Search by date range
Please select a month and year from the calendars, or type in your own dates in the format mm/dd/yyyy.
Archives are searchable from August 1, 2013 to present. For archives from 2001 through July 2013, click here.
Please select a month and year from the calendars, or type in your own dates in the format mm/dd/yyyy.
Archives are searchable from August 1, 2013 to present. For archives from 2001 through July 2013, click here.
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
