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University of Texas at Austin; McDonald Observatory (McDonald Observatory, 2006)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, 2008)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, undated)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, undated)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, 2011)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, 2011)

University of Texas at Austin; McDonald Observatory (1989)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, undated)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, 2011)

University of Texas at Austin; McDonald Observatory (McDonald Observatory, undated)