Financial Transparency

Blue Hill Observatory & Science Center Inc. · EIN 22-2517414

As a 501(c)(3) nonprofit, we are committed to financial transparency. Our annual Form 990 filings are publicly available below.

Form 990 Filings by Year

How We Serve the Community

Learn more about the Observatory's observations through graphics, text summaries and data.

BHO sponsors conferences, events and special activities to engage the community about science.

BHO provides many science programs for educators, students and the general public.

Visit the Observatory on Great Blue Hill to learn about climate and weather or tour our historic facility.

Members receive receive free tours, gift shop discounts, program admission, and help support our important mission.

1 Observatory Service Road, Milton, MA 02186

Thank you to
our sponsors