"...heat it to just cherry..." That'd be too hot. Just until the brass changes colour then tip. You tip 'em so you can handle 'em sooner.
Annealing isn't something you do on a schedule. It's only done when you get one cracked case neck. Rarely done, if ever, with pistol cases at all.
Anyway, this is one of the best articles on the net about annealing. Scientific and everything.
http://bisonballistics.com/articles/...rass-annealing