JJMO is a volunteer run organization funded by the generosity of our supporters. All proceeds go directly towards the observatory’s mission of furthering science appreciation and literacy in our community and beyond.  The Observatory is a registered 501(c)(3) non-profit charitable organization.  Thank you for your support.

You can give financial support four different ways:


 1. Click on the “Donate” button below; this takes you to a secure PayPal page that accepts Credit/Debit cards and PayPal.



2.  Checks can be mailed to:

The John J. McCarthy Observatory

P.O. Box 1144

New Milford, CT  06776


3.  By Venmo:




4.  By your Amazon Smile account:


           Select John J. McCarthy Observatory as your charity.