“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