This high resolution (till now) image of sun showing a spot was captured by the U.S National Science Foundation's Daniel K. Ynouye Solar Telescope. According to Dr. Thomas Rimmele, Associate Director at National Solar Observatory " The sunspot image achieves a spatial resolution about 2.5 times higher than ever previously achieved, showing magnetic structures as small as 20 kilometres on the surface of the sun". High Resolution image of sun revealing detailed sunspot. (Image Credit: NSO/AURA/NSF.) High Resolution image of sunspot. (Image credit: NSO/AURA/NSF.) The sunspot is spread across 10000 miles was taken on 28 January,2020. The spot is just a tiny fraction of the sun yet a planet like earth would fit perfectly. For more detail: Click here
"The Solar Orbiter",which was launched on 10 February,2020 by European Space Agency and NASA took the closest ever image of sun. The most detailed images of sun ever. Image of sun from "Solar Orbiter spacecraft". (Image courtesy: ESA and NASA) These images reveals a unique phenomena of sun called "Campfires"."Campfires" are actually tiny solar flares. The image of campfire was taken by an Extreme Ultraviolet Imager (EUI) of Solar Orbiter. The space craft was nearly at the middle of sun and earth (77 million km from sun) . Campfires (Shown by arrow). Image Courtesy: ESA and NASA For more details: Click Here