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William M. Brish Planetarium

The William M. Brish Planetarium is under the jurisdiction of Washington County, Maryland, Public Schools.

Apollo Spacecraft

The William Brish Planetarium is featured at with Skylights, a regular series of podcasts featuring a monthly sky tour, and previews of planetarium programs and special events, along with Tristate Astronomer highlights. and Skylights are made possible by Antietam Cable Television, the Herald Mail Newspaper and the Washington County Public Schools Public Information Office.

You can now learn more about the William Brish Planetarium at the new Planetarium Weebly site.

The Planetarium is in continuous use serving students from pre-school through senior citizen. Under the direction of Chris Kopko (, all programs are presented live with active student participation.

Chris Kopko

2014-2015 Public Programs

Thank you for your support of the Washington County Planetarium. A series of public programs is presented during the school year. A program lineup for the 2014-2015 school year, presented on the first and fourth Tuesday each month, will be posted here at a later date.

Programs are presented the first and fourth Tuesday each month at 5:30 and 7 p.m. if schools are in session that day, unless otherwise noted above. Professional days count too, but not holidays or inclement weather days.

Adults: $3
Children & Students: $2 (Family: $10 maximum)
Senior Citizens w/WCPS Gold Card: Free

The phone number is 301-766-2898

Tristate Astronomers

Adults interested in astronomy may also participate in the TRISTATE ASTRONOMERS. Tristate Astronomers' meetings are held the third Wednesday of each month (September through May) at 7:30 p.m. at the planetarium. Star parties are scheduled monthly.

Click here to contact the club president