Astronomy students at Williams College will host free planetarium shows for the public at the Milham Planetarium, located inside the Old Hopkins Observatory at Williams College.

Shows are scheduled at 8 p.m. on the following Tuesdays and Thursdays: June 17, 19, 24, 26, July 1, 3, 8, 10, 15, 17, 22, 24, 29, 31, and Aug. 5, 7, 12 and 14.

Audiences will be treated to shows from the high-precision Zeiss Skymaster ZKP3/B opto-mechanical planetarium projector.

Reservations are recommended by calling Michele Rech at (413) 597-2188 or Others will be admitted as space permits. Large groups should call for special appointments.

The Hopkins Observatory is on a small hill on the north side of Main Street east of Spring Street and just east of Lawrence Hall Drive.