Region of central Cassiopeia containing a rich assortment of deep-sky objects. These include the so-called Ghosts of Cassiopeia ( IC 59 and IC 63) nebulas at top, the Owl Cluster, or the ET Cluster (NGC 457), at bottom, and the Pacman nebula ( NGC 281) at right. The Ghosts of Cassiopeia are reflection and emission nebula. Both are reflecting the light of Gamma Cassiopeiae, or Navi. the owl cluster is NGC 436. The Pacman nebula is an emission nebula, seen here below the stars Eta (Achird) and Alpha (Schedar) Cassiopeiae. The blue star at far left is Delta Cassiopeiae, or Ruchbah. It along with Gamma and Alpha form the middle three stars of the W of Cassiopeia.