Object name: NGC 4490
Popular Name: Cocoon Galaxy
Object type: Galaxy
Magnitude: 9.5
Size: 6.4'x3.2'
Position Angle: 125º
Constellation: Canes Venatici

Atik 16IC-S, 7x300s frames. Astronomik CLS filter. Stacked and processed in Nebulosity.

Note the star just to the left of the nucleus of the larger galaxy is SN2008ax (a supernova) discovered in March 2008. The smaller galaxy interacting with NGC 4490 is NGC 4485.