Incest Survivors Support Group
Incest refers to any sexual activity between closely related persons that is illegal or socially taboo. Consensual adult incest is very rare. Incest between adults and prepubescent or adolescent children is a form of child sexual abuse that has been shown to be one of the most extreme forms of childhood trauma. If you or a loved one is a survivor of incest, join the group...

It's good that you are not alone in knowing what has happened between you and your father, giving you a support system for dealing with the aftermath and with keeping yourself safe in the future.
writing out what you feel and are going through here is a good tool when trying to heal...
triple hugs of support