[click on image to see a larger one]
All diptychs are presented VIS left, Jupiter-U right:
Gazania xx:

Rhododendron xx:

Pulsatilla vulgaris:

Taraxacum officinale:

That new filter renders quite differently; nicely golden actually.
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