[click on image to see a larger one]
Visible light image:
UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
UV image using Jupiter-U filter (approx. 280-385nm, effective peak approx. 365nm):
UV image using Saturn-U filter (approx. 300-350nm, effective peak approx. 325nm):
Simulated butterfly vision (UV - VIS) using XBV3 filter:
Simulated bee vision (UV - VIS) using XBV4 filter:
Simulated bee vision (UV - VIS) using XBV6 filter:
Triptych of the above (with bee/butterfly vision):
Triptych of the above (with deep UV):
Sanvitalia has a strong UV pattern, its petal tips are UV bright around 365nm and its center is quite UV dark, and all this gets nicely visible.
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