M92 is an example of a globular star cluster. This cluster is a collection of tens of thousands of stars clumped together forming a globe of pinpoints of light. There are dozens of these clusters that can be viewed in … Continue reading →

Alberio, a blue and yellow star.  The double star Alberio marks the head of Cygnus, the Swan. It is high in the sky after midnight. You will need a telescope to see the two stars side by side, they are … Continue reading →