See below for details.

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All visitors must register to enter the Sperry Observatory. Admission and programs are free of charge.

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