sergiy.vakulenko
NGC457 Owl cluster
NGC 457 (also known as the Owl Cluster, the ET Cluster, or Caldwell 13) is an open star cluster in the constellation Cassiopeia. It lies over 7,900 light years away from the Sun. It has estimated age of 21 million years. The cluster is sometimes referred by amateur astronomers as the Owl Cluster. Two bright stars, magnitude 5 Phi-1 Cassiopeiae and magnitude 7 Phi-2 Cassiopeiae can be imagined as eyes. The cluster features a rich field of about 150 stars of magnitudes 12-15.
(c) Wikipedia
Own remote observatory. AZ-EQ6 mount, ED80 (520mm at 1/6.5), Atik383L+. Guide - OAG with QHY5 camera.
Baader L: 50 x 180s;
Baader R: 20 x 180s;
Baader G: 20 x 180s;
Baader B: 35 x 180s;
Total exposure - 6 hr.
Captured in SGP, processed in FitStacker, Pixinsight.
NGC457 Owl cluster
NGC 457 (also known as the Owl Cluster, the ET Cluster, or Caldwell 13) is an open star cluster in the constellation Cassiopeia. It lies over 7,900 light years away from the Sun. It has estimated age of 21 million years. The cluster is sometimes referred by amateur astronomers as the Owl Cluster. Two bright stars, magnitude 5 Phi-1 Cassiopeiae and magnitude 7 Phi-2 Cassiopeiae can be imagined as eyes. The cluster features a rich field of about 150 stars of magnitudes 12-15.
(c) Wikipedia
Own remote observatory. AZ-EQ6 mount, ED80 (520mm at 1/6.5), Atik383L+. Guide - OAG with QHY5 camera.
Baader L: 50 x 180s;
Baader R: 20 x 180s;
Baader G: 20 x 180s;
Baader B: 35 x 180s;
Total exposure - 6 hr.
Captured in SGP, processed in FitStacker, Pixinsight.