Mu Cephei

Mu Cephei, also known as Herschel's Garnet Star, is one of the largest and most luminous stars known. It is a red supergiant with a deep crimson color.

Stellar Data

Notable Facts

• Mu Cephei is one of the largest stars visible to the naked eye
• William Herschel called it the Garnet Star due to its deep red color
• If placed at the Sun's position its surface would extend beyond Saturn's orbit