Examples of Ultraviolet Photographs
Mimulus flower photographed in visible light (left) and ultraviolet light (right). Bees can see ultraviolet light which helps guide them to the nectar.
Legionella colonies growing on an agar plate, illuminated with ultraviolet light to increase contrast.
Saturn's "A Ring", photographed by the Cassini Orbiter using an Ultraviolet Imaging Spectrograph.
Ulrtaviolet photography is often used in astronomy, as it provides additional information about an object not seen in visible light. Astronomers use other wavelengths as well, including infrared, X-ray, etc.