The ET Cluster. (also known as the Owl Cluster, the ET Cluster, or Caldwell 13) is an open star cluster in the constellation Cassiopeia. Was known as the Owl Cluster until 20 years ago when it was renamed the ET Cluster. (due to its resemblance to the movie character) The cluster features a rich field of about 150 stars of magnitudes 12-15. It lies over 7,900 light years away from the Sun. It has an estimated age of 21 million years.
This is 4.5 Hours Imageing using Red,Green, Blue Filters. Stacked in Deep Sky Stacker, then Processed in Photoshop. ED80 Scope, Atik 460ex EQ6Pro Mount.