In 2005, due to its attractiveness and scientific interest, NGC 891 was selected to be the first light image of the Large Binocular Telescope.

Scientists presume that supernova explosions caused this interstellar dust to be thrown out of the galactic disk toward the halo.

[14] Its outskirts are populated by multiple low-surface brightness, coherent, and vast substructures, like giant streams that loop around the parent galaxy up to distances of approximately 50 kpc.

[17][18][19][20] The soundtrack of the 1974 film Dark Star by John Carpenter features a muzak-style instrumental piece called "When Twilight Falls on NGC 891".

Side 2 of the album, which included this track, was unusual in having been a rare example of a commercially issued piece of music recorded using the artificial head system.