Explore relationships

Cygnus OB2

Cygnus OB2 or VI Cygni (abbreviated to VI Cyg) is an OB association that is home to some of the most massive and most luminous stars known, including suspected Luminous blue variableCyg OB2 #12. It also includes one of the largest known stars, NML Cygni.

Use + to expand a branch. Click a topic name to open its summary.