NASA's Mars rover Curiosity acquired this image using its Mars Hand Lens Imager (MAHLI), located on the turret at the end of the rover's robotic arm, on November 3, 2020, Sol 2931 of the Mars Science Laboratory Mission, at 15:21:13 UTC.
source https://phys.org/news/2020-11-sol-mars-lens-imager-instrument.html