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Mendel Observatory

Mendel Observatory

Used by students, faculty, the North Shore Amateur Astronomy Club and the general public, the Mendel Observatory is home to a 20-inch Ritchey-Chretien reflector and a number of electronic imaging systems.

» Wed, May 16: It is unlikely the observatory will open tonight due to the weather.

» Thursday, May 17: We will resume our Merrimack Nights at the observatory starting in the Fall semester.

About Us

Location: Fourth floor, Mendel Science Center at Merrimack College
General Public Access: Wednesdays 8 p.m.
Merrimack Community Access: Thursdays at 8 p.m.
Weather line: 978-837-5486

Wednesdays: Public Stargazing

With the support of volunteers from the North Shore Amateur Astronomy Club, the observatory hosts public stargazing every Wednesday night, weather permitting, starting at dusk or 7 p.m. -whichever is later. Lately it has been getting dark around 8:15pm. Check the North Shore website for additional details:

When special astronomical events of interest occur, such as a total lunar eclipse, the observatory often holds special viewing times.

Thursdays: Merrimack Community Stargazing

On April 5 we officially launched our student-led Star Party at the Observatory. The event takes place every Thursday at 8 p.m., weather permitting. Come and join us as we observe planets, double stars, the moon and deep space objects, such as galaxies and nebulas. The entire Merrimack community - students, faculty and staff - are welcome.  

Weather Forecast, Andover, Massachusetts


Observatory Director

Kelsey Hargrove, PhD.
Physics Laboratory Manager and Professor, Physics

View Pass’ astronomy page, which includes numerous astronomical photos, including some taken at the Mendel Observatory.