A low-light photograph of the prototype glowing horns. Here I've turned off room lights and shielded the horns from the window with a bit of cardboard.

Here you can see the unusual way the glow powder has settled out in the longer horns, giving the double-marking. Unexpected, but interesting.

Daylight 3/4 shot here: http://www.furaffinity.net/view/4733766
Profile shot here: http://www.furaffinity.net/view/4733791/ (scraps)