Star Trail Over Mount Etna

A photo composite of multiple exposures. From the photographer: “Star trails above erupting volcano, mount Etna, sicily, Italy captured from Naxos bay. Click on the second photo to see another shot of the same view with no trail.”

Technical details: Canon EOS RA mirrorless camera, Sigma DG 35 mm. lens f/1,4 @ f/4,5, 498 5-second exposures @ ISO 1600

Second photo: Sigma DG 50 mm. Lens f/1,4 @ f/4,5 , 4 sec single-exposure @ ISO 1600