[click on image to see a larger one]
All triptychs are presented VIS left, Baader-U middle, Jupiter-U right:
Dianthus plumarius ("Carnation"):

another Dianthus type:

Overview, again different ones:

The Jupiter-U filter reveals quite a bit more details than the longer wave Baader-U filter obviously.
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