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Last updated on April 16, 2014 at 7:58 EDT
Ralph Instrument
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Ralph Instrument

March 13, 2007
Image above of the Ralph instrument. The instrument has two separate channels: the Multispectral Visible Imaging Camera (MVIC) and the Linear Etalon Imaging Spectral Array (LEISA). A single telescope with a 3-inch (6-centimeter) aperture collects and focuses the light used in both channels.