The Institut für Sonnenphysik (KIS) located in Freiburg, Germany, has installed a high-precision measuring instrument for the world's largest solar telescope, the U.S. National Science Foundation (NSF) Daniel K.

After five years in deep space, Solar Orbiter has again amazed scientists with an unprecedented high-resolution image of the Sun’s fiery corona. This stunning ultraviolet-light view, captured on 9 March 2025, reveals a chaotic interplay of million-degree plasma and magnetic fields.

In a nutshell The Daniel K. Inouye Solar Telescope’s new Visible Tunable Filter (VTF) instrument has achieved “first light,” capturing detailed images of sunspots at an unprecedented 10km resolution.