It is named after late businessman and mineral collector F. John Barlow.
The planetarium has a 102-person seating capacity (98 regular chairs, 4 wheelchair positions).
[1] Each seat is equipped with an interactive control panel on its armrest that allows the audience to vote during programs.
The Barlow has panorama slide projectors and an all-sky system (an all-sky image is a series of six pie-shaped images that are aligned to make a picture fill the dome).
Video images can be projected onto the dome from DVD, laser disk, computer, or SVHS tapes.