If your eyes were good enough...
This is what you would see from your back yard.
Astronauts in space usually have their vision washed out by the brightness of the sun, the Earth, the lunar surface, tinted visors, or other things. If someone could look out through a clear window from a dark module into the deep night, they could never see what a 40-hour exposure could see, but could the human eye eventually catch even a vague glimpse of things like this?