The astonishing Mirabilis jalapa in various wavebands, broadband UV using Baader U filter (320-390nm) and a special 300-350nm filter. Shots from last autumn.
UV: Baader U2
The shorter the UV waveband used gets, the more details the flower reveals.
Stay tuned, more will follow on that fascinating subject...
More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos