Barnard 3/4 is a dark nebula in the constellation Perseus, part of the Perseus Molecular Cloud, about 800 light-years away.

IC 348 is a star-forming region in the constellation Perseus about 1,000 light-years away. It consists of a nebula and a star cluster about 2 million years old. The cluster consists of approximately 400 stars and has an angular diameter of approximately 20 arcseconds.

In the picture, the purple-reddish dark nebula is Barnard 3, the nebula illuminated by blue star clusters in the upper left is IC 348, and Barnard 4 is located below IC 348.