The Cyanometer

f/4   24mm   0.005s   ISO 100   NIKON Z 5 + Nikkor Z 24-70mm f/4 S  
      Seb - January 5, 2023

The Cyanometer, an artwork by Martin Briceli Baraga which is also an actual cyanometer measuring the sky’s blueness. This machine is powered by a Raspberry Pi using an open-source software that collects images of the sky.