[click on image to see a larger one]
Visible light image:
UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
Simulated bee vision image using experimental XBV filter:
Triptych of the above images:
This attractive winter flower shows its very specific UV pattern. Its center is UV dark, but its petals are strong UV reflective around 365nm, ie. UV bright, both invisible to us humans and all that gets nicely visible.
Stay tuned, more will follow on that fascinating subject...