I tried using a glow-in-the-dark ball, but it takes constant recharging with a flashlight to have an effect, and it doesn't glow as brightly. Also, as you see from the second photo, my super high IQ pup stood there looking at me, waiting for me to throw the red blinking ball while the green glow ball sat forlorn in the field.
I finished off with some self portraits using a small flashlight wrapped in a white cloth to diffuse the light. This would work better in the spring or fall when the temperatures are more moderate. Winter, its awfully cold on man and machine, and in the summer, you get eaten alive by the mosquitoes.
Anyways, I'll try and refine my technique to do some better paint by light artwork.
Over and out,