The constellation Cygnus is positioned directly overhead at 9 p.m. this week. Cygnus is the swan. There are various swans in Greek mythology. In one story, Cygnus represents Zeus who appears on Earth in the form of a swan. He seduces a Spartan queen who gives birth to the Gemini twins and the famous Helen of Troy.
Go outside around 9 p.m., face due south and then look straight up. Within the constellation there is a shape known as the Northern Cross that can help you find it. At the top of the cross is the bright star Deneb. It is the third star in the Summer Triangle.