The term 'Cygnus Bright Star In' refers to four stars in the constellation Cygnus, which is also known as the Swan. These stars are DENEB (5 letters), RIGEL (5 letters), ALTAIR (6 letters), and LYRA (4 letters). DENEB is the brightest star in the constellation and is located at the tail of the swan. RIGEL is the second brightest star and is located at the foot of the swan. ALTAIR is the third brightest star and is located at the wing of the swan. Lastly, LYRA is the fourth brightest star and is located at the neck of the swan.