Meetings are held the 1st and 3rd Friday of every month (including during school vacations) in room E260 at the Haverhill campus of Northern Essex Community College.
Directions to the campus can be found here.
Go in the main entrance of NECC and follow the road until you reach the Library parking lot. As a visitor you may park there for free and no permit is needed. Cross the street and you will see the Science building (marked “E” on the map linked above) next to the library.
Enter the Science building through the ground floor doors and halfway down the hall you will find room E260.