The U.S. National Science Foundation Daniel K. Inouye Solar Telescope marked a milestone with its Visible Tunable Filter (VTF) achieving first light, producing its first image of the Sun. As the world's largest spectro-polarimeter, VTF will provide unprecedented views of the Sun's magnetic fields.Largest Imaging Spectro-Polarimeter Achieves First Light at the NSF Daniel K. Inouye Solar Telescope
April 25, 2025
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The U.S. National Science Foundation Daniel K. Inouye Solar Telescope marked a milestone with its Visible Tunable Filter (VTF) achieving first light, producing its first image of the Sun. As the world's largest spectro-polarimeter, VTF will provide unprecedented views of the Sun's magnetic fields.
