“Four Centuries in a Weekend” history event!

Sperry Observatory will be open on October 16 & 17 from 12-5 pm, for the “Four Centuries in a Weekend” history event! Come spend the weekend at Sperry Observatory during …

AAI 2020 – 2021 Speaker Series

AAI members continue to meet online via Zoom. Download our 2020 – 2021 brochure.

Research Report Nov 2019



Due to the outbreak of COVID-19, The Fridays @ Sperry Public Nights hosted at William Sperry Observatory will be closed until further notice. Be well everyone, and Clear Skies.

Classic Telescope Night @ Sperry Observatory October 12th 2019!

Come celebrate the 50th anniversary of the Apollo 11 moon landing with AAI!

We are having a special event on Friday, July 19 at Sperry Observatory celebrating the 50th anniversary of the first Moon landing and walk. One Small Step – The voyage …

Learn about AAI directly from our members!

AAI members share the history of the observatory and benefits of joining the club. Click the link below to view the video. CranfordTV35 – AAI2019.mp4

Astronomy Day 2019

On Saturday, April 13, 2019 Join us for a full day of Astronomy.Celebrating One Giant Leap – The 50th Anniversary of the First Moon Landing1:00pm-4:00pm @ Trailside Nature and Science …