The nebula known as IC 410 is home to a pair of intriguing structures popularly known as the "tadpoles." These are clumps of gas and dust left over from the formation of the cluster, and are likely forming yet new stars within them.

Westerhout 5 (Sharpless 2-199, LBN 667, Soul Nebula) is emission nebulae in Cassiopeia. Several small open clusters are embedded in the nebula: CR 34, 632, and 634 (in the head) and IC1848 (in the body).