Delta Cassiopeiae

Cassiopeia’s W

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December 22, 2021November 18, 2025

w constellation,w of cassiopeia,cassiopeia's chair

The constellation Cassiopeia has long been known by its popular nickname, the W constellation. Its five brightest stars form the distinctive shape of a W… Read More »Cassiopeia’s W

Double Cluster

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April 2, 2016March 21, 2022

The Double Cluster, or Caldwell 14, is the name for two open clusters – NGC 869 and NGC 884 – located close together in Perseus… Read More »Double Cluster