If comet ISON becomes bright enough to see with the naked eye and I’m able to see it, then that will be the third (naked eye) comet that I have seen in my life time.
Hmm, I did wear glasses the second time that I saw a comet, does that qualify as a “naked eye” comet?
Comet ISON.
http://science.nasa.gov/science-news/science-at-nasa/2013/24apr_hubbleison/