The extent of M31's halo is mind-boggling! There's a strong possibility that it and our own galaxy's halo may interact -- although the two galaxies are two million light years apart.
I use the unaided-eye visibility of M31 to gauge if the "seeing" is really good.
Two million light years! And that's our closest neighbor galaxy... Facts like that make this...
...absolutely incomprehensible!
I praise our Creator -- that He allowed me to live in a time to see His wonders that the Hubble Telescope has revealed!
TXnMA
#5. That part of space is so crowded I wonder where you can part your rocket ship. However, the view is spectacular.
“This”, as you label the image, is taken from one patch (about the size of a quarter held up to the sky) of the night sky deemed to be apparently without stars. After several days of exposure, the image was processed to produce the image. There are, by count, about 52 million galaxies in that image ...