Hi Brent, it does look a bit like coma to me. Seems quite similar to what I got in my images before I used a coma corrector:
http://www.pbase.com/rolfolsen/image/142166015
You can see in my case the coma was worse towards the lower left corner. That was because collimation was not spot on at that stage. When collimation is perfect the point of least distortion will lie in the centre of the frame and the stars will appear to have small comet like tails that all radiate out from the centre.
Once you get your collimation sorted you will likely find that you still see some coma, but a coma corrector is an easy fix for that. I use the Baader MPCC.
cheers,
Rolf