This is NGC4565, aka the "Needle Galaxy", located in the constellation Coma Berenices, approx 40 million light years away. We see it edge-on from our POV, even tho its a spiral galaxy, likely very similar to the Milky Way in size and structure.
#astrophotography
ALT Taken with EdgeHD8 telescope, ZWO533MM camera, LRGB filters, approx 12hrs integration time