07-01-2025, 08:20 AM
This post was last modified: 07-01-2025, 08:38 AM by quintessentone.
Let's boldly go where no man has gone before with impressive pioneering efforts to help humanity understand our sun's forces and nature. Enjoy.
"The Daniel K. Inouye Solar Telescope, the world’s most powerful solar telescope, captured its first images last week using its new Visible Tunable Filter (VTF) instrument. The groundbreaking photo shows a cluster of sunspots, each roughly the same size or larger than the contiguous United States.
Built by the Institut für Sonnephysik (KIS) in Germany, the VTF is the world’s largest imaging spectro-polarimeter. The camera captures two-dimensional “snapshots” of the Sun at specific wavelengths, the NSF NSO explains in a press release.
“Different wavelengths of light appear to our eyes as different colors — and light increases in wavelength as it moves from violet to red in the optical range of the electromagnetic spectrum,” the NSF NSO writes.
“Unlike traditional spectrographs that spread light into a full spectrum like a rainbow, the VTF uses an etalon — a pair of precisely spaced glass plates separated by tens of microns — that allows it to tune through colors.”
Space weather, driven by the Sun, is significant and, broadly speaking, relatively misunderstood due to a lack of rich data. The Inouye Solar Telescope is poised to change that and provide the detailed measurements required to make accurate space weather predictions.
“The pioneering image spectro-polarimeter VTF is an example of the necessary technological leaps needed to increase our ability to produce reliable space weather predictions,” the NSO concludes."
World's Largest Solar Telescope's First Photos Show Sunspots Bigger Than US | PetaPixel
"The Daniel K. Inouye Solar Telescope, the world’s most powerful solar telescope, captured its first images last week using its new Visible Tunable Filter (VTF) instrument. The groundbreaking photo shows a cluster of sunspots, each roughly the same size or larger than the contiguous United States.
Built by the Institut für Sonnephysik (KIS) in Germany, the VTF is the world’s largest imaging spectro-polarimeter. The camera captures two-dimensional “snapshots” of the Sun at specific wavelengths, the NSF NSO explains in a press release.
“Different wavelengths of light appear to our eyes as different colors — and light increases in wavelength as it moves from violet to red in the optical range of the electromagnetic spectrum,” the NSF NSO writes.
“Unlike traditional spectrographs that spread light into a full spectrum like a rainbow, the VTF uses an etalon — a pair of precisely spaced glass plates separated by tens of microns — that allows it to tune through colors.”
Space weather, driven by the Sun, is significant and, broadly speaking, relatively misunderstood due to a lack of rich data. The Inouye Solar Telescope is poised to change that and provide the detailed measurements required to make accurate space weather predictions.
“The pioneering image spectro-polarimeter VTF is an example of the necessary technological leaps needed to increase our ability to produce reliable space weather predictions,” the NSO concludes."
World's Largest Solar Telescope's First Photos Show Sunspots Bigger Than US | PetaPixel
"The only journey is the one within."
