This is my favourite edge on galaxy, NGC4565 the Needle Galaxy or the flying saucer galaxy as I like to think of it. The smaller galaxy to the lower right of the mother ship is NGC4562.
Skywatcher 300PDS 12" F5 Newtonian, ZWO ASI 183mm Pro at -10C, 664x30 seconds unguided, LRGB with Svbony LRGB filters, modified NEQ6 Pro. Taken with short 30 sec subs over 3 nights through cloud gaps and wind. Lum Bin2, RGB Bin4.
Full res at Astrobin --->
https://astrob.in/o7zn2h/0/