Series by phenomenon, place, and subject.

Solar wind interacting with the atmosphere at high magnetic latitudes. From lutruwita, visible more often than most people believe — if you are willing to drive 750km for clear skies.

Photographs of animals that absorb short-wavelength light and re-emit at longer wavelengths — the hidden colour beneath the apparent one. The work began with coral under ultraviolet and has grown, slowly and by…