A red tide in Monterey, California, showing its characteristic bioluminescent glow. Microscopic dinoflagellates (phytoplankton) called Lingulodinium polyedra emit a blue glow when disturbed (e.g., from ocean waves on the beach). August 14, 2020.
Shot with Sony a7r IV, 7 exposures, stitched into a panorama. 5 sec at f/2.0, ISO 3200, Zeiss Batis 25mm lens).