urn:nasa:pds:context:facility:observatory.mcdonald 1.3 1.22.0.0 Product_Context 2026-07-07 1.3 Removed duplicate Internal_Reference entries from Reference_List. 2025-01-07 1.2 Updated schema version. 2021-12-07 1.1 Added lid_ref to telescopes 0m91, harlanjsmith, struve 2016-04-04 1.0 Initial urn:nasa:pds:context:telescope:mcdonald.struve2m1 facility_to_telescope urn:nasa:pds:context:telescope:mcdonald.harlanjsmith_2m7 facility_to_telescope urn:nasa:pds:context:telescope:mcdonald.0m91 facility_to_telescope urn:nasa:pds:context:instrument:mcdonald.struve2m1.molp facility_to_instrument urn:nasa:pds:context:instrument:mcdonald.struve2m1.cs facility_to_instrument urn:nasa:pds:context:instrument:mcdonald.harlanjsmith_2m7.lcs facility_to_instrument urn:nasa:pds:context:instrument:mcdonald.harlanjsmith_2m7.p45a_phot facility_to_instrument urn:nasa:pds:context:investigation:observing_campaign.earth-based-uranus-stellar-occultations facility_to_investigation McDonald Observatory Observatory

University of Texas, P.O. Box 1337, Fort Davis, Texas

USA McDonald Observatory, located in Texas, is known for its high-powered telescopes, including the Hobby-Eberly Telescope, and its research into star formation, galaxies, and exoplanet discoveries.