page_title: Far Ultraviolet Camera/Spectrograph
section_title: Second telescope
hierarchical_section_title: Far Ultraviolet Camera/Spectrograph / Second telescope
caption_attribution_description: English: Comet Kohoutek photographed with the far-ultraviolet electrographic camera during a Skylab spacewalk on December 25, 1973. It is shown here in a false-color reproduction of a black and white photograph.
context_page_description: The Far Ultraviolet Camera/Spectrograph was one of the experiments deployed on the lunar surface by the Apollo 16 astronauts. It consisted of a telescope and camera that obtained astronomical images and spectra in the far ultraviolet region of the electromagnetic spectrum.
context_section_description: A second spare telescope was slightly modified and later flown on Skylab 4.  It was given an aluminum (Al) and magnesium fluoride (MgF₂) mirror rather than rhenium.  It was mounted on Skylab's Apollo Telescope Mount for usage in orbit. Among the many images and spectra that it took, it was used to study ultraviolet emission from Comet Kohoutek.
caption: False color image of Comet Kohoutek photographed with the far-ultraviolet electrographic camera during a Skylab spacewalk on December 25, 1973.
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