Hey Dave, Nice work, that is a good shape...don't give up!
I've managed to save a few that I was disappointed with, but often only after backing away for a while
One thing that has helped me is to always use the tailstock to keep thinngs lined up whenever I remount.
Also, I like to give 'em a quick test spin on the lathe before each new cutting. If everything is lined up and they spin true, cut away! but if I detect any wobble, I try to remount again...not perfect, but usually helps.
Sometimes I'll bore pilot hole all the way through right at the beginning and try to use this to help keep things lined up.
Cheers!