>>48019810I'm not saying you have to memorise them all. I'm saying that if you don't know, a few trial-and-error practice balls aren't going to lose it for you, and then you'll know for the rest of the event too.
>>480198761) You hold the ball until the reticule shrinks to the size you want, then stop holding it.
2) Wait until the Pokemon starts its attack animation.
3) You throw a curveball and time it to hit at the end of the animation.
It's easier than waiting for the right size and attack animation to coincide, but it won't help you aim any better.