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82-inch Telescope Guided Tour

Travel back in time to see the first telescope built at McDonald Observatory: the 82-inch Otto Struve.

General Admission

Entry to the Visitors Center exhibit gallery, gift shop, outdoor telescope park, and a self-guided tour of both summits. A map is provided with your ticket.

Guided Tour

Visit two of the largest research telescopes at McDonald Observatory: the 107-inch Harlan J. Smith and the 10-meter Hobby-Eberly.

Solar Viewing

See live views of our Sun captured by an onsite telescope and projected in the Frank N. Bash Visitors Center theater.

Your presenter will describe the various types of solar activity you see.

Star Party

Enjoy a night sky constellation tour and views of celestial objects through several telescopes.

36-inch Special Viewing Night

Warning: Viewing astronomical objects through even a small telescope can be stunning, but with a research grade 36-inch you may never be satisfied with a small telescope again!

Our 36-inch research telescope i...

82-inch Special Viewing Night

Massive optics. Dark skies. Small groups. The universe. What else could you ask for?

The historic 82-inch Otto Struve is one of the largest telescopes in the world routinely made available for public viewing.