Doc makes a very good point in saying that this is something that will take a few trips to the range to cure. Also I'm more than certain that this has been said, but just in case:relax, don't anticipate, squeeze the trigger, don't yank it. May sound dumb, but ensure that you are firing with your dominant eye. Ensure that your grip on the weapon isn't too tight, and try a higher grip on it too.
Smile and wait for flash ︻┳═一 :)