How to acquire ultraviolet induced fluorescence (UVIF) photos.

How to acquire ultraviolet induced fluorescence (UVIF) photos.

Side-by-side photos show natural light (left) and UV illumination at 365 gauge (right). Sphalerite (Hot Springs, North Carolina, USA) Ultraviolet induced fluorescence (UVIF) occurs when molecules in an object are excited (energized) by high energy ultraviolet wavelengths (from our UV flashlight) and as a result emit longer wavelengths in the visible portion of the spectrum … Read more

The best photos of the astronomical photographer of the year 2023

Astronomy Photographer of the Year 2023

The Royal Observatory Greenwich has unveiled the shortlisted photos for its 15th Astronomy Photographer of the Year competition. The stunning images celebrate the night sky and have been captured by photographers from around the world. This year’s competition, supported by Liberty Specialty Markets and in association with BBC Sky at Night magazine, received over 4,000 … Read more