You are off to a good start with good practices! No, the glove wasn't necessary, I usually just wash my hands and dry them, then go about my candling. I look forward to pics of your chicks! Just a little tid bit, day 9/10 are my favorite days to candle because usually you can see the embryo...
https://www.backyardchickens.com/articles/candling-pics-progression-through-incubation-of-chicken-eggs.47879/
I hope this gives you a better idea of what you're looking for. Happy hatching!