About the John J. McCarthy Observatory

The John J. McCarthy Observatory is a world-class astronomical observatory (International Astronomical Union code 932)
located on the campus of the New Milford High School, on Route 7 in New Milford Connecticut.

It is a state-of-the-art educational and research facility. It is  open to all: students, community groups, the general public, educators, and researchers with no charge for its use. The facility is equipped with complete accessibility for the disabled, including a lift for wheelchair users, voice activated telescope control software, and a flexible eyepiece extender.

To learn more about McCarthy Observatory, click on one of the categories below.


The Telescopes
About McCarthy Observatory’s collection of telescopes and mounts.

Imaging Equipment
About the array of cameras, filters, and image processing tools available to users of the McCarthy Observatory

Technology at the Observatory
Cameras, computers, and other technology in use at JJMO

About the Facility
Information about the building, the grounds, and infrastructure.

Collection of Space Artifacts
Interesting space related objects acquired by JJMO.

Galileo’s Garden
On site garden featuring numerous types of flowers and plants.

1000 Suns for New Milford
Sunflower garden for New Milford’s elementary schools.

About our Volunteers
JJMO is an entirely volunteer run organization.  Meet some of them, or learn how to volunteer.

Donald Besaw Lending Library
The observatory has a wealth of astronomy and science related books, free to lend.

Evolution of the observatory
How the observatory has developed over the years, from construction to current projects.

 Corporate Structure
Information about John J. McCarthy Observatory’s non-profit organization.