So what if I am cruising at FL390 in my shiny 767 with a clear, blue sky BUT autopilot engaged. I am PF and monitoring the instruments etc, can I log this as IMC ? I am flying solely by reference to my instruments no matter how beautiful the view is outside. Sure, I may elect to conduct a visual approach that is another story.
I suggest logging according to your understanding/interpretation of the rules, and be prepared to defend your reasoning when asked.