I agree on checking until you get a feel for it. That frame is fine to harvest. Most of it is capped and they are in the process of capping the rest. I say that, but that would be in my climate and most climates maybe. A humid climate may actually have capped honey that’s too wet to harvest… still feedback is how you learn. If you look at the ends make your judgement and then pull the frame and look to get the feedback, you’ll get a better and better feel for what it means for the capping of the cells when you see something particular on the ends or on the side.