If you look on that star map, draw a line from the star Mirach to the red label +Zenith. About half way along that line and a little above it is a kind of smudge.
That is the Andromeda galaxy. The most distant thing you can see with your naked eye.
“That is the Andromeda galaxy. The most distant thing you can see with your naked eye.”
The most distant thing I can see with the naked eye is the tip of my nose.