• Catalog: NGC891
• Date: 2023-11-04
• Center: RA 35.6542°, Dec 42.3507°
• FOV: 0.6333°
• Rotation: -87.52° (PA of +Y axis)

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.