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The Apollo spacecraft used a sextant for navigation between the Earth and Moon. Operation of the sextant involved sighting through a telescope; this filter was placed over one of the sextant's two scopes.

This object was flown on Apollo 9, and was transferred by NASA to the Smithsonian in 1975.

 Display Status

This object is on display in Human Spaceflight at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Human Spaceflight
Object Details
Country of Origin United States of America Type INSTRUMENTS-Navigational Dimensions 3-D: 1.9 x 8.9cm (3/4 x 3 1/2 in.)
 Materials Aluminum, Glass
 Inventory Number A19770208000 Credit Line Transferred from the National Aeronautics and Space Administration Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.