NGC 891

 NGC 891 (also known as Caldwell 23, the Silver Sliver Galaxy, and the Outer Limits Galaxy) is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda.

Planewave CDK17 F4.5, ZWO ASI2600MC Duo, Paramount MEII mount with absolute encoders. Unguided 3 hour image At Desert Astro Observatory in Sierra Vista Dark skies. 12/29/24